[ { "path": ".gitignore", "content": "#Mac\n.DS_Store\n#Vscode\n.vscode/*\n!.vscode/settings.json\n!.vscode/tasks.json\n!.vscode/launch.json\n!.vscode/extensions.json\n#nodejs\nnode_modules\nnpm-debug.log\n# Windows image file caches\nThumbs.db\nehthumbs.db\n# Folder config file\nDesktop.ini\n" }, { "path": "README.md", "content": "# vPlayer\n\n用vuejs写的播放器，API基于网易云, 具体效果请查看Demo！\n\nDemo: http://player.ciyuanai.net\n\n已更新使用网易云新版API，国外ip使用会被屏蔽，请注意！\n\n演示站点环境：Vuejs v2.1.10 + vue-resource v1.0.3 + php7 + nginx\n\n因为api那边用的是网易云新版v2 api，所以推荐使用php5.6以上版本，并开启openssl模块\n" }, { "path": "api/detail.php", "content": "detail($id);\n print_r($detail);\n}" }, { "path": "api/lyric.php", "content": "lyric($id);\n\tprint_r($result);\n}" }, { "path": "api/mp3url.php", "content": "mp3url($song_id);\n print_r($mp3url);\n} else {\n\treturn;\n}" }, { "path": "api/pages.php", "content": "search($s, 30, $p);\n print_r($result);\n} elseif ($p == 0 || empty($p)) {\n $result = $api->search($s, 30);\n print_r($result);\n}" }, { "path": "api/search.php", "content": "search($s, 30);\n print_r($result);\n}\n" }, { "path": "api/v2/BigInteger.php", "content": "> and << cannot be used, nor can the modulo operator %,\n * which only supports integers. Although this fact will slow this library down, the fact that such a high\n * base is being used should more than compensate.\n *\n * When PHP version 6 is officially released, we'll be able to use 64-bit integers. This should, once again,\n * allow bitwise operators, and will increase the maximum possible base to 2**31 (or 2**62 for addition /\n * subtraction).\n *\n * Numbers are stored in {@link http://en.wikipedia.org/wiki/Endianness little endian} format. ie.\n * (new Math_BigInteger(pow(2, 26)))->value = array(0, 1)\n *\n * Useful resources are as follows:\n *\n * - {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf Handbook of Applied Cryptography (HAC)}\n * - {@link http://math.libtomcrypt.com/files/tommath.pdf Multi-Precision Math (MPM)}\n * - Java's BigInteger classes. See /j2se/src/share/classes/java/math in jdk-1_5_0-src-jrl.zip\n *\n * Here's an example of how to use this library:\n * \n * add($b);\n *\n * echo $c->toString(); // outputs 5\n * ?>\n * \n *\n * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n * THE SOFTWARE.\n *\n * @category Math\n * @package Math_BigInteger\n * @author Jim Wigginton \n * @copyright MMVI Jim Wigginton\n * @license http://www.opensource.org/licenses/mit-license.html MIT License\n * @link http://pear.php.net/package/Math_BigInteger\n */\n\n/**#@+\n * Reduction constants\n *\n * @access private\n * @see Math_BigInteger::_reduce()\n */\n/**\n * @see Math_BigInteger::_montgomery()\n * @see Math_BigInteger::_prepMontgomery()\n */\ndefine('MATH_BIGINTEGER_MONTGOMERY', 0);\n/**\n * @see Math_BigInteger::_barrett()\n */\ndefine('MATH_BIGINTEGER_BARRETT', 1);\n/**\n * @see Math_BigInteger::_mod2()\n */\ndefine('MATH_BIGINTEGER_POWEROF2', 2);\n/**\n * @see Math_BigInteger::_remainder()\n */\ndefine('MATH_BIGINTEGER_CLASSIC', 3);\n/**\n * @see Math_BigInteger::__clone()\n */\ndefine('MATH_BIGINTEGER_NONE', 4);\n/**#@-*/\n\n/**#@+\n * Array constants\n *\n * Rather than create a thousands and thousands of new Math_BigInteger objects in repeated function calls to add() and\n * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them.\n *\n * @access private\n */\n/**\n * $result[MATH_BIGINTEGER_VALUE] contains the value.\n */\ndefine('MATH_BIGINTEGER_VALUE', 0);\n/**\n * $result[MATH_BIGINTEGER_SIGN] contains the sign.\n */\ndefine('MATH_BIGINTEGER_SIGN', 1);\n/**#@-*/\n\n/**#@+\n * @access private\n * @see Math_BigInteger::_montgomery()\n * @see Math_BigInteger::_barrett()\n */\n/**\n * Cache constants\n *\n * $cache[MATH_BIGINTEGER_VARIABLE] tells us whether or not the cached data is still valid.\n */\ndefine('MATH_BIGINTEGER_VARIABLE', 0);\n/**\n * $cache[MATH_BIGINTEGER_DATA] contains the cached data.\n */\ndefine('MATH_BIGINTEGER_DATA', 1);\n/**#@-*/\n\n/**#@+\n * Mode constants.\n *\n * @access private\n * @see Math_BigInteger::Math_BigInteger()\n */\n/**\n * To use the pure-PHP implementation\n */\ndefine('MATH_BIGINTEGER_MODE_INTERNAL', 1);\n/**\n * To use the BCMath library\n *\n * (if enabled; otherwise, the internal implementation will be used)\n */\ndefine('MATH_BIGINTEGER_MODE_BCMATH', 2);\n/**\n * To use the GMP library\n *\n * (if present; otherwise, either the BCMath or the internal implementation will be used)\n */\ndefine('MATH_BIGINTEGER_MODE_GMP', 3);\n/**#@-*/\n\n/**\n * Karatsuba Cutoff\n *\n * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication?\n *\n * @access private\n */\ndefine('MATH_BIGINTEGER_KARATSUBA_CUTOFF', 25);\n\n/**\n * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256\n * numbers.\n *\n * @package Math_BigInteger\n * @author Jim Wigginton \n * @version 1.0.0RC4\n * @access public\n */\nclass Math_BigInteger\n{\n /**\n * Holds the BigInteger's value.\n *\n * @var Array\n * @access private\n */\n var $value;\n\n /**\n * Holds the BigInteger's magnitude.\n *\n * @var Boolean\n * @access private\n */\n var $is_negative = false;\n\n /**\n * Random number generator function\n *\n * @see setRandomGenerator()\n * @access private\n */\n var $generator = 'mt_rand';\n\n /**\n * Precision\n *\n * @see setPrecision()\n * @access private\n */\n var $precision = -1;\n\n /**\n * Precision Bitmask\n *\n * @see setPrecision()\n * @access private\n */\n var $bitmask = false;\n\n /**\n * Mode independent value used for serialization.\n *\n * If the bcmath or gmp extensions are installed $this->value will be a non-serializable resource, hence the need for\n * a variable that'll be serializable regardless of whether or not extensions are being used. Unlike $this->value,\n * however, $this->hex is only calculated when $this->__sleep() is called.\n *\n * @see __sleep()\n * @see __wakeup()\n * @var String\n * @access private\n */\n var $hex;\n\n /**\n * Converts base-2, base-10, base-16, and binary strings (base-256) to BigIntegers.\n *\n * If the second parameter - $base - is negative, then it will be assumed that the number's are encoded using\n * two's compliment. The sole exception to this is -10, which is treated the same as 10 is.\n *\n * Here's an example:\n * \n * <?php\n * include('Math/BigInteger.php');\n *\n * $a = new Math_BigInteger('0x32', 16); // 50 in base-16\n *\n * echo $a->toString(); // outputs 50\n * ?>\n * \n *\n * @param optional $x base-10 number or base-$base number if $base set.\n * @param optional integer $base\n * @return Math_BigInteger\n * @access public\n */\n function __construct($x = 0, $base = 10)\n {\n if ( !defined('MATH_BIGINTEGER_MODE') ) {\n switch (true) {\n case extension_loaded('gmp'):\n define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_GMP);\n break;\n case extension_loaded('bcmath'):\n define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_BCMATH);\n break;\n default:\n define('MATH_BIGINTEGER_MODE', MATH_BIGINTEGER_MODE_INTERNAL);\n }\n }\n\n if (function_exists('openssl_public_encrypt') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {\n // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work\n ob_start();\n phpinfo();\n $content = ob_get_contents();\n ob_end_clean();\n\n preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches);\n\n $versions = array();\n if (!empty($matches[1])) {\n for ($i = 0; $i < count($matches[1]); $i++) {\n $versions[$matches[1][$i]] = trim(str_replace('=>', '', strip_tags($matches[2][$i])));\n }\n }\n\n // it doesn't appear that OpenSSL versions were reported upon until PHP 5.3+\n switch (true) {\n case !isset($versions['Header']):\n case !isset($versions['Library']):\n case $versions['Header'] == $versions['Library']:\n define('MATH_BIGINTEGER_OPENSSL_ENABLED', true);\n break;\n default:\n define('MATH_BIGINTEGER_OPENSSL_DISABLE', true);\n }\n }\n\n if (!defined('PHP_INT_SIZE')) {\n define('PHP_INT_SIZE', 4);\n }\n\n if (!defined('MATH_BIGINTEGER_BASE') && MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_INTERNAL) {\n switch (PHP_INT_SIZE) {\n case 8: // use 64-bit integers if int size is 8 bytes\n define('MATH_BIGINTEGER_BASE', 31);\n define('MATH_BIGINTEGER_BASE_FULL', 0x80000000);\n define('MATH_BIGINTEGER_MAX_DIGIT', 0x7FFFFFFF);\n define('MATH_BIGINTEGER_MSB', 0x40000000);\n // 10**9 is the closest we can get to 2**31 without passing it\n define('MATH_BIGINTEGER_MAX10', 1000000000);\n define('MATH_BIGINTEGER_MAX10_LEN', 9);\n // the largest digit that may be used in addition / subtraction\n define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 62));\n break;\n //case 4: // use 64-bit floats if int size is 4 bytes\n default:\n define('MATH_BIGINTEGER_BASE', 26);\n define('MATH_BIGINTEGER_BASE_FULL', 0x4000000);\n define('MATH_BIGINTEGER_MAX_DIGIT', 0x3FFFFFF);\n define('MATH_BIGINTEGER_MSB', 0x2000000);\n // 10**7 is the closest to 2**26 without passing it\n define('MATH_BIGINTEGER_MAX10', 10000000);\n define('MATH_BIGINTEGER_MAX10_LEN', 7);\n // the largest digit that may be used in addition / subtraction\n // we do pow(2, 52) instead of using 4503599627370496 directly because some\n // PHP installations will truncate 4503599627370496.\n define('MATH_BIGINTEGER_MAX_DIGIT2', pow(2, 52));\n }\n }\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n if (is_resource($x) && get_resource_type($x) == 'GMP integer') {\n $this->value = $x;\n return;\n }\n $this->value = gmp_init(0);\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n $this->value = '0';\n break;\n default:\n $this->value = array();\n }\n\n // '0' counts as empty() but when the base is 256 '0' is equal to ord('0') or 48\n // '0' is the only value like this per http://php.net/empty\n if (empty($x) && (abs($base) != 256 || $x !== '0')) {\n return;\n }\n\n switch ($base) {\n case -256:\n if (ord($x[0]) & 0x80) {\n $x = ~$x;\n $this->is_negative = true;\n }\n case 256:\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $sign = $this->is_negative ? '-' : '';\n $this->value = gmp_init($sign . '0x' . bin2hex($x));\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n // round $len to the nearest 4 (thanks, DavidMJ!)\n $len = (strlen($x) + 3) & 0xFFFFFFFC;\n\n $x = str_pad($x, $len, chr(0), STR_PAD_LEFT);\n\n for ($i = 0; $i < $len; $i+= 4) {\n $this->value = bcmul($this->value, '4294967296', 0); // 4294967296 == 2**32\n $this->value = bcadd($this->value, 0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord($x[$i + 2]) << 8) | ord($x[$i + 3])), 0);\n }\n\n if ($this->is_negative) {\n $this->value = '-' . $this->value;\n }\n\n break;\n // converts a base-2**8 (big endian / msb) number to base-2**26 (little endian / lsb)\n default:\n while (strlen($x)) {\n $this->value[] = $this->_bytes2int($this->_base256_rshift($x, MATH_BIGINTEGER_BASE));\n }\n }\n\n if ($this->is_negative) {\n if (MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL) {\n $this->is_negative = false;\n }\n $temp = $this->add(new Math_BigInteger('-1'));\n $this->value = $temp->value;\n }\n break;\n case 16:\n case -16:\n if ($base > 0 && $x[0] == '-') {\n $this->is_negative = true;\n $x = substr($x, 1);\n }\n\n $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x);\n\n $is_negative = false;\n if ($base < 0 && hexdec($x[0]) >= 8) {\n $this->is_negative = $is_negative = true;\n $x = bin2hex(~pack('H*', $x));\n }\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = $this->is_negative ? '-0x' . $x : '0x' . $x;\n $this->value = gmp_init($temp);\n $this->is_negative = false;\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n $x = ( strlen($x) & 1 ) ? '0' . $x : $x;\n $temp = new Math_BigInteger(pack('H*', $x), 256);\n $this->value = $this->is_negative ? '-' . $temp->value : $temp->value;\n $this->is_negative = false;\n break;\n default:\n $x = ( strlen($x) & 1 ) ? '0' . $x : $x;\n $temp = new Math_BigInteger(pack('H*', $x), 256);\n $this->value = $temp->value;\n }\n\n if ($is_negative) {\n $temp = $this->add(new Math_BigInteger('-1'));\n $this->value = $temp->value;\n }\n break;\n case 10:\n case -10:\n // (?value = gmp_init($x);\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different\n // results then doing it on '-1' does (modInverse does $x[0])\n $this->value = $x === '-' ? '0' : (string) $x;\n break;\n default:\n $temp = new Math_BigInteger();\n\n $multiplier = new Math_BigInteger();\n $multiplier->value = array(MATH_BIGINTEGER_MAX10);\n\n if ($x[0] == '-') {\n $this->is_negative = true;\n $x = substr($x, 1);\n }\n\n $x = str_pad($x, strlen($x) + ((MATH_BIGINTEGER_MAX10_LEN - 1) * strlen($x)) % MATH_BIGINTEGER_MAX10_LEN, 0, STR_PAD_LEFT);\n while (strlen($x)) {\n $temp = $temp->multiply($multiplier);\n $temp = $temp->add(new Math_BigInteger($this->_int2bytes(substr($x, 0, MATH_BIGINTEGER_MAX10_LEN)), 256));\n $x = substr($x, MATH_BIGINTEGER_MAX10_LEN);\n }\n\n $this->value = $temp->value;\n }\n break;\n case 2: // base-2 support originally implemented by Lluis Pamies - thanks!\n case -2:\n if ($base > 0 && $x[0] == '-') {\n $this->is_negative = true;\n $x = substr($x, 1);\n }\n\n $x = preg_replace('#^([01]*).*#', '$1', $x);\n $x = str_pad($x, strlen($x) + (3 * strlen($x)) % 4, 0, STR_PAD_LEFT);\n\n $str = '0x';\n while (strlen($x)) {\n $part = substr($x, 0, 4);\n $str.= dechex(bindec($part));\n $x = substr($x, 4);\n }\n\n if ($this->is_negative) {\n $str = '-' . $str;\n }\n\n $temp = new Math_BigInteger($str, 8 * $base); // ie. either -16 or +16\n $this->value = $temp->value;\n $this->is_negative = $temp->is_negative;\n\n break;\n default:\n // base not supported, so we'll let $this == 0\n }\n }\n\n /**\n * This function exists to maintain backwards compatibility with older code\n *\n * @param int $x base-10 number or base-$base number if $base set.\n * @param int $base Number base\n */\n public function Math_BigInteger($x = 0, $base = 10)\n {\n self::__construct($x, $base);\n }\n\n /**\n * Converts a BigInteger to a byte string (eg. base-256).\n *\n * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're\n * saved as two's compliment.\n *\n * Here's an example:\n * \n * toBytes(); // outputs chr(65)\n * ?>\n * \n *\n * @param Boolean $twos_compliment\n * @return String\n * @access public\n * @internal Converts a base-2**26 number to base-2**8\n */\n function toBytes($twos_compliment = false)\n {\n if ($twos_compliment) {\n $comparison = $this->compare(new Math_BigInteger());\n if ($comparison == 0) {\n return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';\n }\n\n $temp = $comparison < 0 ? $this->add(new Math_BigInteger(1)) : $this->copy();\n $bytes = $temp->toBytes();\n\n if (empty($bytes)) { // eg. if the number we're trying to convert is -1\n $bytes = chr(0);\n }\n\n if (ord($bytes[0]) & 0x80) {\n $bytes = chr(0) . $bytes;\n }\n\n return $comparison < 0 ? ~$bytes : $bytes;\n }\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n if (gmp_cmp($this->value, gmp_init(0)) == 0) {\n return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';\n }\n\n $temp = gmp_strval(gmp_abs($this->value), 16);\n $temp = ( strlen($temp) & 1 ) ? '0' . $temp : $temp;\n $temp = pack('H*', $temp);\n\n return $this->precision > 0 ?\n substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :\n ltrim($temp, chr(0));\n case MATH_BIGINTEGER_MODE_BCMATH:\n if ($this->value === '0') {\n return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';\n }\n\n $value = '';\n $current = $this->value;\n\n if ($current[0] == '-') {\n $current = substr($current, 1);\n }\n\n while (bccomp($current, '0', 0) > 0) {\n $temp = bcmod($current, '16777216');\n $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value;\n $current = bcdiv($current, '16777216', 0);\n }\n\n return $this->precision > 0 ?\n substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :\n ltrim($value, chr(0));\n }\n\n if (!count($this->value)) {\n return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';\n }\n $result = $this->_int2bytes($this->value[count($this->value) - 1]);\n\n $temp = $this->copy();\n\n for ($i = count($temp->value) - 2; $i >= 0; --$i) {\n $temp->_base256_lshift($result, MATH_BIGINTEGER_BASE);\n $result = $result | str_pad($temp->_int2bytes($temp->value[$i]), strlen($result), chr(0), STR_PAD_LEFT);\n }\n\n return $this->precision > 0 ?\n str_pad(substr($result, -(($this->precision + 7) >> 3)), ($this->precision + 7) >> 3, chr(0), STR_PAD_LEFT) :\n $result;\n }\n\n /**\n * Converts a BigInteger to a hex string (eg. base-16)).\n *\n * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're\n * saved as two's compliment.\n *\n * Here's an example:\n * \n * toHex(); // outputs '41'\n * ?>\n * \n *\n * @param Boolean $twos_compliment\n * @return String\n * @access public\n * @internal Converts a base-2**26 number to base-2**8\n */\n function toHex($twos_compliment = false)\n {\n return bin2hex($this->toBytes($twos_compliment));\n }\n\n /**\n * Converts a BigInteger to a bit string (eg. base-2).\n *\n * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're\n * saved as two's compliment.\n *\n * Here's an example:\n * \n * toBits(); // outputs '1000001'\n * ?>\n * \n *\n * @param Boolean $twos_compliment\n * @return String\n * @access public\n * @internal Converts a base-2**26 number to base-2**2\n */\n function toBits($twos_compliment = false)\n {\n $hex = $this->toHex($twos_compliment);\n $bits = '';\n for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) {\n $bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits;\n }\n if ($start) { // hexdec('') == 0\n $bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits;\n }\n $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0');\n\n if ($twos_compliment && $this->compare(new Math_BigInteger()) > 0 && $this->precision <= 0) {\n return '0' . $result;\n }\n\n return $result;\n }\n\n /**\n * Converts a BigInteger to a base-10 number.\n *\n * Here's an example:\n * \n * toString(); // outputs 50\n * ?>\n * \n *\n * @return String\n * @access public\n * @internal Converts a base-2**26 number to base-10**7 (which is pretty much base-10)\n */\n function toString()\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n return gmp_strval($this->value);\n case MATH_BIGINTEGER_MODE_BCMATH:\n if ($this->value === '0') {\n return '0';\n }\n\n return ltrim($this->value, '0');\n }\n\n if (!count($this->value)) {\n return '0';\n }\n\n $temp = $this->copy();\n $temp->is_negative = false;\n\n $divisor = new Math_BigInteger();\n $divisor->value = array(MATH_BIGINTEGER_MAX10);\n $result = '';\n while (count($temp->value)) {\n list($temp, $mod) = $temp->divide($divisor);\n $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', MATH_BIGINTEGER_MAX10_LEN, '0', STR_PAD_LEFT) . $result;\n }\n $result = ltrim($result, '0');\n if (empty($result)) {\n $result = '0';\n }\n\n if ($this->is_negative) {\n $result = '-' . $result;\n }\n\n return $result;\n }\n\n /**\n * Copy an object\n *\n * PHP5 passes objects by reference while PHP4 passes by value. As such, we need a function to guarantee\n * that all objects are passed by value, when appropriate. More information can be found here:\n *\n * {@link http://php.net/language.oop5.basic#51624}\n *\n * @access public\n * @see __clone()\n * @return Math_BigInteger\n */\n function copy()\n {\n $temp = new Math_BigInteger();\n $temp->value = $this->value;\n $temp->is_negative = $this->is_negative;\n $temp->generator = $this->generator;\n $temp->precision = $this->precision;\n $temp->bitmask = $this->bitmask;\n return $temp;\n }\n\n /**\n * __toString() magic method\n *\n * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call\n * toString().\n *\n * @access public\n * @internal Implemented per a suggestion by Techie-Michael - thanks!\n */\n function __toString()\n {\n return $this->toString();\n }\n\n /**\n * __clone() magic method\n *\n * Although you can call Math_BigInteger::__toString() directly in PHP5, you cannot call Math_BigInteger::__clone()\n * directly in PHP5. You can in PHP4 since it's not a magic method, but in PHP5, you have to call it by using the PHP5\n * only syntax of $y = clone $x. As such, if you're trying to write an application that works on both PHP4 and PHP5,\n * call Math_BigInteger::copy(), instead.\n *\n * @access public\n * @see copy()\n * @return Math_BigInteger\n */\n function __clone()\n {\n return $this->copy();\n }\n\n /**\n * __sleep() magic method\n *\n * Will be called, automatically, when serialize() is called on a Math_BigInteger object.\n *\n * @see __wakeup()\n * @access public\n */\n function __sleep()\n {\n $this->hex = $this->toHex(true);\n $vars = array('hex');\n if ($this->generator != 'mt_rand') {\n $vars[] = 'generator';\n }\n if ($this->precision > 0) {\n $vars[] = 'precision';\n }\n return $vars;\n\n }\n\n /**\n * __wakeup() magic method\n *\n * Will be called, automatically, when unserialize() is called on a Math_BigInteger object.\n *\n * @see __sleep()\n * @access public\n */\n function __wakeup()\n {\n $temp = new Math_BigInteger($this->hex, -16);\n $this->value = $temp->value;\n $this->is_negative = $temp->is_negative;\n $this->setRandomGenerator($this->generator);\n if ($this->precision > 0) {\n // recalculate $this->bitmask\n $this->setPrecision($this->precision);\n }\n }\n\n /**\n * Adds two BigIntegers.\n *\n * Here's an example:\n * \n * add($b);\n *\n * echo $c->toString(); // outputs 30\n * ?>\n * \n *\n * @param Math_BigInteger $y\n * @return Math_BigInteger\n * @access public\n * @internal Performs base-2**52 addition\n */\n function add($y)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_add($this->value, $y->value);\n\n return $this->_normalize($temp);\n case MATH_BIGINTEGER_MODE_BCMATH:\n $temp = new Math_BigInteger();\n $temp->value = bcadd($this->value, $y->value, 0);\n\n return $this->_normalize($temp);\n }\n\n $temp = $this->_add($this->value, $this->is_negative, $y->value, $y->is_negative);\n\n $result = new Math_BigInteger();\n $result->value = $temp[MATH_BIGINTEGER_VALUE];\n $result->is_negative = $temp[MATH_BIGINTEGER_SIGN];\n\n return $this->_normalize($result);\n }\n\n /**\n * Performs addition.\n *\n * @param Array $x_value\n * @param Boolean $x_negative\n * @param Array $y_value\n * @param Boolean $y_negative\n * @return Array\n * @access private\n */\n function _add($x_value, $x_negative, $y_value, $y_negative)\n {\n $x_size = count($x_value);\n $y_size = count($y_value);\n\n if ($x_size == 0) {\n return array(\n MATH_BIGINTEGER_VALUE => $y_value,\n MATH_BIGINTEGER_SIGN => $y_negative\n );\n } else if ($y_size == 0) {\n return array(\n MATH_BIGINTEGER_VALUE => $x_value,\n MATH_BIGINTEGER_SIGN => $x_negative\n );\n }\n\n // subtract, if appropriate\n if ( $x_negative != $y_negative ) {\n if ( $x_value == $y_value ) {\n return array(\n MATH_BIGINTEGER_VALUE => array(),\n MATH_BIGINTEGER_SIGN => false\n );\n }\n\n $temp = $this->_subtract($x_value, false, $y_value, false);\n $temp[MATH_BIGINTEGER_SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ?\n $x_negative : $y_negative;\n\n return $temp;\n }\n\n if ($x_size < $y_size) {\n $size = $x_size;\n $value = $y_value;\n } else {\n $size = $y_size;\n $value = $x_value;\n }\n\n $value[] = 0; // just in case the carry adds an extra digit\n\n $carry = 0;\n for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) {\n $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] + $y_value[$j] * MATH_BIGINTEGER_BASE_FULL + $y_value[$i] + $carry;\n $carry = $sum >= MATH_BIGINTEGER_MAX_DIGIT2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1\n $sum = $carry ? $sum - MATH_BIGINTEGER_MAX_DIGIT2 : $sum;\n\n $temp = (int) ($sum / MATH_BIGINTEGER_BASE_FULL);\n\n $value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp); // eg. a faster alternative to fmod($sum, 0x4000000)\n $value[$j] = $temp;\n }\n\n if ($j == $size) { // ie. if $y_size is odd\n $sum = $x_value[$i] + $y_value[$i] + $carry;\n $carry = $sum >= MATH_BIGINTEGER_BASE_FULL;\n $value[$i] = $carry ? $sum - MATH_BIGINTEGER_BASE_FULL : $sum;\n ++$i; // ie. let $i = $j since we've just done $value[$i]\n }\n\n if ($carry) {\n for (; $value[$i] == MATH_BIGINTEGER_MAX_DIGIT; ++$i) {\n $value[$i] = 0;\n }\n ++$value[$i];\n }\n\n return array(\n MATH_BIGINTEGER_VALUE => $this->_trim($value),\n MATH_BIGINTEGER_SIGN => $x_negative\n );\n }\n\n /**\n * Subtracts two BigIntegers.\n *\n * Here's an example:\n * \n * subtract($b);\n *\n * echo $c->toString(); // outputs -10\n * ?>\n * \n *\n * @param Math_BigInteger $y\n * @return Math_BigInteger\n * @access public\n * @internal Performs base-2**52 subtraction\n */\n function subtract($y)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_sub($this->value, $y->value);\n\n return $this->_normalize($temp);\n case MATH_BIGINTEGER_MODE_BCMATH:\n $temp = new Math_BigInteger();\n $temp->value = bcsub($this->value, $y->value, 0);\n\n return $this->_normalize($temp);\n }\n\n $temp = $this->_subtract($this->value, $this->is_negative, $y->value, $y->is_negative);\n\n $result = new Math_BigInteger();\n $result->value = $temp[MATH_BIGINTEGER_VALUE];\n $result->is_negative = $temp[MATH_BIGINTEGER_SIGN];\n\n return $this->_normalize($result);\n }\n\n /**\n * Performs subtraction.\n *\n * @param Array $x_value\n * @param Boolean $x_negative\n * @param Array $y_value\n * @param Boolean $y_negative\n * @return Array\n * @access private\n */\n function _subtract($x_value, $x_negative, $y_value, $y_negative)\n {\n $x_size = count($x_value);\n $y_size = count($y_value);\n\n if ($x_size == 0) {\n return array(\n MATH_BIGINTEGER_VALUE => $y_value,\n MATH_BIGINTEGER_SIGN => !$y_negative\n );\n } else if ($y_size == 0) {\n return array(\n MATH_BIGINTEGER_VALUE => $x_value,\n MATH_BIGINTEGER_SIGN => $x_negative\n );\n }\n\n // add, if appropriate (ie. -$x - +$y or +$x - -$y)\n if ( $x_negative != $y_negative ) {\n $temp = $this->_add($x_value, false, $y_value, false);\n $temp[MATH_BIGINTEGER_SIGN] = $x_negative;\n\n return $temp;\n }\n\n $diff = $this->_compare($x_value, $x_negative, $y_value, $y_negative);\n\n if ( !$diff ) {\n return array(\n MATH_BIGINTEGER_VALUE => array(),\n MATH_BIGINTEGER_SIGN => false\n );\n }\n\n // switch $x and $y around, if appropriate.\n if ( (!$x_negative && $diff < 0) || ($x_negative && $diff > 0) ) {\n $temp = $x_value;\n $x_value = $y_value;\n $y_value = $temp;\n\n $x_negative = !$x_negative;\n\n $x_size = count($x_value);\n $y_size = count($y_value);\n }\n\n // at this point, $x_value should be at least as big as - if not bigger than - $y_value\n\n $carry = 0;\n for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) {\n $sum = $x_value[$j] * MATH_BIGINTEGER_BASE_FULL + $x_value[$i] - $y_value[$j] * MATH_BIGINTEGER_BASE_FULL - $y_value[$i] - $carry;\n $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1\n $sum = $carry ? $sum + MATH_BIGINTEGER_MAX_DIGIT2 : $sum;\n\n $temp = (int) ($sum / MATH_BIGINTEGER_BASE_FULL);\n\n $x_value[$i] = (int) ($sum - MATH_BIGINTEGER_BASE_FULL * $temp);\n $x_value[$j] = $temp;\n }\n\n if ($j == $y_size) { // ie. if $y_size is odd\n $sum = $x_value[$i] - $y_value[$i] - $carry;\n $carry = $sum < 0;\n $x_value[$i] = $carry ? $sum + MATH_BIGINTEGER_BASE_FULL : $sum;\n ++$i;\n }\n\n if ($carry) {\n for (; !$x_value[$i]; ++$i) {\n $x_value[$i] = MATH_BIGINTEGER_MAX_DIGIT;\n }\n --$x_value[$i];\n }\n\n return array(\n MATH_BIGINTEGER_VALUE => $this->_trim($x_value),\n MATH_BIGINTEGER_SIGN => $x_negative\n );\n }\n\n /**\n * Multiplies two BigIntegers\n *\n * Here's an example:\n * \n * multiply($b);\n *\n * echo $c->toString(); // outputs 200\n * ?>\n * \n *\n * @param Math_BigInteger $x\n * @return Math_BigInteger\n * @access public\n */\n function multiply($x)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_mul($this->value, $x->value);\n\n return $this->_normalize($temp);\n case MATH_BIGINTEGER_MODE_BCMATH:\n $temp = new Math_BigInteger();\n $temp->value = bcmul($this->value, $x->value, 0);\n\n return $this->_normalize($temp);\n }\n\n $temp = $this->_multiply($this->value, $this->is_negative, $x->value, $x->is_negative);\n\n $product = new Math_BigInteger();\n $product->value = $temp[MATH_BIGINTEGER_VALUE];\n $product->is_negative = $temp[MATH_BIGINTEGER_SIGN];\n\n return $this->_normalize($product);\n }\n\n /**\n * Performs multiplication.\n *\n * @param Array $x_value\n * @param Boolean $x_negative\n * @param Array $y_value\n * @param Boolean $y_negative\n * @return Array\n * @access private\n */\n function _multiply($x_value, $x_negative, $y_value, $y_negative)\n {\n //if ( $x_value == $y_value ) {\n // return array(\n // MATH_BIGINTEGER_VALUE => $this->_square($x_value),\n // MATH_BIGINTEGER_SIGN => $x_sign != $y_value\n // );\n //}\n\n $x_length = count($x_value);\n $y_length = count($y_value);\n\n if ( !$x_length || !$y_length ) { // a 0 is being multiplied\n return array(\n MATH_BIGINTEGER_VALUE => array(),\n MATH_BIGINTEGER_SIGN => false\n );\n }\n\n return array(\n MATH_BIGINTEGER_VALUE => min($x_length, $y_length) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ?\n $this->_trim($this->_regularMultiply($x_value, $y_value)) :\n $this->_trim($this->_karatsuba($x_value, $y_value)),\n MATH_BIGINTEGER_SIGN => $x_negative != $y_negative\n );\n }\n\n /**\n * Performs long multiplication on two BigIntegers\n *\n * Modeled after 'multiply' in MutableBigInteger.java.\n *\n * @param Array $x_value\n * @param Array $y_value\n * @return Array\n * @access private\n */\n function _regularMultiply($x_value, $y_value)\n {\n $x_length = count($x_value);\n $y_length = count($y_value);\n\n if ( !$x_length || !$y_length ) { // a 0 is being multiplied\n return array();\n }\n\n if ( $x_length < $y_length ) {\n $temp = $x_value;\n $x_value = $y_value;\n $y_value = $temp;\n\n $x_length = count($x_value);\n $y_length = count($y_value);\n }\n\n $product_value = $this->_array_repeat(0, $x_length + $y_length);\n\n // the following for loop could be removed if the for loop following it\n // (the one with nested for loops) initially set $i to 0, but\n // doing so would also make the result in one set of unnecessary adds,\n // since on the outermost loops first pass, $product->value[$k] is going\n // to always be 0\n\n $carry = 0;\n\n for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0\n $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);\n }\n\n $product_value[$j] = $carry;\n\n // the above for loop is what the previous comment was talking about. the\n // following for loop is the \"one with nested for loops\"\n for ($i = 1; $i < $y_length; ++$i) {\n $carry = 0;\n\n for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) {\n $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);\n }\n\n $product_value[$k] = $carry;\n }\n\n return $product_value;\n }\n\n /**\n * Performs Karatsuba multiplication on two BigIntegers\n *\n * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}.\n *\n * @param Array $x_value\n * @param Array $y_value\n * @return Array\n * @access private\n */\n function _karatsuba($x_value, $y_value)\n {\n $m = min(count($x_value) >> 1, count($y_value) >> 1);\n\n if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) {\n return $this->_regularMultiply($x_value, $y_value);\n }\n\n $x1 = array_slice($x_value, $m);\n $x0 = array_slice($x_value, 0, $m);\n $y1 = array_slice($y_value, $m);\n $y0 = array_slice($y_value, 0, $m);\n\n $z2 = $this->_karatsuba($x1, $y1);\n $z0 = $this->_karatsuba($x0, $y0);\n\n $z1 = $this->_add($x1, false, $x0, false);\n $temp = $this->_add($y1, false, $y0, false);\n $z1 = $this->_karatsuba($z1[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_VALUE]);\n $temp = $this->_add($z2, false, $z0, false);\n $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false);\n\n $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);\n $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]);\n\n $xy = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]);\n $xy = $this->_add($xy[MATH_BIGINTEGER_VALUE], $xy[MATH_BIGINTEGER_SIGN], $z0, false);\n\n return $xy[MATH_BIGINTEGER_VALUE];\n }\n\n /**\n * Performs squaring\n *\n * @param Array $x\n * @return Array\n * @access private\n */\n function _square($x = false)\n {\n return count($x) < 2 * MATH_BIGINTEGER_KARATSUBA_CUTOFF ?\n $this->_trim($this->_baseSquare($x)) :\n $this->_trim($this->_karatsubaSquare($x));\n }\n\n /**\n * Performs traditional squaring on two BigIntegers\n *\n * Squaring can be done faster than multiplying a number by itself can be. See\n * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} /\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information.\n *\n * @param Array $value\n * @return Array\n * @access private\n */\n function _baseSquare($value)\n {\n if ( empty($value) ) {\n return array();\n }\n $square_value = $this->_array_repeat(0, 2 * count($value));\n\n for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) {\n $i2 = $i << 1;\n\n $temp = $square_value[$i2] + $value[$i] * $value[$i];\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $square_value[$i2] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);\n\n // note how we start from $i+1 instead of 0 as we do in multiplication.\n for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) {\n $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry;\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $square_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);\n }\n\n // the following line can yield values larger 2**15. at this point, PHP should switch\n // over to floats.\n $square_value[$i + $max_index + 1] = $carry;\n }\n\n return $square_value;\n }\n\n /**\n * Performs Karatsuba \"squaring\" on two BigIntegers\n *\n * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}.\n *\n * @param Array $value\n * @return Array\n * @access private\n */\n function _karatsubaSquare($value)\n {\n $m = count($value) >> 1;\n\n if ($m < MATH_BIGINTEGER_KARATSUBA_CUTOFF) {\n return $this->_baseSquare($value);\n }\n\n $x1 = array_slice($value, $m);\n $x0 = array_slice($value, 0, $m);\n\n $z2 = $this->_karatsubaSquare($x1);\n $z0 = $this->_karatsubaSquare($x0);\n\n $z1 = $this->_add($x1, false, $x0, false);\n $z1 = $this->_karatsubaSquare($z1[MATH_BIGINTEGER_VALUE]);\n $temp = $this->_add($z2, false, $z0, false);\n $z1 = $this->_subtract($z1, false, $temp[MATH_BIGINTEGER_VALUE], false);\n\n $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);\n $z1[MATH_BIGINTEGER_VALUE] = array_merge(array_fill(0, $m, 0), $z1[MATH_BIGINTEGER_VALUE]);\n\n $xx = $this->_add($z2, false, $z1[MATH_BIGINTEGER_VALUE], $z1[MATH_BIGINTEGER_SIGN]);\n $xx = $this->_add($xx[MATH_BIGINTEGER_VALUE], $xx[MATH_BIGINTEGER_SIGN], $z0, false);\n\n return $xx[MATH_BIGINTEGER_VALUE];\n }\n\n /**\n * Divides two BigIntegers.\n *\n * Returns an array whose first element contains the quotient and whose second element contains the\n * \"common residue\". If the remainder would be positive, the \"common residue\" and the remainder are the\n * same. If the remainder would be negative, the \"common residue\" is equal to the sum of the remainder\n * and the divisor (basically, the \"common residue\" is the first positive modulo).\n *\n * Here's an example:\n * \n * divide($b);\n *\n * echo $quotient->toString(); // outputs 0\n * echo \"\\r\\n\";\n * echo $remainder->toString(); // outputs 10\n * ?>\n * \n *\n * @param Math_BigInteger $y\n * @return Array\n * @access public\n * @internal This function is based off of {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}.\n */\n function divide($y)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $quotient = new Math_BigInteger();\n $remainder = new Math_BigInteger();\n\n list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value);\n\n if (gmp_sign($remainder->value) < 0) {\n $remainder->value = gmp_add($remainder->value, gmp_abs($y->value));\n }\n\n return array($this->_normalize($quotient), $this->_normalize($remainder));\n case MATH_BIGINTEGER_MODE_BCMATH:\n $quotient = new Math_BigInteger();\n $remainder = new Math_BigInteger();\n\n $quotient->value = bcdiv($this->value, $y->value, 0);\n $remainder->value = bcmod($this->value, $y->value);\n\n if ($remainder->value[0] == '-') {\n $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0);\n }\n\n return array($this->_normalize($quotient), $this->_normalize($remainder));\n }\n\n if (count($y->value) == 1) {\n list($q, $r) = $this->_divide_digit($this->value, $y->value[0]);\n $quotient = new Math_BigInteger();\n $remainder = new Math_BigInteger();\n $quotient->value = $q;\n $remainder->value = array($r);\n $quotient->is_negative = $this->is_negative != $y->is_negative;\n return array($this->_normalize($quotient), $this->_normalize($remainder));\n }\n\n static $zero;\n if ( !isset($zero) ) {\n $zero = new Math_BigInteger();\n }\n\n $x = $this->copy();\n $y = $y->copy();\n\n $x_sign = $x->is_negative;\n $y_sign = $y->is_negative;\n\n $x->is_negative = $y->is_negative = false;\n\n $diff = $x->compare($y);\n\n if ( !$diff ) {\n $temp = new Math_BigInteger();\n $temp->value = array(1);\n $temp->is_negative = $x_sign != $y_sign;\n return array($this->_normalize($temp), $this->_normalize(new Math_BigInteger()));\n }\n\n if ( $diff < 0 ) {\n // if $x is negative, \"add\" $y.\n if ( $x_sign ) {\n $x = $y->subtract($x);\n }\n return array($this->_normalize(new Math_BigInteger()), $this->_normalize($x));\n }\n\n // normalize $x and $y as described in HAC 14.23 / 14.24\n $msb = $y->value[count($y->value) - 1];\n for ($shift = 0; !($msb & MATH_BIGINTEGER_MSB); ++$shift) {\n $msb <<= 1;\n }\n $x->_lshift($shift);\n $y->_lshift($shift);\n $y_value = &$y->value;\n\n $x_max = count($x->value) - 1;\n $y_max = count($y->value) - 1;\n\n $quotient = new Math_BigInteger();\n $quotient_value = &$quotient->value;\n $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1);\n\n static $temp, $lhs, $rhs;\n if (!isset($temp)) {\n $temp = new Math_BigInteger();\n $lhs = new Math_BigInteger();\n $rhs = new Math_BigInteger();\n }\n $temp_value = &$temp->value;\n $rhs_value = &$rhs->value;\n\n // $temp = $y << ($x_max - $y_max-1) in base 2**26\n $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value);\n\n while ( $x->compare($temp) >= 0 ) {\n // calculate the \"common residue\"\n ++$quotient_value[$x_max - $y_max];\n $x = $x->subtract($temp);\n $x_max = count($x->value) - 1;\n }\n\n for ($i = $x_max; $i >= $y_max + 1; --$i) {\n $x_value = &$x->value;\n $x_window = array(\n isset($x_value[$i]) ? $x_value[$i] : 0,\n isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0,\n isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0\n );\n $y_window = array(\n $y_value[$y_max],\n ( $y_max > 0 ) ? $y_value[$y_max - 1] : 0\n );\n\n $q_index = $i - $y_max - 1;\n if ($x_window[0] == $y_window[0]) {\n $quotient_value[$q_index] = MATH_BIGINTEGER_MAX_DIGIT;\n } else {\n $quotient_value[$q_index] = (int) (\n ($x_window[0] * MATH_BIGINTEGER_BASE_FULL + $x_window[1])\n /\n $y_window[0]\n );\n }\n\n $temp_value = array($y_window[1], $y_window[0]);\n\n $lhs->value = array($quotient_value[$q_index]);\n $lhs = $lhs->multiply($temp);\n\n $rhs_value = array($x_window[2], $x_window[1], $x_window[0]);\n\n while ( $lhs->compare($rhs) > 0 ) {\n --$quotient_value[$q_index];\n\n $lhs->value = array($quotient_value[$q_index]);\n $lhs = $lhs->multiply($temp);\n }\n\n $adjust = $this->_array_repeat(0, $q_index);\n $temp_value = array($quotient_value[$q_index]);\n $temp = $temp->multiply($y);\n $temp_value = &$temp->value;\n $temp_value = array_merge($adjust, $temp_value);\n\n $x = $x->subtract($temp);\n\n if ($x->compare($zero) < 0) {\n $temp_value = array_merge($adjust, $y_value);\n $x = $x->add($temp);\n\n --$quotient_value[$q_index];\n }\n\n $x_max = count($x_value) - 1;\n }\n\n // unnormalize the remainder\n $x->_rshift($shift);\n\n $quotient->is_negative = $x_sign != $y_sign;\n\n // calculate the \"common residue\", if appropriate\n if ( $x_sign ) {\n $y->_rshift($shift);\n $x = $y->subtract($x);\n }\n\n return array($this->_normalize($quotient), $this->_normalize($x));\n }\n\n /**\n * Divides a BigInteger by a regular integer\n *\n * abc / x = a00 / x + b0 / x + c / x\n *\n * @param Array $dividend\n * @param Array $divisor\n * @return Array\n * @access private\n */\n function _divide_digit($dividend, $divisor)\n {\n $carry = 0;\n $result = array();\n\n for ($i = count($dividend) - 1; $i >= 0; --$i) {\n $temp = MATH_BIGINTEGER_BASE_FULL * $carry + $dividend[$i];\n $result[$i] = (int) ($temp / $divisor);\n $carry = (int) ($temp - $divisor * $result[$i]);\n }\n\n return array($result, $carry);\n }\n\n /**\n * Performs modular exponentiation.\n *\n * Here's an example:\n * \n * modPow($b, $c);\n *\n * echo $c->toString(); // outputs 10\n * ?>\n * \n *\n * @param Math_BigInteger $e\n * @param Math_BigInteger $n\n * @return Math_BigInteger\n * @access public\n * @internal The most naive approach to modular exponentiation has very unreasonable requirements, and\n * and although the approach involving repeated squaring does vastly better, it, too, is impractical\n * for our purposes. The reason being that division - by far the most complicated and time-consuming\n * of the basic operations (eg. +,-,*,/) - occurs multiple times within it.\n *\n * Modular reductions resolve this issue. Although an individual modular reduction takes more time\n * then an individual division, when performed in succession (with the same modulo), they're a lot faster.\n *\n * The two most commonly used modular reductions are Barrett and Montgomery reduction. Montgomery reduction,\n * although faster, only works when the gcd of the modulo and of the base being used is 1. In RSA, when the\n * base is a power of two, the modulo - a product of two primes - is always going to have a gcd of 1 (because\n * the product of two odd numbers is odd), but what about when RSA isn't used?\n *\n * In contrast, Barrett reduction has no such constraint. As such, some bigint implementations perform a\n * Barrett reduction after every operation in the modpow function. Others perform Barrett reductions when the\n * modulo is even and Montgomery reductions when the modulo is odd. BigInteger.java's modPow method, however,\n * uses a trick involving the Chinese Remainder Theorem to factor the even modulo into two numbers - one odd and\n * the other, a power of two - and recombine them, later. This is the method that this modPow function uses.\n * {@link http://islab.oregonstate.edu/papers/j34monex.pdf Montgomery Reduction with Even Modulus} elaborates.\n */\n function modPow($e, $n)\n {\n $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs();\n\n if ($e->compare(new Math_BigInteger()) < 0) {\n $e = $e->abs();\n\n $temp = $this->modInverse($n);\n if ($temp === false) {\n return false;\n }\n\n return $this->_normalize($temp->modPow($e, $n));\n }\n\n if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP ) {\n $temp = new Math_BigInteger();\n $temp->value = gmp_powm($this->value, $e->value, $n->value);\n\n return $this->_normalize($temp);\n }\n\n if ($this->compare(new Math_BigInteger()) < 0 || $this->compare($n) > 0) {\n list(, $temp) = $this->divide($n);\n return $temp->modPow($e, $n);\n }\n\n if (defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {\n $components = array(\n 'modulus' => $n->toBytes(true),\n 'publicExponent' => $e->toBytes(true)\n );\n\n $components = array(\n 'modulus' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['modulus'])), $components['modulus']),\n 'publicExponent' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['publicExponent'])), $components['publicExponent'])\n );\n\n $RSAPublicKey = pack('Ca*a*a*',\n 48, $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])),\n $components['modulus'], $components['publicExponent']\n );\n\n $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA\n $RSAPublicKey = chr(0) . $RSAPublicKey;\n $RSAPublicKey = chr(3) . $this->_encodeASN1Length(strlen($RSAPublicKey)) . $RSAPublicKey;\n\n $encapsulated = pack('Ca*a*',\n 48, $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)), $rsaOID . $RSAPublicKey\n );\n\n $RSAPublicKey = \"-----BEGIN PUBLIC KEY-----\\r\\n\" .\n chunk_split(base64_encode($encapsulated)) .\n '-----END PUBLIC KEY-----';\n\n $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, \"\\0\", STR_PAD_LEFT);\n\n if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) {\n return new Math_BigInteger($result, 256);\n }\n }\n\n if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) {\n $temp = new Math_BigInteger();\n $temp->value = bcpowmod($this->value, $e->value, $n->value, 0);\n\n return $this->_normalize($temp);\n }\n\n if ( empty($e->value) ) {\n $temp = new Math_BigInteger();\n $temp->value = array(1);\n return $this->_normalize($temp);\n }\n\n if ( $e->value == array(1) ) {\n list(, $temp) = $this->divide($n);\n return $this->_normalize($temp);\n }\n\n if ( $e->value == array(2) ) {\n $temp = new Math_BigInteger();\n $temp->value = $this->_square($this->value);\n list(, $temp) = $temp->divide($n);\n return $this->_normalize($temp);\n }\n\n return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_BARRETT));\n\n // is the modulo odd?\n if ( $n->value[0] & 1 ) {\n return $this->_normalize($this->_slidingWindow($e, $n, MATH_BIGINTEGER_MONTGOMERY));\n }\n // if it's not, it's even\n\n // find the lowest set bit (eg. the max pow of 2 that divides $n)\n for ($i = 0; $i < count($n->value); ++$i) {\n if ( $n->value[$i] ) {\n $temp = decbin($n->value[$i]);\n $j = strlen($temp) - strrpos($temp, '1') - 1;\n $j+= 26 * $i;\n break;\n }\n }\n // at this point, 2^$j * $n/(2^$j) == $n\n\n $mod1 = $n->copy();\n $mod1->_rshift($j);\n $mod2 = new Math_BigInteger();\n $mod2->value = array(1);\n $mod2->_lshift($j);\n\n $part1 = ( $mod1->value != array(1) ) ? $this->_slidingWindow($e, $mod1, MATH_BIGINTEGER_MONTGOMERY) : new Math_BigInteger();\n $part2 = $this->_slidingWindow($e, $mod2, MATH_BIGINTEGER_POWEROF2);\n\n $y1 = $mod2->modInverse($mod1);\n $y2 = $mod1->modInverse($mod2);\n\n $result = $part1->multiply($mod2);\n $result = $result->multiply($y1);\n\n $temp = $part2->multiply($mod1);\n $temp = $temp->multiply($y2);\n\n $result = $result->add($temp);\n list(, $result) = $result->divide($n);\n\n return $this->_normalize($result);\n }\n\n /**\n * Performs modular exponentiation.\n *\n * Alias for Math_BigInteger::modPow()\n *\n * @param Math_BigInteger $e\n * @param Math_BigInteger $n\n * @return Math_BigInteger\n * @access public\n */\n function powMod($e, $n)\n {\n return $this->modPow($e, $n);\n }\n\n /**\n * Sliding Window k-ary Modular Exponentiation\n *\n * Based on {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=27 HAC 14.85} /\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=210 MPM 7.7}. In a departure from those algorithims,\n * however, this function performs a modular reduction after every multiplication and squaring operation.\n * As such, this function has the same preconditions that the reductions being used do.\n *\n * @param Math_BigInteger $e\n * @param Math_BigInteger $n\n * @param Integer $mode\n * @return Math_BigInteger\n * @access private\n */\n function _slidingWindow($e, $n, $mode)\n {\n static $window_ranges = array(7, 25, 81, 241, 673, 1793); // from BigInteger.java's oddModPow function\n //static $window_ranges = array(0, 7, 36, 140, 450, 1303, 3529); // from MPM 7.3.1\n\n $e_value = $e->value;\n $e_length = count($e_value) - 1;\n $e_bits = decbin($e_value[$e_length]);\n for ($i = $e_length - 1; $i >= 0; --$i) {\n $e_bits.= str_pad(decbin($e_value[$i]), MATH_BIGINTEGER_BASE, '0', STR_PAD_LEFT);\n }\n\n $e_length = strlen($e_bits);\n\n // calculate the appropriate window size.\n // $window_size == 3 if $window_ranges is between 25 and 81, for example.\n for ($i = 0, $window_size = 1; $e_length > $window_ranges[$i] && $i < count($window_ranges); ++$window_size, ++$i);\n\n $n_value = $n->value;\n\n // precompute $this^0 through $this^$window_size\n $powers = array();\n $powers[1] = $this->_prepareReduce($this->value, $n_value, $mode);\n $powers[2] = $this->_squareReduce($powers[1], $n_value, $mode);\n\n // we do every other number since substr($e_bits, $i, $j+1) (see below) is supposed to end\n // in a 1. ie. it's supposed to be odd.\n $temp = 1 << ($window_size - 1);\n for ($i = 1; $i < $temp; ++$i) {\n $i2 = $i << 1;\n $powers[$i2 + 1] = $this->_multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $mode);\n }\n\n $result = array(1);\n $result = $this->_prepareReduce($result, $n_value, $mode);\n\n for ($i = 0; $i < $e_length; ) {\n if ( !$e_bits[$i] ) {\n $result = $this->_squareReduce($result, $n_value, $mode);\n ++$i;\n } else {\n for ($j = $window_size - 1; $j > 0; --$j) {\n if ( !empty($e_bits[$i + $j]) ) {\n break;\n }\n }\n\n for ($k = 0; $k <= $j; ++$k) {// eg. the length of substr($e_bits, $i, $j+1)\n $result = $this->_squareReduce($result, $n_value, $mode);\n }\n\n $result = $this->_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode);\n\n $i+=$j + 1;\n }\n }\n\n $temp = new Math_BigInteger();\n $temp->value = $this->_reduce($result, $n_value, $mode);\n\n return $temp;\n }\n\n /**\n * Modular reduction\n *\n * For most $modes this will return the remainder.\n *\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $n\n * @param Integer $mode\n * @return Array\n */\n function _reduce($x, $n, $mode)\n {\n switch ($mode) {\n case MATH_BIGINTEGER_MONTGOMERY:\n return $this->_montgomery($x, $n);\n case MATH_BIGINTEGER_BARRETT:\n return $this->_barrett($x, $n);\n case MATH_BIGINTEGER_POWEROF2:\n $lhs = new Math_BigInteger();\n $lhs->value = $x;\n $rhs = new Math_BigInteger();\n $rhs->value = $n;\n return $x->_mod2($n);\n case MATH_BIGINTEGER_CLASSIC:\n $lhs = new Math_BigInteger();\n $lhs->value = $x;\n $rhs = new Math_BigInteger();\n $rhs->value = $n;\n list(, $temp) = $lhs->divide($rhs);\n return $temp->value;\n case MATH_BIGINTEGER_NONE:\n return $x;\n default:\n // an invalid $mode was provided\n }\n }\n\n /**\n * Modular reduction preperation\n *\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $n\n * @param Integer $mode\n * @return Array\n */\n function _prepareReduce($x, $n, $mode)\n {\n if ($mode == MATH_BIGINTEGER_MONTGOMERY) {\n return $this->_prepMontgomery($x, $n);\n }\n return $this->_reduce($x, $n, $mode);\n }\n\n /**\n * Modular multiply\n *\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $y\n * @param Array $n\n * @param Integer $mode\n * @return Array\n */\n function _multiplyReduce($x, $y, $n, $mode)\n {\n if ($mode == MATH_BIGINTEGER_MONTGOMERY) {\n return $this->_montgomeryMultiply($x, $y, $n);\n }\n $temp = $this->_multiply($x, false, $y, false);\n return $this->_reduce($temp[MATH_BIGINTEGER_VALUE], $n, $mode);\n }\n\n /**\n * Modular square\n *\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $n\n * @param Integer $mode\n * @return Array\n */\n function _squareReduce($x, $n, $mode)\n {\n if ($mode == MATH_BIGINTEGER_MONTGOMERY) {\n return $this->_montgomeryMultiply($x, $x, $n);\n }\n return $this->_reduce($this->_square($x), $n, $mode);\n }\n\n /**\n * Modulos for Powers of Two\n *\n * Calculates $x%$n, where $n = 2**$e, for some $e. Since this is basically the same as doing $x & ($n-1),\n * we'll just use this function as a wrapper for doing that.\n *\n * @see _slidingWindow()\n * @access private\n * @param Math_BigInteger\n * @return Math_BigInteger\n */\n function _mod2($n)\n {\n $temp = new Math_BigInteger();\n $temp->value = array(1);\n return $this->bitwise_and($n->subtract($temp));\n }\n\n /**\n * Barrett Modular Reduction\n *\n * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} /\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information. Modified slightly,\n * so as not to require negative numbers (initially, this script didn't support negative numbers).\n *\n * Employs \"folding\", as described at\n * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}. To quote from\n * it, \"the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x.\"\n *\n * Unfortunately, the \"Barrett Reduction with Folding\" algorithm described in thesis-149.pdf is not, as written, all that\n * usable on account of (1) its not using reasonable radix points as discussed in\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable\n * radix points, it only works when there are an even number of digits in the denominator. The reason for (2) is that\n * (x >> 1) + (x >> 1) != x / 2 + x / 2. If x is even, they're the same, but if x is odd, they're not. See the in-line\n * comments for details.\n *\n * @see _slidingWindow()\n * @access private\n * @param Array $n\n * @param Array $m\n * @return Array\n */\n function _barrett($n, $m)\n {\n static $cache = array(\n MATH_BIGINTEGER_VARIABLE => array(),\n MATH_BIGINTEGER_DATA => array()\n );\n\n $m_length = count($m);\n\n // if ($this->_compare($n, $this->_square($m)) >= 0) {\n if (count($n) > 2 * $m_length) {\n $lhs = new Math_BigInteger();\n $rhs = new Math_BigInteger();\n $lhs->value = $n;\n $rhs->value = $m;\n list(, $temp) = $lhs->divide($rhs);\n return $temp->value;\n }\n\n // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced\n if ($m_length < 5) {\n return $this->_regularBarrett($n, $m);\n }\n\n // n = 2 * m.length\n\n if ( ($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {\n $key = count($cache[MATH_BIGINTEGER_VARIABLE]);\n $cache[MATH_BIGINTEGER_VARIABLE][] = $m;\n\n $lhs = new Math_BigInteger();\n $lhs_value = &$lhs->value;\n $lhs_value = $this->_array_repeat(0, $m_length + ($m_length >> 1));\n $lhs_value[] = 1;\n $rhs = new Math_BigInteger();\n $rhs->value = $m;\n\n list($u, $m1) = $lhs->divide($rhs);\n $u = $u->value;\n $m1 = $m1->value;\n\n $cache[MATH_BIGINTEGER_DATA][] = array(\n 'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1)\n 'm1'=> $m1 // m.length\n );\n } else {\n extract($cache[MATH_BIGINTEGER_DATA][$key]);\n }\n\n $cutoff = $m_length + ($m_length >> 1);\n $lsd = array_slice($n, 0, $cutoff); // m.length + (m.length >> 1)\n $msd = array_slice($n, $cutoff); // m.length >> 1\n $lsd = $this->_trim($lsd);\n $temp = $this->_multiply($msd, false, $m1, false);\n $n = $this->_add($lsd, false, $temp[MATH_BIGINTEGER_VALUE], false); // m.length + (m.length >> 1) + 1\n\n if ($m_length & 1) {\n return $this->_regularBarrett($n[MATH_BIGINTEGER_VALUE], $m);\n }\n\n // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2\n $temp = array_slice($n[MATH_BIGINTEGER_VALUE], $m_length - 1);\n // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2\n // if odd: ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1\n $temp = $this->_multiply($temp, false, $u, false);\n // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1\n // if odd: (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1)\n $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], ($m_length >> 1) + 1);\n // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1\n // if odd: (m.length - (m.length >> 1)) + m.length = 2 * m.length - (m.length >> 1)\n $temp = $this->_multiply($temp, false, $m, false);\n\n // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit\n // number from a m.length + (m.length >> 1) + 1 digit number. ie. there'd be an extra digit and the while loop\n // following this comment would loop a lot (hence our calling _regularBarrett() in that situation).\n\n $result = $this->_subtract($n[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false);\n\n while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false) >= 0) {\n $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $m, false);\n }\n\n return $result[MATH_BIGINTEGER_VALUE];\n }\n\n /**\n * (Regular) Barrett Modular Reduction\n *\n * For numbers with more than four digits Math_BigInteger::_barrett() is faster. The difference between that and this\n * is that this function does not fold the denominator into a smaller form.\n *\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $n\n * @return Array\n */\n function _regularBarrett($x, $n)\n {\n static $cache = array(\n MATH_BIGINTEGER_VARIABLE => array(),\n MATH_BIGINTEGER_DATA => array()\n );\n\n $n_length = count($n);\n\n if (count($x) > 2 * $n_length) {\n $lhs = new Math_BigInteger();\n $rhs = new Math_BigInteger();\n $lhs->value = $x;\n $rhs->value = $n;\n list(, $temp) = $lhs->divide($rhs);\n return $temp->value;\n }\n\n if ( ($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {\n $key = count($cache[MATH_BIGINTEGER_VARIABLE]);\n $cache[MATH_BIGINTEGER_VARIABLE][] = $n;\n $lhs = new Math_BigInteger();\n $lhs_value = &$lhs->value;\n $lhs_value = $this->_array_repeat(0, 2 * $n_length);\n $lhs_value[] = 1;\n $rhs = new Math_BigInteger();\n $rhs->value = $n;\n list($temp, ) = $lhs->divide($rhs); // m.length\n $cache[MATH_BIGINTEGER_DATA][] = $temp->value;\n }\n\n // 2 * m.length - (m.length - 1) = m.length + 1\n $temp = array_slice($x, $n_length - 1);\n // (m.length + 1) + m.length = 2 * m.length + 1\n $temp = $this->_multiply($temp, false, $cache[MATH_BIGINTEGER_DATA][$key], false);\n // (2 * m.length + 1) - (m.length - 1) = m.length + 2\n $temp = array_slice($temp[MATH_BIGINTEGER_VALUE], $n_length + 1);\n\n // m.length + 1\n $result = array_slice($x, 0, $n_length + 1);\n // m.length + 1\n $temp = $this->_multiplyLower($temp, false, $n, false, $n_length + 1);\n // $temp == array_slice($temp->_multiply($temp, false, $n, false)->value, 0, $n_length + 1)\n\n if ($this->_compare($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]) < 0) {\n $corrector_value = $this->_array_repeat(0, $n_length + 1);\n $corrector_value[] = 1;\n $result = $this->_add($result, false, $corrector_value, false);\n $result = $result[MATH_BIGINTEGER_VALUE];\n }\n\n // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits\n $result = $this->_subtract($result, false, $temp[MATH_BIGINTEGER_VALUE], $temp[MATH_BIGINTEGER_SIGN]);\n while ($this->_compare($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false) > 0) {\n $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], $result[MATH_BIGINTEGER_SIGN], $n, false);\n }\n\n return $result[MATH_BIGINTEGER_VALUE];\n }\n\n /**\n * Performs long multiplication up to $stop digits\n *\n * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved.\n *\n * @see _regularBarrett()\n * @param Array $x_value\n * @param Boolean $x_negative\n * @param Array $y_value\n * @param Boolean $y_negative\n * @param Integer $stop\n * @return Array\n * @access private\n */\n function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop)\n {\n $x_length = count($x_value);\n $y_length = count($y_value);\n\n if ( !$x_length || !$y_length ) { // a 0 is being multiplied\n return array(\n MATH_BIGINTEGER_VALUE => array(),\n MATH_BIGINTEGER_SIGN => false\n );\n }\n\n if ( $x_length < $y_length ) {\n $temp = $x_value;\n $x_value = $y_value;\n $y_value = $temp;\n\n $x_length = count($x_value);\n $y_length = count($y_value);\n }\n\n $product_value = $this->_array_repeat(0, $x_length + $y_length);\n\n // the following for loop could be removed if the for loop following it\n // (the one with nested for loops) initially set $i to 0, but\n // doing so would also make the result in one set of unnecessary adds,\n // since on the outermost loops first pass, $product->value[$k] is going\n // to always be 0\n\n $carry = 0;\n\n for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i\n $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $product_value[$j] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);\n }\n\n if ($j < $stop) {\n $product_value[$j] = $carry;\n }\n\n // the above for loop is what the previous comment was talking about. the\n // following for loop is the \"one with nested for loops\"\n\n for ($i = 1; $i < $y_length; ++$i) {\n $carry = 0;\n\n for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) {\n $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $product_value[$k] = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * $carry);\n }\n\n if ($k < $stop) {\n $product_value[$k] = $carry;\n }\n }\n\n return array(\n MATH_BIGINTEGER_VALUE => $this->_trim($product_value),\n MATH_BIGINTEGER_SIGN => $x_negative != $y_negative\n );\n }\n\n /**\n * Montgomery Modular Reduction\n *\n * ($x->_prepMontgomery($n))->_montgomery($n) yields $x % $n.\n * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=170 MPM 6.3} provides insights on how this can be\n * improved upon (basically, by using the comba method). gcd($n, 2) must be equal to one for this function\n * to work correctly.\n *\n * @see _prepMontgomery()\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $n\n * @return Array\n */\n function _montgomery($x, $n)\n {\n static $cache = array(\n MATH_BIGINTEGER_VARIABLE => array(),\n MATH_BIGINTEGER_DATA => array()\n );\n\n if ( ($key = array_search($n, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {\n $key = count($cache[MATH_BIGINTEGER_VARIABLE]);\n $cache[MATH_BIGINTEGER_VARIABLE][] = $x;\n $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($n);\n }\n\n $k = count($n);\n\n $result = array(MATH_BIGINTEGER_VALUE => $x);\n\n for ($i = 0; $i < $k; ++$i) {\n $temp = $result[MATH_BIGINTEGER_VALUE][$i] * $cache[MATH_BIGINTEGER_DATA][$key];\n $temp = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * ((int) ($temp / MATH_BIGINTEGER_BASE_FULL)));\n $temp = $this->_regularMultiply(array($temp), $n);\n $temp = array_merge($this->_array_repeat(0, $i), $temp);\n $result = $this->_add($result[MATH_BIGINTEGER_VALUE], false, $temp, false);\n }\n\n $result[MATH_BIGINTEGER_VALUE] = array_slice($result[MATH_BIGINTEGER_VALUE], $k);\n\n if ($this->_compare($result, false, $n, false) >= 0) {\n $result = $this->_subtract($result[MATH_BIGINTEGER_VALUE], false, $n, false);\n }\n\n return $result[MATH_BIGINTEGER_VALUE];\n }\n\n /**\n * Montgomery Multiply\n *\n * Interleaves the montgomery reduction and long multiplication algorithms together as described in\n * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36}\n *\n * @see _prepMontgomery()\n * @see _montgomery()\n * @access private\n * @param Array $x\n * @param Array $y\n * @param Array $m\n * @return Array\n */\n function _montgomeryMultiply($x, $y, $m)\n {\n $temp = $this->_multiply($x, false, $y, false);\n return $this->_montgomery($temp[MATH_BIGINTEGER_VALUE], $m);\n\n static $cache = array(\n MATH_BIGINTEGER_VARIABLE => array(),\n MATH_BIGINTEGER_DATA => array()\n );\n\n if ( ($key = array_search($m, $cache[MATH_BIGINTEGER_VARIABLE])) === false ) {\n $key = count($cache[MATH_BIGINTEGER_VARIABLE]);\n $cache[MATH_BIGINTEGER_VARIABLE][] = $m;\n $cache[MATH_BIGINTEGER_DATA][] = $this->_modInverse67108864($m);\n }\n\n $n = max(count($x), count($y), count($m));\n $x = array_pad($x, $n, 0);\n $y = array_pad($y, $n, 0);\n $m = array_pad($m, $n, 0);\n $a = array(MATH_BIGINTEGER_VALUE => $this->_array_repeat(0, $n + 1));\n for ($i = 0; $i < $n; ++$i) {\n $temp = $a[MATH_BIGINTEGER_VALUE][0] + $x[$i] * $y[0];\n $temp = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * ((int) ($temp / MATH_BIGINTEGER_BASE_FULL)));\n $temp = $temp * $cache[MATH_BIGINTEGER_DATA][$key];\n $temp = (int) ($temp - MATH_BIGINTEGER_BASE_FULL * ((int) ($temp / MATH_BIGINTEGER_BASE_FULL)));\n $temp = $this->_add($this->_regularMultiply(array($x[$i]), $y), false, $this->_regularMultiply(array($temp), $m), false);\n $a = $this->_add($a[MATH_BIGINTEGER_VALUE], false, $temp[MATH_BIGINTEGER_VALUE], false);\n $a[MATH_BIGINTEGER_VALUE] = array_slice($a[MATH_BIGINTEGER_VALUE], 1);\n }\n if ($this->_compare($a[MATH_BIGINTEGER_VALUE], false, $m, false) >= 0) {\n $a = $this->_subtract($a[MATH_BIGINTEGER_VALUE], false, $m, false);\n }\n return $a[MATH_BIGINTEGER_VALUE];\n }\n\n /**\n * Prepare a number for use in Montgomery Modular Reductions\n *\n * @see _montgomery()\n * @see _slidingWindow()\n * @access private\n * @param Array $x\n * @param Array $n\n * @return Array\n */\n function _prepMontgomery($x, $n)\n {\n $lhs = new Math_BigInteger();\n $lhs->value = array_merge($this->_array_repeat(0, count($n)), $x);\n $rhs = new Math_BigInteger();\n $rhs->value = $n;\n\n list(, $temp) = $lhs->divide($rhs);\n return $temp->value;\n }\n\n /**\n * Modular Inverse of a number mod 2**26 (eg. 67108864)\n *\n * Based off of the bnpInvDigit function implemented and justified in the following URL:\n *\n * {@link http://www-cs-students.stanford.edu/~tjw/jsbn/jsbn.js}\n *\n * The following URL provides more info:\n *\n * {@link http://groups.google.com/group/sci.crypt/msg/7a137205c1be7d85}\n *\n * As for why we do all the bitmasking... strange things can happen when converting from floats to ints. For\n * instance, on some computers, var_dump((int) -4294967297) yields int(-1) and on others, it yields\n * int(-2147483648). To avoid problems stemming from this, we use bitmasks to guarantee that ints aren't\n * auto-converted to floats. The outermost bitmask is present because without it, there's no guarantee that\n * the \"residue\" returned would be the so-called \"common residue\". We use fmod, in the last step, because the\n * maximum possible $x is 26 bits and the maximum $result is 16 bits. Thus, we have to be able to handle up to\n * 40 bits, which only 64-bit floating points will support.\n *\n * Thanks to Pedro Gimeno Fortea for input!\n *\n * @see _montgomery()\n * @access private\n * @param Array $x\n * @return Integer\n */\n function _modInverse67108864($x) // 2**26 == 67,108,864\n {\n $x = -$x[0];\n $result = $x & 0x3; // x**-1 mod 2**2\n $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4\n $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; // x**-1 mod 2**8\n $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16\n $result = fmod($result * (2 - fmod($x * $result, MATH_BIGINTEGER_BASE_FULL)), MATH_BIGINTEGER_BASE_FULL); // x**-1 mod 2**26\n return $result & MATH_BIGINTEGER_MAX_DIGIT;\n }\n\n /**\n * Calculates modular inverses.\n *\n * Say you have (30 mod 17 * x mod 17) mod 17 == 1. x can be found using modular inverses.\n *\n * Here's an example:\n * \n * modInverse($b);\n * echo $c->toString(); // outputs 4\n *\n * echo \"\\r\\n\";\n *\n * $d = $a->multiply($c);\n * list(, $d) = $d->divide($b);\n * echo $d; // outputs 1 (as per the definition of modular inverse)\n * ?>\n * \n *\n * @param Math_BigInteger $n\n * @return mixed false, if no modular inverse exists, Math_BigInteger, otherwise.\n * @access public\n * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information.\n */\n function modInverse($n)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_invert($this->value, $n->value);\n\n return ( $temp->value === false ) ? false : $this->_normalize($temp);\n }\n\n static $zero, $one;\n if (!isset($zero)) {\n $zero = new Math_BigInteger();\n $one = new Math_BigInteger(1);\n }\n\n // $x mod -$n == $x mod $n.\n $n = $n->abs();\n\n if ($this->compare($zero) < 0) {\n $temp = $this->abs();\n $temp = $temp->modInverse($n);\n return $this->_normalize($n->subtract($temp));\n }\n\n extract($this->extendedGCD($n));\n\n if (!$gcd->equals($one)) {\n return false;\n }\n\n $x = $x->compare($zero) < 0 ? $x->add($n) : $x;\n\n return $this->compare($zero) < 0 ? $this->_normalize($n->subtract($x)) : $this->_normalize($x);\n }\n\n /**\n * Calculates the greatest common divisor and Bezout's identity.\n *\n * Say you have 693 and 609. The GCD is 21. Bezout's identity states that there exist integers x and y such that\n * 693*x + 609*y == 21. In point of fact, there are actually an infinite number of x and y combinations and which\n * combination is returned is dependant upon which mode is in use. See\n * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information.\n *\n * Here's an example:\n * \n * extendedGCD($b));\n *\n * echo $gcd->toString() . \"\\r\\n\"; // outputs 21\n * echo $a->toString() * $x->toString() + $b->toString() * $y->toString(); // outputs 21\n * ?>\n * \n *\n * @param Math_BigInteger $n\n * @return Math_BigInteger\n * @access public\n * @internal Calculates the GCD using the binary xGCD algorithim described in\n * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=19 HAC 14.61}. As the text above 14.61 notes,\n * the more traditional algorithim requires \"relatively costly multiple-precision divisions\".\n */\n function extendedGCD($n)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n extract(gmp_gcdext($this->value, $n->value));\n\n return array(\n 'gcd' => $this->_normalize(new Math_BigInteger($g)),\n 'x' => $this->_normalize(new Math_BigInteger($s)),\n 'y' => $this->_normalize(new Math_BigInteger($t))\n );\n case MATH_BIGINTEGER_MODE_BCMATH:\n // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works\n // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway. as is,\n // the basic extended euclidean algorithim is what we're using.\n\n $u = $this->value;\n $v = $n->value;\n\n $a = '1';\n $b = '0';\n $c = '0';\n $d = '1';\n\n while (bccomp($v, '0', 0) != 0) {\n $q = bcdiv($u, $v, 0);\n\n $temp = $u;\n $u = $v;\n $v = bcsub($temp, bcmul($v, $q, 0), 0);\n\n $temp = $a;\n $a = $c;\n $c = bcsub($temp, bcmul($a, $q, 0), 0);\n\n $temp = $b;\n $b = $d;\n $d = bcsub($temp, bcmul($b, $q, 0), 0);\n }\n\n return array(\n 'gcd' => $this->_normalize(new Math_BigInteger($u)),\n 'x' => $this->_normalize(new Math_BigInteger($a)),\n 'y' => $this->_normalize(new Math_BigInteger($b))\n );\n }\n\n $y = $n->copy();\n $x = $this->copy();\n $g = new Math_BigInteger();\n $g->value = array(1);\n\n while ( !(($x->value[0] & 1)|| ($y->value[0] & 1)) ) {\n $x->_rshift(1);\n $y->_rshift(1);\n $g->_lshift(1);\n }\n\n $u = $x->copy();\n $v = $y->copy();\n\n $a = new Math_BigInteger();\n $b = new Math_BigInteger();\n $c = new Math_BigInteger();\n $d = new Math_BigInteger();\n\n $a->value = $d->value = $g->value = array(1);\n $b->value = $c->value = array();\n\n while ( !empty($u->value) ) {\n while ( !($u->value[0] & 1) ) {\n $u->_rshift(1);\n if ( (!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1)) ) {\n $a = $a->add($y);\n $b = $b->subtract($x);\n }\n $a->_rshift(1);\n $b->_rshift(1);\n }\n\n while ( !($v->value[0] & 1) ) {\n $v->_rshift(1);\n if ( (!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1)) ) {\n $c = $c->add($y);\n $d = $d->subtract($x);\n }\n $c->_rshift(1);\n $d->_rshift(1);\n }\n\n if ($u->compare($v) >= 0) {\n $u = $u->subtract($v);\n $a = $a->subtract($c);\n $b = $b->subtract($d);\n } else {\n $v = $v->subtract($u);\n $c = $c->subtract($a);\n $d = $d->subtract($b);\n }\n }\n\n return array(\n 'gcd' => $this->_normalize($g->multiply($v)),\n 'x' => $this->_normalize($c),\n 'y' => $this->_normalize($d)\n );\n }\n\n /**\n * Calculates the greatest common divisor\n *\n * Say you have 693 and 609. The GCD is 21.\n *\n * Here's an example:\n * \n * extendedGCD($b);\n *\n * echo $gcd->toString() . \"\\r\\n\"; // outputs 21\n * ?>\n * \n *\n * @param Math_BigInteger $n\n * @return Math_BigInteger\n * @access public\n */\n function gcd($n)\n {\n extract($this->extendedGCD($n));\n return $gcd;\n }\n\n /**\n * Absolute value.\n *\n * @return Math_BigInteger\n * @access public\n */\n function abs()\n {\n $temp = new Math_BigInteger();\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp->value = gmp_abs($this->value);\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value;\n break;\n default:\n $temp->value = $this->value;\n }\n\n return $temp;\n }\n\n /**\n * Compares two numbers.\n *\n * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite. The reason for this is\n * demonstrated thusly:\n *\n * $x > $y: $x->compare($y) > 0\n * $x < $y: $x->compare($y) < 0\n * $x == $y: $x->compare($y) == 0\n *\n * Note how the same comparison operator is used. If you want to test for equality, use $x->equals($y).\n *\n * @param Math_BigInteger $y\n * @return Integer < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.\n * @access public\n * @see equals()\n * @internal Could return $this->subtract($x), but that's not as fast as what we do do.\n */\n function compare($y)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n return gmp_cmp($this->value, $y->value);\n case MATH_BIGINTEGER_MODE_BCMATH:\n return bccomp($this->value, $y->value, 0);\n }\n\n return $this->_compare($this->value, $this->is_negative, $y->value, $y->is_negative);\n }\n\n /**\n * Compares two numbers.\n *\n * @param Array $x_value\n * @param Boolean $x_negative\n * @param Array $y_value\n * @param Boolean $y_negative\n * @return Integer\n * @see compare()\n * @access private\n */\n function _compare($x_value, $x_negative, $y_value, $y_negative)\n {\n if ( $x_negative != $y_negative ) {\n return ( !$x_negative && $y_negative ) ? 1 : -1;\n }\n\n $result = $x_negative ? -1 : 1;\n\n if ( count($x_value) != count($y_value) ) {\n return ( count($x_value) > count($y_value) ) ? $result : -$result;\n }\n $size = max(count($x_value), count($y_value));\n\n $x_value = array_pad($x_value, $size, 0);\n $y_value = array_pad($y_value, $size, 0);\n\n for ($i = count($x_value) - 1; $i >= 0; --$i) {\n if ($x_value[$i] != $y_value[$i]) {\n return ( $x_value[$i] > $y_value[$i] ) ? $result : -$result;\n }\n }\n\n return 0;\n }\n\n /**\n * Tests the equality of two numbers.\n *\n * If you need to see if one number is greater than or less than another number, use Math_BigInteger::compare()\n *\n * @param Math_BigInteger $x\n * @return Boolean\n * @access public\n * @see compare()\n */\n function equals($x)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n return gmp_cmp($this->value, $x->value) == 0;\n default:\n return $this->value === $x->value && $this->is_negative == $x->is_negative;\n }\n }\n\n /**\n * Set Precision\n *\n * Some bitwise operations give different results depending on the precision being used. Examples include left\n * shift, not, and rotates.\n *\n * @param Integer $bits\n * @access public\n */\n function setPrecision($bits)\n {\n $this->precision = $bits;\n if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ) {\n $this->bitmask = new Math_BigInteger(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256);\n } else {\n $this->bitmask = new Math_BigInteger(bcpow('2', $bits, 0));\n }\n\n $temp = $this->_normalize($this);\n $this->value = $temp->value;\n }\n\n /**\n * Logical And\n *\n * @param Math_BigInteger $x\n * @access public\n * @internal Implemented per a request by Lluis Pamies i Juarez \n * @return Math_BigInteger\n */\n function bitwise_and($x)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_and($this->value, $x->value);\n\n return $this->_normalize($temp);\n case MATH_BIGINTEGER_MODE_BCMATH:\n $left = $this->toBytes();\n $right = $x->toBytes();\n\n $length = max(strlen($left), strlen($right));\n\n $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);\n $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);\n\n return $this->_normalize(new Math_BigInteger($left & $right, 256));\n }\n\n $result = $this->copy();\n\n $length = min(count($x->value), count($this->value));\n\n $result->value = array_slice($result->value, 0, $length);\n\n for ($i = 0; $i < $length; ++$i) {\n $result->value[$i]&= $x->value[$i];\n }\n\n return $this->_normalize($result);\n }\n\n /**\n * Logical Or\n *\n * @param Math_BigInteger $x\n * @access public\n * @internal Implemented per a request by Lluis Pamies i Juarez \n * @return Math_BigInteger\n */\n function bitwise_or($x)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_or($this->value, $x->value);\n\n return $this->_normalize($temp);\n case MATH_BIGINTEGER_MODE_BCMATH:\n $left = $this->toBytes();\n $right = $x->toBytes();\n\n $length = max(strlen($left), strlen($right));\n\n $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);\n $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);\n\n return $this->_normalize(new Math_BigInteger($left | $right, 256));\n }\n\n $length = max(count($this->value), count($x->value));\n $result = $this->copy();\n $result->value = array_pad($result->value, $length, 0);\n $x->value = array_pad($x->value, $length, 0);\n\n for ($i = 0; $i < $length; ++$i) {\n $result->value[$i]|= $x->value[$i];\n }\n\n return $this->_normalize($result);\n }\n\n /**\n * Logical Exclusive-Or\n *\n * @param Math_BigInteger $x\n * @access public\n * @internal Implemented per a request by Lluis Pamies i Juarez \n * @return Math_BigInteger\n */\n function bitwise_xor($x)\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n $temp = new Math_BigInteger();\n $temp->value = gmp_xor($this->value, $x->value);\n\n return $this->_normalize($temp);\n case MATH_BIGINTEGER_MODE_BCMATH:\n $left = $this->toBytes();\n $right = $x->toBytes();\n\n $length = max(strlen($left), strlen($right));\n\n $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);\n $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);\n\n return $this->_normalize(new Math_BigInteger($left ^ $right, 256));\n }\n\n $length = max(count($this->value), count($x->value));\n $result = $this->copy();\n $result->value = array_pad($result->value, $length, 0);\n $x->value = array_pad($x->value, $length, 0);\n\n for ($i = 0; $i < $length; ++$i) {\n $result->value[$i]^= $x->value[$i];\n }\n\n return $this->_normalize($result);\n }\n\n /**\n * Logical Not\n *\n * @access public\n * @internal Implemented per a request by Lluis Pamies i Juarez \n * @return Math_BigInteger\n */\n function bitwise_not()\n {\n // calculuate \"not\" without regard to $this->precision\n // (will always result in a smaller number. ie. ~1 isn't 1111 1110 - it's 0)\n $temp = $this->toBytes();\n $pre_msb = decbin(ord($temp[0]));\n $temp = ~$temp;\n $msb = decbin(ord($temp[0]));\n if (strlen($msb) == 8) {\n $msb = substr($msb, strpos($msb, '0'));\n }\n $temp[0] = chr(bindec($msb));\n\n // see if we need to add extra leading 1's\n $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8;\n $new_bits = $this->precision - $current_bits;\n if ($new_bits <= 0) {\n return $this->_normalize(new Math_BigInteger($temp, 256));\n }\n\n // generate as many leading 1's as we need to.\n $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3);\n $this->_base256_lshift($leading_ones, $current_bits);\n\n $temp = str_pad($temp, ceil($this->bits / 8), chr(0), STR_PAD_LEFT);\n\n return $this->_normalize(new Math_BigInteger($leading_ones | $temp, 256));\n }\n\n /**\n * Logical Right Shift\n *\n * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.\n *\n * @param Integer $shift\n * @return Math_BigInteger\n * @access public\n * @internal The only version that yields any speed increases is the internal version.\n */\n function bitwise_rightShift($shift)\n {\n $temp = new Math_BigInteger();\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n static $two;\n\n if (!isset($two)) {\n $two = gmp_init('2');\n }\n\n $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift));\n\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0);\n\n break;\n default: // could just replace _lshift with this, but then all _lshift() calls would need to be rewritten\n // and I don't want to do that...\n $temp->value = $this->value;\n $temp->_rshift($shift);\n }\n\n return $this->_normalize($temp);\n }\n\n /**\n * Logical Left Shift\n *\n * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.\n *\n * @param Integer $shift\n * @return Math_BigInteger\n * @access public\n * @internal The only version that yields any speed increases is the internal version.\n */\n function bitwise_leftShift($shift)\n {\n $temp = new Math_BigInteger();\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n static $two;\n\n if (!isset($two)) {\n $two = gmp_init('2');\n }\n\n $temp->value = gmp_mul($this->value, gmp_pow($two, $shift));\n\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0);\n\n break;\n default: // could just replace _rshift with this, but then all _lshift() calls would need to be rewritten\n // and I don't want to do that...\n $temp->value = $this->value;\n $temp->_lshift($shift);\n }\n\n return $this->_normalize($temp);\n }\n\n /**\n * Logical Left Rotate\n *\n * Instead of the top x bits being dropped they're appended to the shifted bit string.\n *\n * @param Integer $shift\n * @return Math_BigInteger\n * @access public\n */\n function bitwise_leftRotate($shift)\n {\n $bits = $this->toBytes();\n\n if ($this->precision > 0) {\n $precision = $this->precision;\n if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) {\n $mask = $this->bitmask->subtract(new Math_BigInteger(1));\n $mask = $mask->toBytes();\n } else {\n $mask = $this->bitmask->toBytes();\n }\n } else {\n $temp = ord($bits[0]);\n for ($i = 0; $temp >> $i; ++$i);\n $precision = 8 * strlen($bits) - 8 + $i;\n $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3);\n }\n\n if ($shift < 0) {\n $shift+= $precision;\n }\n $shift%= $precision;\n\n if (!$shift) {\n return $this->copy();\n }\n\n $left = $this->bitwise_leftShift($shift);\n $left = $left->bitwise_and(new Math_BigInteger($mask, 256));\n $right = $this->bitwise_rightShift($precision - $shift);\n $result = MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right);\n return $this->_normalize($result);\n }\n\n /**\n * Logical Right Rotate\n *\n * Instead of the bottom x bits being dropped they're prepended to the shifted bit string.\n *\n * @param Integer $shift\n * @return Math_BigInteger\n * @access public\n */\n function bitwise_rightRotate($shift)\n {\n return $this->bitwise_leftRotate(-$shift);\n }\n\n /**\n * Set random number generator function\n *\n * This function is deprecated.\n *\n * @param String $generator\n * @access public\n */\n function setRandomGenerator($generator)\n {\n }\n\n /**\n * Generates a random BigInteger\n *\n * Byte length is equal to $length. Uses crypt_random if it's loaded and mt_rand if it's not.\n *\n * @param Integer $length\n * @return Math_BigInteger\n * @access private\n */\n function _random_number_helper($size)\n {\n $crypt_random = function_exists('crypt_random_string') || (!class_exists('Crypt_Random') && function_exists('crypt_random_string'));\n if ($crypt_random) {\n $random = crypt_random_string($size);\n } else {\n $random = '';\n\n if ($size & 1) {\n $random.= chr(mt_rand(0, 255));\n }\n\n $blocks = $size >> 1;\n for ($i = 0; $i < $blocks; ++$i) {\n // mt_rand(-2147483648, 0x7FFFFFFF) always produces -2147483648 on some systems\n $random.= pack('n', mt_rand(0, 0xFFFF));\n }\n }\n\n return new Math_BigInteger($random, 256);\n }\n\n /**\n * Generate a random number\n *\n * @param optional Integer $min\n * @param optional Integer $max\n * @return Math_BigInteger\n * @access public\n */\n function random($min = false, $max = false)\n {\n if ($min === false) {\n $min = new Math_BigInteger(0);\n }\n\n if ($max === false) {\n $max = new Math_BigInteger(0x7FFFFFFF);\n }\n\n $compare = $max->compare($min);\n\n if (!$compare) {\n return $this->_normalize($min);\n } else if ($compare < 0) {\n // if $min is bigger then $max, swap $min and $max\n $temp = $max;\n $max = $min;\n $min = $temp;\n }\n\n static $one;\n if (!isset($one)) {\n $one = new Math_BigInteger(1);\n }\n\n $max = $max->subtract($min->subtract($one));\n $size = strlen(ltrim($max->toBytes(), chr(0)));\n\n /*\n doing $random % $max doesn't work because some numbers will be more likely to occur than others.\n eg. if $max is 140 and $random's max is 255 then that'd mean both $random = 5 and $random = 145\n would produce 5 whereas the only value of random that could produce 139 would be 139. ie.\n not all numbers would be equally likely. some would be more likely than others.\n\n creating a whole new random number until you find one that is within the range doesn't work\n because, for sufficiently small ranges, the likelihood that you'd get a number within that range\n would be pretty small. eg. with $random's max being 255 and if your $max being 1 the probability\n would be pretty high that $random would be greater than $max.\n\n phpseclib works around this using the technique described here:\n\n http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string\n */\n $random_max = new Math_BigInteger(chr(1) . str_repeat(\"\\0\", $size), 256);\n $random = $this->_random_number_helper($size);\n\n list($max_multiple) = $random_max->divide($max);\n $max_multiple = $max_multiple->multiply($max);\n\n while ($random->compare($max_multiple) >= 0) {\n $random = $random->subtract($max_multiple);\n $random_max = $random_max->subtract($max_multiple);\n $random = $random->bitwise_leftShift(8);\n $random = $random->add($this->_random_number_helper(1));\n $random_max = $random_max->bitwise_leftShift(8);\n list($max_multiple) = $random_max->divide($max);\n $max_multiple = $max_multiple->multiply($max);\n }\n list(, $random) = $random->divide($max);\n\n return $this->_normalize($random->add($min));\n }\n\n /**\n * Generate a random prime number.\n *\n * If there's not a prime within the given range, false will be returned. If more than $timeout seconds have elapsed,\n * give up and return false.\n *\n * @param optional Integer $min\n * @param optional Integer $max\n * @param optional Integer $timeout\n * @return Math_BigInteger\n * @access public\n * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=15 HAC 4.44}.\n */\n function randomPrime($min = false, $max = false, $timeout = false)\n {\n if ($min === false) {\n $min = new Math_BigInteger(0);\n }\n\n if ($max === false) {\n $max = new Math_BigInteger(0x7FFFFFFF);\n }\n\n $compare = $max->compare($min);\n\n if (!$compare) {\n return $min->isPrime() ? $min : false;\n } else if ($compare < 0) {\n // if $min is bigger then $max, swap $min and $max\n $temp = $max;\n $max = $min;\n $min = $temp;\n }\n\n static $one, $two;\n if (!isset($one)) {\n $one = new Math_BigInteger(1);\n $two = new Math_BigInteger(2);\n }\n\n $start = time();\n\n $x = $this->random($min, $max);\n\n // gmp_nextprime() requires PHP 5 >= 5.2.0 per .\n if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_GMP && function_exists('gmp_nextprime') ) {\n $p = new Math_BigInteger();\n $p->value = gmp_nextprime($x->value);\n\n if ($p->compare($max) <= 0) {\n return $p;\n }\n\n if (!$min->equals($x)) {\n $x = $x->subtract($one);\n }\n\n return $x->randomPrime($min, $x);\n }\n\n if ($x->equals($two)) {\n return $x;\n }\n\n $x->_make_odd();\n if ($x->compare($max) > 0) {\n // if $x > $max then $max is even and if $min == $max then no prime number exists between the specified range\n if ($min->equals($max)) {\n return false;\n }\n $x = $min->copy();\n $x->_make_odd();\n }\n\n $initial_x = $x->copy();\n\n while (true) {\n if ($timeout !== false && time() - $start > $timeout) {\n return false;\n }\n\n if ($x->isPrime()) {\n return $x;\n }\n\n $x = $x->add($two);\n\n if ($x->compare($max) > 0) {\n $x = $min->copy();\n if ($x->equals($two)) {\n return $x;\n }\n $x->_make_odd();\n }\n\n if ($x->equals($initial_x)) {\n return false;\n }\n }\n }\n\n /**\n * Make the current number odd\n *\n * If the current number is odd it'll be unchanged. If it's even, one will be added to it.\n *\n * @see randomPrime()\n * @access private\n */\n function _make_odd()\n {\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n gmp_setbit($this->value, 0);\n break;\n case MATH_BIGINTEGER_MODE_BCMATH:\n if ($this->value[strlen($this->value) - 1] % 2 == 0) {\n $this->value = bcadd($this->value, '1');\n }\n break;\n default:\n $this->value[0] |= 1;\n }\n }\n\n /**\n * Checks a numer to see if it's prime\n *\n * Assuming the $t parameter is not set, this function has an error rate of 2**-80. The main motivation for the\n * $t parameter is distributability. Math_BigInteger::randomPrime() can be distributed accross multiple pageloads\n * on a website instead of just one.\n *\n * @param optional Integer $t\n * @return Boolean\n * @access public\n * @internal Uses the\n * {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}. See\n * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=8 HAC 4.24}.\n */\n function isPrime($t = false)\n {\n $length = strlen($this->toBytes());\n\n if (!$t) {\n // see HAC 4.49 \"Note (controlling the error probability)\"\n // @codingStandardsIgnoreStart\n if ($length >= 163) { $t = 2; } // floor(1300 / 8)\n else if ($length >= 106) { $t = 3; } // floor( 850 / 8)\n else if ($length >= 81 ) { $t = 4; } // floor( 650 / 8)\n else if ($length >= 68 ) { $t = 5; } // floor( 550 / 8)\n else if ($length >= 56 ) { $t = 6; } // floor( 450 / 8)\n else if ($length >= 50 ) { $t = 7; } // floor( 400 / 8)\n else if ($length >= 43 ) { $t = 8; } // floor( 350 / 8)\n else if ($length >= 37 ) { $t = 9; } // floor( 300 / 8)\n else if ($length >= 31 ) { $t = 12; } // floor( 250 / 8)\n else if ($length >= 25 ) { $t = 15; } // floor( 200 / 8)\n else if ($length >= 18 ) { $t = 18; } // floor( 150 / 8)\n else { $t = 27; }\n // @codingStandardsIgnoreEnd\n }\n\n // ie. gmp_testbit($this, 0)\n // ie. isEven() or !isOdd()\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n return gmp_prob_prime($this->value, $t) != 0;\n case MATH_BIGINTEGER_MODE_BCMATH:\n if ($this->value === '2') {\n return true;\n }\n if ($this->value[strlen($this->value) - 1] % 2 == 0) {\n return false;\n }\n break;\n default:\n if ($this->value == array(2)) {\n return true;\n }\n if (~$this->value[0] & 1) {\n return false;\n }\n }\n\n static $primes, $zero, $one, $two;\n\n if (!isset($primes)) {\n $primes = array(\n 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59,\n 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137,\n 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227,\n 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313,\n 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,\n 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509,\n 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617,\n 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727,\n 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,\n 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947,\n 953, 967, 971, 977, 983, 991, 997\n );\n\n if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL ) {\n for ($i = 0; $i < count($primes); ++$i) {\n $primes[$i] = new Math_BigInteger($primes[$i]);\n }\n }\n\n $zero = new Math_BigInteger();\n $one = new Math_BigInteger(1);\n $two = new Math_BigInteger(2);\n }\n\n if ($this->equals($one)) {\n return false;\n }\n\n // see HAC 4.4.1 \"Random search for probable primes\"\n if ( MATH_BIGINTEGER_MODE != MATH_BIGINTEGER_MODE_INTERNAL ) {\n foreach ($primes as $prime) {\n list(, $r) = $this->divide($prime);\n if ($r->equals($zero)) {\n return $this->equals($prime);\n }\n }\n } else {\n $value = $this->value;\n foreach ($primes as $prime) {\n list(, $r) = $this->_divide_digit($value, $prime);\n if (!$r) {\n return count($value) == 1 && $value[0] == $prime;\n }\n }\n }\n\n $n = $this->copy();\n $n_1 = $n->subtract($one);\n $n_2 = $n->subtract($two);\n\n $r = $n_1->copy();\n $r_value = $r->value;\n // ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));\n if ( MATH_BIGINTEGER_MODE == MATH_BIGINTEGER_MODE_BCMATH ) {\n $s = 0;\n // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals($one) check earlier\n while ($r->value[strlen($r->value) - 1] % 2 == 0) {\n $r->value = bcdiv($r->value, '2', 0);\n ++$s;\n }\n } else {\n for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) {\n $temp = ~$r_value[$i] & 0xFFFFFF;\n for ($j = 1; ($temp >> $j) & 1; ++$j);\n if ($j != 25) {\n break;\n }\n }\n $s = 26 * $i + $j - 1;\n $r->_rshift($s);\n }\n\n for ($i = 0; $i < $t; ++$i) {\n $a = $this->random($two, $n_2);\n $y = $a->modPow($r, $n);\n\n if (!$y->equals($one) && !$y->equals($n_1)) {\n for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) {\n $y = $y->modPow($two, $n);\n if ($y->equals($one)) {\n return false;\n }\n }\n\n if (!$y->equals($n_1)) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * Logical Left Shift\n *\n * Shifts BigInteger's by $shift bits.\n *\n * @param Integer $shift\n * @access private\n */\n function _lshift($shift)\n {\n if ( $shift == 0 ) {\n return;\n }\n\n $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE);\n $shift %= MATH_BIGINTEGER_BASE;\n $shift = 1 << $shift;\n\n $carry = 0;\n\n for ($i = 0; $i < count($this->value); ++$i) {\n $temp = $this->value[$i] * $shift + $carry;\n $carry = (int) ($temp / MATH_BIGINTEGER_BASE_FULL);\n $this->value[$i] = (int) ($temp - $carry * MATH_BIGINTEGER_BASE_FULL);\n }\n\n if ( $carry ) {\n $this->value[] = $carry;\n }\n\n while ($num_digits--) {\n array_unshift($this->value, 0);\n }\n }\n\n /**\n * Logical Right Shift\n *\n * Shifts BigInteger's by $shift bits.\n *\n * @param Integer $shift\n * @access private\n */\n function _rshift($shift)\n {\n if ($shift == 0) {\n return;\n }\n\n $num_digits = (int) ($shift / MATH_BIGINTEGER_BASE);\n $shift %= MATH_BIGINTEGER_BASE;\n $carry_shift = MATH_BIGINTEGER_BASE - $shift;\n $carry_mask = (1 << $shift) - 1;\n\n if ( $num_digits ) {\n $this->value = array_slice($this->value, $num_digits);\n }\n\n $carry = 0;\n\n for ($i = count($this->value) - 1; $i >= 0; --$i) {\n $temp = $this->value[$i] >> $shift | $carry;\n $carry = ($this->value[$i] & $carry_mask) << $carry_shift;\n $this->value[$i] = $temp;\n }\n\n $this->value = $this->_trim($this->value);\n }\n\n /**\n * Normalize\n *\n * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision\n *\n * @param Math_BigInteger\n * @return Math_BigInteger\n * @see _trim()\n * @access private\n */\n function _normalize($result)\n {\n $result->precision = $this->precision;\n $result->bitmask = $this->bitmask;\n\n switch ( MATH_BIGINTEGER_MODE ) {\n case MATH_BIGINTEGER_MODE_GMP:\n if (!empty($result->bitmask->value)) {\n $result->value = gmp_and($result->value, $result->bitmask->value);\n }\n\n return $result;\n case MATH_BIGINTEGER_MODE_BCMATH:\n if (!empty($result->bitmask->value)) {\n $result->value = bcmod($result->value, $result->bitmask->value);\n }\n\n return $result;\n }\n\n $value = &$result->value;\n\n if ( !count($value) ) {\n return $result;\n }\n\n $value = $this->_trim($value);\n\n if (!empty($result->bitmask->value)) {\n $length = min(count($value), count($this->bitmask->value));\n $value = array_slice($value, 0, $length);\n\n for ($i = 0; $i < $length; ++$i) {\n $value[$i] = $value[$i] & $this->bitmask->value[$i];\n }\n }\n\n return $result;\n }\n\n /**\n * Trim\n *\n * Removes leading zeros\n *\n * @param Array $value\n * @return Math_BigInteger\n * @access private\n */\n function _trim($value)\n {\n for ($i = count($value) - 1; $i >= 0; --$i) {\n if ( $value[$i] ) {\n break;\n }\n unset($value[$i]);\n }\n\n return $value;\n }\n\n /**\n * Array Repeat\n *\n * @param $input Array\n * @param $multiplier mixed\n * @return Array\n * @access private\n */\n function _array_repeat($input, $multiplier)\n {\n return ($multiplier) ? array_fill(0, $multiplier, $input) : array();\n }\n\n /**\n * Logical Left Shift\n *\n * Shifts binary strings $shift bits, essentially multiplying by 2**$shift.\n *\n * @param $x String\n * @param $shift Integer\n * @return String\n * @access private\n */\n function _base256_lshift(&$x, $shift)\n {\n if ($shift == 0) {\n return;\n }\n\n $num_bytes = $shift >> 3; // eg. floor($shift/8)\n $shift &= 7; // eg. $shift % 8\n\n $carry = 0;\n for ($i = strlen($x) - 1; $i >= 0; --$i) {\n $temp = ord($x[$i]) << $shift | $carry;\n $x[$i] = chr($temp);\n $carry = $temp >> 8;\n }\n $carry = ($carry != 0) ? chr($carry) : '';\n $x = $carry . $x . str_repeat(chr(0), $num_bytes);\n }\n\n /**\n * Logical Right Shift\n *\n * Shifts binary strings $shift bits, essentially dividing by 2**$shift and returning the remainder.\n *\n * @param $x String\n * @param $shift Integer\n * @return String\n * @access private\n */\n function _base256_rshift(&$x, $shift)\n {\n if ($shift == 0) {\n $x = ltrim($x, chr(0));\n return '';\n }\n\n $num_bytes = $shift >> 3; // eg. floor($shift/8)\n $shift &= 7; // eg. $shift % 8\n\n $remainder = '';\n if ($num_bytes) {\n $start = $num_bytes > strlen($x) ? -strlen($x) : -$num_bytes;\n $remainder = substr($x, $start);\n $x = substr($x, 0, -$num_bytes);\n }\n\n $carry = 0;\n $carry_shift = 8 - $shift;\n for ($i = 0; $i < strlen($x); ++$i) {\n $temp = (ord($x[$i]) >> $shift) | $carry;\n $carry = (ord($x[$i]) << $carry_shift) & 0xFF;\n $x[$i] = chr($temp);\n }\n $x = ltrim($x, chr(0));\n\n $remainder = chr($carry >> $carry_shift) . $remainder;\n\n return ltrim($remainder, chr(0));\n }\n\n // one quirk about how the following functions are implemented is that PHP defines N to be an unsigned long\n // at 32-bits, while java's longs are 64-bits.\n\n /**\n * Converts 32-bit integers to bytes.\n *\n * @param Integer $x\n * @return String\n * @access private\n */\n function _int2bytes($x)\n {\n return ltrim(pack('N', $x), chr(0));\n }\n\n /**\n * Converts bytes to 32-bit integers\n *\n * @param String $x\n * @return Integer\n * @access private\n */\n function _bytes2int($x)\n {\n $temp = unpack('Nint', str_pad($x, 4, chr(0), STR_PAD_LEFT));\n return $temp['int'];\n }\n\n /**\n * DER-encode an integer\n *\n * The ability to DER-encode integers is needed to create RSA public keys for use with OpenSSL\n *\n * @see modPow()\n * @access private\n * @param Integer $length\n * @return String\n */\n function _encodeASN1Length($length)\n {\n if ($length <= 0x7F) {\n return chr($length);\n }\n\n $temp = ltrim(pack('N', $length), chr(0));\n return pack('Ca*', 0x80 | strlen($temp), $temp);\n }\n}" }, { "path": "api/v2/MusicAPI.php", "content": "secretKey = $this->createSecretKey(16);\n }\n\n protected function createSecretKey($length)\n {\n $str = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';\n $r = '';\n for ($i = 0; $i < $length; $i++) {\n $r .= $str[rand(0, strlen($str) - 1)];\n }\n return $r;\n }\n\n protected function prepare($data)\n {\n $data['params'] = $this->aesEncrypt($data['params'], self::NONCE);\n $data['params'] = $this->aesEncrypt($data['params'], $this->secretKey);\n $data['encSecKey'] = $this->rsaEncrypt($this->secretKey);\n return $data;\n }\n\n protected function aesEncrypt($secretData, $secret)\n {\n return openssl_encrypt($secretData, 'aes-128-cbc', $secret, false, '0102030405060708');\n }\n\n /**\n * @param $text\n * @return string\n */\n protected function rsaEncrypt($text)\n {\n $rtext = strrev(utf8_encode($text));\n $keytext = $this->bchexdec($this->strToHex($rtext));\n $biText = new Math_BigInteger($keytext);\n $biKey = new Math_BigInteger($this->bchexdec(self::PUBKEY));\n $biMod = new Math_BigInteger($this->bchexdec(self::MODULUS));\n $key = $biText->modPow($biKey, $biMod)->toHex();\n return str_pad($key, 256, '0', STR_PAD_LEFT);\n }\n\n protected function bchexdec($hex)\n {\n $dec = 0;\n $len = strlen($hex);\n for ($i = 0; $i < $len; $i++) {\n $dec = bcadd($dec, bcmul(strval(hexdec($hex[$i])), bcpow('16', strval($len - $i - 1))));\n }\n return $dec;\n }\n\n protected function strToHex($str)\n {\n $hex = '';\n for ($i = 0; $i < strlen($str); $i++) {\n $hex .= dechex(ord($str[$i]));\n }\n return $hex;\n }\n\n protected function curl($url, $data = null)\n {\n $curl = curl_init();\n curl_setopt($curl, CURLOPT_URL, $url);\n if ($data) {\n if (is_array($data)) $data = http_build_query($data);\n curl_setopt($curl, CURLOPT_POSTFIELDS, $data);\n curl_setopt($curl, CURLOPT_POST, 1);\n }\n curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);\n curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);\n curl_setopt($curl, CURLOPT_REFERER, 'http://music.163.com/');\n curl_setopt($curl, CURLOPT_HTTPHEADER, $this->headers);\n curl_setopt($curl, CURLOPT_ENCODING, 'application/json');\n $result = curl_exec($curl);\n curl_close($curl);\n return $result;\n }\n\n /**\n * 搜索API\n * @param $s 要搜索的内容\n * @param $limit 要返回的条数\n * @param $offset 设置偏移量 用于分页\n * @param $type 类型 [1 单曲] [10 专辑] [100 歌手] [1000 歌单] [1002 用户]\n * @return JSON\n */\n public function search($s = null, $limit = 30, $offset = 0, $type = 1)\n {\n $url = 'http://music.163.com/weapi/cloudsearch/get/web?csrf_token=';\n $data = ['params' => '{\n \"s\":\"' . $s . '\",\n \"type\":\"' . $type . '\",\n \"limit\":\"' . $limit . '\",\n \"total\":\"true\",\n \"offset\":\"' . $offset . '\",\n \"csrf_token\": \"\"\n }'];\n return $this->curl($url, $this->prepare($data));\n }\n\n /**\n * 歌曲详情API，不带MP3链接\n * @param $song_id 歌曲id\n * @return JSON\n */\n public function detail($song_id)\n {\n $url = 'http://music.163.com/weapi/v1/song/detail';\n if (is_array($song_id)) $s = '[\"' . implode('\",\"', $song_id) . '\"]'; else $s = '[\"' . $song_id . '\"]';\n $data = ['params' => '{\n \"ids\":' . $s . ',\n \"csrf_token\":\"\"\n }'];\n return $this->curl($url, $this->prepare($data));\n }\n\n /**\n * 新版API歌曲链接不包含在歌曲详情API里,通过此API获取\n * @param $song_id\n * @param int $br\n * @return JSON\n */\n public function mp3url($song_id, $br = 320000)\n {\n $url = 'http://music.163.com/weapi/song/enhance/player/url?csrf_token=';\n if (is_array($song_id)) $s = '[\"' . implode('\",\"', $song_id) . '\"]'; else $s = '[\"' . $song_id . '\"]';\n $data = ['params' => '{\n \"ids\":' . $s . ',\n \"br\":\"' . $br . '\",\n \"csrf_token\":\"\"\n }'];\n return $this->curl($url, $this->prepare($data));\n }\n\n /**\n * 歌词API 增加了几个字段\n * @param $song_id\n * @return JSON\n */\n public function lyric($song_id)\n {\n $url = 'http://music.163.com/weapi/song/lyric?csrf_token=';\n $data = ['params' => '{\n \"id\":\"' . $song_id . '\",\n \"os\":\"pc\",\n \"lv\":\"-1\",\n \"kv\":\"-1\",\n \"tv\":\"-1\",\n \"csrf_token\":\"\"\n }'];\n return $this->curl($url, $this->prepare($data));\n }\n\n /**\n * 歌单API\n * @param $playlist_id\n * @return JSON\n */\n public function playlist($playlist_id)\n {\n $url = 'http://music.163.com/weapi/v3/playlist/detail?csrf_token=';\n $data = ['params' => '{\n \"id\":\"' . $playlist_id . '\",\n \"n\":\"1000\",\n \"csrf_token\":\"\"\n }'];\n return $this->curl($url, $this->prepare($data));\n }\n\n /**\n * 根据MVid(如果有)获取MV链接\n * @param $mv_id\n * @return JSON\n */\n public function mv($mv_id)\n {\n $url = 'http://music.163.com/weapi/mv/detail/';\n $data = ['params' => '{\n \"id\":\"' . $mv_id . '\",\n \"csrf_token\":\"\"\n }'];\n return $this->curl($url, $this->prepare($data));\n }\n\n}" }, { "path": "dist/fonts/themicons.css", "content": "@font-face {\n font-family: \"themicons\";\n src: url(\"themicons.eot\"); /* IE9 */\n src: url(\"themicons.eot?#iefix\") format(\"embedded-opentype\"), /* IE6-IE8 */\n url(\"themicons.woff\") format(\"woff\"), /* chrome, firefox */\n url(\"themicons.ttf\") format(\"truetype\"), /* chrome, firefox, opera, Safari, Android, iOS 4.2+ */\n url(\"themicons.svg#themicons\") format(\"svg\"); /* iOS 4.1- */\n font-style: normal;\n font-weight: normal;\n}\n\n\n" }, { "path": "gulpfile.js", "content": "var gulp = require('gulp'),\n minifycss = require('gulp-minify-css'),\n concat = require('gulp-concat'),\n rename = require('gulp-rename'),\n uglify = require('gulp-uglify'),\n fontmin = require('gulp-fontmin');\n \n//压缩css\ngulp.task('minifycss', function() {\n return gulp.src('src/css/*.css') //需要操作的文件\n .pipe(rename({ suffix: '.min' })) //rename压缩后的文件名\n .pipe(minifycss()) //执行压缩\n .pipe(gulp.dest('dist/css')); //输出文件夹\n});\n//压缩js \ngulp.task('scripts', function() {\n return gulp.src(['src/js/vue.min.js', 'src/js/vue-resource.min.js', 'src/js/vplayer.js'])\n .pipe(concat('app.js'))\n .pipe(rename({ suffix: '.min' }))\n .pipe(uglify())\n .pipe(gulp.dest('dist/js'));\n});\n\n//压缩图标字体\ngulp.task('fontmin', function () {\n return gulp.src('src/fonts/*.ttf')\n .pipe(fontmin())\n .pipe(gulp.dest('dist/fonts'));\n});\n\n//gulp watch\ngulp.task('watch', function () { \n gulp.watch('src/css/*.css', ['minifycss']); \n gulp.watch('src/js/*.js', ['scripts']); \n});\n" }, { "path": "index.html", "content": "\n\n\n\n \n \n \n \n \n \n vPlayer\n \n\n\n\n
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{{lrc[1]}}

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New Song!

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Enjoy music from NetEaseCloud!

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\n Let's Go\n

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#歌曲名歌手专辑
\n \n {{ list.name }}\n = 1\">{{list.ar[0].name}}\n = 2\">/ {{list.ar[1].name}}\n = 3\">/ {{list.ar[2].name}}\n = 4\">/ {{list.ar[3].name}}\n = 5\">/ {{list.ar[4].name}}\n {{ '《' +list.al.name+ '》'}}
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\n {{ showCurrentTime }} /\n {{ showDurationTime }}\n
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    \n
  1. \n \n \n {{ paly.title }}\n {{ paly.artists }}\n \n \n X\n
    2. \n
\n
\n
\n
\n
\n {{ playingTitle }} -\n {{ playingArtist }}\n
\n {{ showCurrentTime }} /\n {{ showDurationTime }}\n
\n
\n \n
\n \n\n\n\n" }, { "path": "package.json", "content": "{\n \"name\": \"vPlayer\",\n \"version\": \"1.0.0\",\n \"description\": \"用vuejs写的播放器，API基于网易云, 具体效果请查看Demo\",\n \"main\": \"index.js\",\n \"scripts\": {\n \"test\": \"echo \\\"Error: no test specified\\\" && exit 1\"\n },\n \"repository\": {\n \"type\": \"git\",\n \"url\": \"git+https://github.com/axhello/vPlayer.git\"\n },\n \"keywords\": [],\n \"author\": \"Axhello\",\n \"license\": \"MIT\",\n \"bugs\": {\n \"url\": \"https://github.com/axhello/vPlayer/issues\"\n },\n \"homepage\": \"https://github.com/axhello/vPlayer#readme\",\n \"devDependencies\": {\n \"gulp\": \"^3.9.1\",\n \"gulp-concat\": \"^2.6.0\",\n \"gulp-fontmin\": \"^0.7.4\",\n \"gulp-iconfont\": \"^8.0.1\",\n \"gulp-minify-css\": \"^1.2.4\",\n \"gulp-rename\": \"^1.2.2\",\n \"gulp-uglify\": \"^2.0.0\"\n }\n}\n" }, { "path": "src/css/vplayer.css", "content": "/**\n * normalize.css v3.0.2 | MIT License | git.io/normalize\n * -----------------------------------------------------------------------------\n */\n\nhtml {\n -webkit-text-size-adjust: 100%;\n -ms-text-size-adjust: 100%;\n}\n\n#app {\n width: 100%;\n height: 100%;\n}\n\n@font-face {\n font-family: \"themicons\";\n src: url(\"../fonts/themicons.eot\") format(\"eot\"), url(\"../fonts/themicons.woff\") format(\"woff\"), url(\"../fonts/themicons.ttf\") format(\"truetype\");\n font-weight: normal;\n font-style: normal;\n}\n\n.themicon {\n display: inline-block;\n font-family: \"themicons\";\n font-size: 16px;\n font-style: normal;\n font-weight: normal;\n line-height: 1;\n speak: none;\n text-decoration: inherit;\n text-transform: none;\n vertical-align: middle;\n -moz-osx-font-smoothing: grayscale;\n -webkit-font-smoothing: antialiased;\n}\n\nbody {\n margin: 0;\n}\n\narticle,\naside,\ndetails,\nfigcaption,\nfigure,\nfooter,\nheader,\nhgroup,\nmain,\nmenu,\nnav,\nsection,\nsummary {\n display: block;\n}\n\naudio,\ncanvas,\nprogress,\nvideo {\n display: inline-block;\n vertical-align: baseline;\n}\n\naudio:not([controls]) {\n display: none;\n height: 0;\n}\n\n[hidden],\ntemplate {\n display: none;\n}\n\na {\n background-color: transparent;\n}\n\na:active,\na:hover {\n outline: 0;\n}\n\nabbr[title] {\n border-bottom: 1px dotted;\n}\n\nb,\nstrong {\n font-weight: bold;\n}\n\ndfn {\n font-style: italic;\n}\n\nh1 {\n font-size: 2em;\n margin: 0.67em 0;\n}\n\nmark {\n background: #ff0;\n color: #000;\n}\n\nsmall {\n font-size: 80%;\n}\n\nsub,\nsup {\n font-size: 75%;\n line-height: 0;\n position: relative;\n vertical-align: baseline;\n}\n\nsup {\n top: -0.5em;\n}\n\nsub {\n bottom: -0.25em;\n}\n\nimg {\n border: 0;\n}\n\nsvg:not(:root) {\n overflow: hidden;\n}\n\nfigure {\n margin: 1em 40px;\n}\n\nhr {\n -moz-box-sizing: content-box;\n box-sizing: content-box;\n height: 0;\n}\n\npre {\n overflow: auto;\n}\n\ncode,\nkbd,\npre,\nsamp {\n font-family: monospace, monospace;\n font-size: 1em;\n}\n\nbutton,\ninput,\noptgroup,\nselect,\ntextarea {\n color: inherit;\n font: inherit;\n margin: 0;\n}\n\nbutton {\n overflow: visible;\n}\n\nbutton,\nselect {\n text-transform: none;\n}\n\nbutton,\nhtml input[type=\"button\"],\ninput[type=\"reset\"],\ninput[type=\"submit\"] {\n cursor: pointer;\n -webkit-appearance: button;\n}\n\nbutton[disabled],\nhtml input[disabled] {\n cursor: default;\n}\n\nbutton::-moz-focus-inner,\ninput::-moz-focus-inner {\n border: 0;\n padding: 0;\n}\n\ninput {\n line-height: normal;\n}\n\ninput[type=\"checkbox\"],\ninput[type=\"radio\"] {\n -moz-box-sizing: border-box;\n box-sizing: border-box;\n padding: 0;\n}\n\ninput[type=\"number\"]::-webkit-inner-spin-button,\ninput[type=\"number\"]::-webkit-outer-spin-button {\n height: auto;\n}\n\ninput[type=\"search\"] {\n -moz-box-sizing: content-box;\n box-sizing: content-box;\n -webkit-appearance: textfield;\n}\n\ninput[type=\"search\"]::-webkit-search-cancel-button,\ninput[type=\"search\"]::-webkit-search-decoration {\n -webkit-appearance: none;\n}\n\nfieldset {\n border: 1px solid #c0c0c0;\n margin: 0 2px;\n padding: 0.35em 0.625em 0.75em;\n}\n\nlegend {\n border: 0;\n padding: 0;\n}\n\ntextarea {\n overflow: auto;\n}\n\noptgroup {\n font-weight: bold;\n}\n\ntable {\n border-collapse: collapse;\n border-spacing: 0;\n}\n\ntd,\nth {\n padding: 0;\n}\n\n/**\n * Typography\n * -----------------------------------------------------------------------------\n */\n\n\nbody {\n color: #333;\n font-family: \"Helvetica Neue\",Helvetica,Arial,sans-serif;\n font-size: 14px;\n line-height: 1.42857143;\n color: #333;\n}\nbody {\n font-family: \"Helvetica Neue\",Helvetica,Arial,\"Hiragino Sans GB\",\"Hiragino Sans GB W3\",\"WenQuanYi Micro Hei\",sans-serif;\n}\n\nbutton,\ninput,\nselect,\ntextarea,\n.button {\n font-family: \"Roboto\", sans-serif;\n}\n\nh1,\nh2,\nh3,\nh4,\nh5,\nh6 {\n clear: both;\n color: #333;\n font-family: \"Noto Serif\", serif;\n -moz-osx-font-smoothing: grayscale;\n font-weight: 700;\n margin: 0;\n text-rendering: optimizeLegibility;\n}\n\nh1 {\n font-size: 30px;\n font-size: 3rem;\n line-height: 1.25;\n margin: 0.66666667em 0;\n}\n\nh2 {\n font-size: 24px;\n font-size: 2.4rem;\n line-height: 1.25;\n margin: 1em 0;\n}\n\nh3 {\n font-size: 20px;\n font-size: 2rem;\n line-height: 1.25;\n margin: 1.33333333em 0;\n}\n\nh4 {\n font-size: 15px;\n font-size: 1.5rem;\n letter-spacing: 0.1em;\n line-height: 1.25;\n margin: 1.33333333em 0;\n text-transform: uppercase;\n}\n\nh5 {\n font-size: 13px;\n font-size: 1.3rem;\n letter-spacing: 0.1em;\n line-height: 1.25;\n margin: 1.33333333em 0;\n text-transform: uppercase;\n}\n\nh6 {\n font-size: 11px;\n font-size: 1.1rem;\n letter-spacing: 0.1em;\n line-height: 1.25;\n margin: 1.81818182em 0;\n text-transform: uppercase;\n}\n\nb,\nstrong {\n font-weight: 700;\n}\n\ndfn,\ncite,\nem,\ni {\n font-style: italic;\n}\n\nblockquote {\n background-color: #f7f7f7;\n border: solid #dedede;\n border-width: 1px 0;\n color: #555;\n margin-bottom: 1.7em;\n margin-left: 0;\n margin-right: 0;\n padding: 1.33333333em;\n}\n\nblockquote blockquote {\n border-width: 0;\n padding-bottom: 0;\n padding-top: 0;\n}\n\nblockquote p:last-child {\n margin-bottom: 0;\n}\n\nblockquote cite,\nblockquote small {\n color: #333;\n font-size: 15px;\n font-size: 1.5rem;\n}\n\nblockquote cite {\n display: block;\n margin-top: 0.66666667em;\n}\n\naddress {\n font-style: italic;\n margin: 0 0 1.7em;\n}\n\ncode,\nkbd,\ntt,\nvar,\nsamp,\npre {\n font-family: \"Menlo\", \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n -moz-hyphens: none;\n -webkit-hyphens: none;\n hyphens: none;\n -ms-hyphens: none;\n}\n\npre {\n background-color: transparent;\n background-color: rgba(0, 0, 0, 0.01);\n border: 1px solid #dedede;\n line-height: 1.2;\n margin-bottom: 1.7em;\n max-width: 100%;\n overflow: auto;\n padding: 0.8em;\n white-space: pre;\n white-space: pre-wrap;\n word-wrap: break-word;\n}\n\nabbr[title] {\n border-bottom: 1px dotted #dedede;\n cursor: help;\n}\n\nmark,\nins {\n background-color: #fff9c0;\n text-decoration: none;\n}\n\nsup,\nsub {\n font-size: 75%;\n height: 0;\n line-height: 0;\n position: relative;\n vertical-align: baseline;\n}\n\nsup {\n bottom: 1ex;\n}\n\nsub {\n top: 0.5ex;\n}\n\nsmall {\n font-size: 75%;\n}\n\nbig {\n font-size: 125%;\n}\n\n\n/**\n * Elements\n * -----------------------------------------------------------------------------\n */\n\n*,\n*:before,\n*:after {\n -moz-box-sizing: inherit;\n box-sizing: inherit;\n}\n\nhtml {\n -moz-box-sizing: border-box;\n box-sizing: border-box;\n font-size: 62.5%;\n}\n\nbody {\n background-color: #fff;\n}\n\nhr {\n background-color: #dedede;\n border: 0;\n height: 1px;\n margin-bottom: 1.7em;\n}\n\np {\n margin: 0 0 1.7em;\n}\n\nul,\nol {\n margin: 0 0 1.7em;\n}\n\nul {\n list-style-type: disc;\n}\n\nol {\n list-style-type: decimal;\n}\n\nul ul {\n padding-left: 1em;\n}\n\nol ol {\n padding-left: 1.3333em;\n}\n\nul ul,\nol ul {\n list-style-type: circle;\n}\n\nul ol,\nol ol {\n list-style-type: lower-alpha;\n}\n\nol ol ol {\n list-style-type: decimal;\n}\n\nul ul,\nul ol,\nol ol,\nol ul {\n font-size: inherit;\n margin: 0.33333em 0;\n}\n\nul ul,\nol ul {\n padding-left: 1em;\n}\n\nul ol,\nol ol {\n padding-left: 1.44444em;\n}\n\ndl {\n margin: 0 0 1.7em;\n}\n\ndt {\n font-weight: 700;\n}\n\nli,\ndd {\n margin-bottom: 0.19607843em;\n}\n\ndd {\n margin-left: 0;\n}\n\ntable {\n border-collapse: separate;\n border-spacing: 0;\n border-width: 0;\n margin: 0 0 1.7em;\n width: 100%;\n}\n\ncaption {\n color: #333;\n font-size: 30px;\n font-size: 3rem;\n font-weight: 700;\n text-align: left;\n}\n\nth {\n font-weight: 700;\n}\n\ntd {\n font-weight: 400;\n}\n\ntr {\n cursor: pointer;\n}\n\nth,\ntd {\n padding: 10px;\n line-height: 1.5;\n border-bottom: 1px solid #ddd;\n /*text-align: left;*/\n}\n\nthead {\n color: #333;\n font-size: 13px;\n font-size: 1.3rem;\n text-transform: uppercase;\n}\n\nthead th {\n padding: 0.53846154em .5em;\n}\n\nfieldset {\n border-width: 0;\n clear: both;\n margin: 0 0 3.4em;\n padding: 0;\n}\n\nfieldset >:last-child {\n margin-bottom: 0;\n}\n\nlegend {\n border-bottom: 1px solid #dedede;\n color: #333;\n font-size: 13px;\n font-size: 1.3rem;\n font-weight: 700;\n line-height: 1.7;\n margin-bottom: 1.7em;\n padding-bottom: 0.53846154em;\n text-transform: uppercase;\n width: 100%;\n}\n\nimg {\n border: 0;\n height: auto;\n -ms-interpolation-mode: bicubic;\n max-width: 100%;\n vertical-align: middle;\n}\n\nfigure {\n margin: 0;\n}\n\ndel {\n opacity: 0.8;\n}\n\n::-webkit-input-placeholder {\n color: #ababab;\n}\n\n:-moz-placeholder {\n color: #ababab;\n}\n\n::-moz-placeholder {\n color: #ababab;\n opacity: 1;\n}\n\n:-ms-input-placeholder {\n color: #ababab;\n}\n\n\n/**\n * Forms\n * -----------------------------------------------------------------------------\n */\n\nbutton,\ninput,\nselect,\ntextarea {\n background-color: #fff;\n border-radius: 0;\n font-size: 13px;\n font-size: 1.3rem;\n line-height: 1.7;\n margin: 0;\n max-width: 100%;\n vertical-align: baseline;\n}\n\nbutton,\ninput {\n line-height: normal;\n}\n\nlabel {\n color: #555;\n display: inline-block;\n font-weight: 700;\n}\n\ninput,\ntextarea {\n background-image: -webkit-linear-gradient(rgba(255, 255, 255, 0), rgba(255, 255, 255, 0));\n border: 1px solid #dedede;\n}\n\ninput:focus,\ntextarea:focus {\n color: #333;\n outline: 0;\n}\n\nbutton,\ninput[type=\"button\"],\ninput[type=\"reset\"],\ninput[type=\"submit\"],\n.button {\n background-color: #555;\n border: 0;\n border-radius: 0;\n color: #fff;\n cursor: pointer;\n display: inline-block;\n font-family: \"Roboto\", sans-serif;\n font-size: 11px;\n font-size: 1.1rem;\n font-weight: 400;\n letter-spacing: 0.1em;\n line-height: 1.90909091;\n margin-bottom: 0.53846154em;\n padding: 1.11538462em 1.53846154em;\n text-align: center;\n text-decoration: none;\n text-transform: uppercase;\n}\n\nbutton:focus,\ninput[type=\"button\"]:focus,\ninput[type=\"reset\"]:focus,\ninput[type=\"submit\"]:focus,\n.button:focus {\n background-color: #333;\n color: #fff;\n text-decoration: none;\n}\n\n.hover button:hover,\n.hover input[type=\"button\"]:hover,\n.hover input[type=\"reset\"]:hover,\n.hover input[type=\"submit\"]:hover,\n.hover .button:hover {\n background-color: #333;\n color: #fff;\n text-decoration: none;\n}\n\n.button-alt {\n background-color: #dedede;\n color: #000;\n}\n\ninput[type=\"checkbox\"],\ninput[type=\"radio\"] {\n padding: 0;\n}\n\ninput[type=\"search\"] {\n -webkit-appearance: textfield;\n}\n\ninput[type=\"search\"]::-webkit-search-decoration {\n -webkit-appearance: none;\n}\n\nbutton::-moz-focus-inner,\ninput::-moz-focus-inner {\n border: 0;\n padding: 0;\n}\n\ninput[type=\"email\"],\ninput[type=\"password\"],\ninput[type=\"search\"],\ninput[type=\"tel\"],\ninput[type=\"text\"],\ninput[type=\"url\"],\ntextarea {\n color: #555;\n padding: 0.84615385em 1.15384615em;\n width: 100%;\n}\n\ninput[type=\"email\"]:focus,\ninput[type=\"password\"]:focus,\ninput[type=\"search\"]:focus,\ninput[type=\"tel\"]:focus,\ninput[type=\"text\"]:focus,\ninput[type=\"url\"]:focus,\ntextarea:focus {\n border-color: #777;\n color: #333;\n}\n\ninput[type=\"search\"] {\n -moz-box-sizing: border-box;\n box-sizing: border-box;\n}\n\ntextarea {\n overflow: auto;\n vertical-align: top;\n}\n\n\n/**\n * Accessibility\n * -----------------------------------------------------------------------------\n */\n\n.mejs-offscreen,\n.screen-reader-text,\n#wpstats {\n clip: rect(1px, 1px, 1px, 1px);\n height: 1px;\n overflow: hidden;\n position: absolute !important;\n width: 1px;\n}\n\n.site .skip-link {\n background-color: #f1f1f1;\n box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.2);\n color: #21759b;\n display: block;\n font-family: \"Roboto\", sans-serif;\n font-size: 1em;\n font-weight: 400;\n outline: none;\n padding: 1em 2em;\n top: -9999em;\n left: -9999em;\n text-decoration: none;\n text-transform: none;\n}\n\n.site .skip-link:focus {\n clip: auto;\n height: auto;\n position: fixed !important;\n top: 0.5em;\n left: 0.5em;\n width: auto;\n z-index: 100000;\n}\n\n.logged-in .site .skip-link {\n box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);\n font-size: 1em;\n font-weight: 400;\n}\n\n.input-group {\n display: table;\n vertical-align: top;\n}\n.input-group input {\n\tborder-radius: 5px;\n}\n\n/**\n * Clearings\n * -----------------------------------------------------------------------------\n */\n\n.clearfix:before,\n.content-area:before,\n.site:before,\n.site-content:before,\n.clearfix:after,\n.content-area:after,\n.site:after,\n.site-content:after {\n content: \" \";\n display: table;\n}\n\n.clearfix:after,\n.content-area:after,\n.site:after,\n.site-content:after {\n clear: both;\n}\n\n\n/**\n * Animations\n * -----------------------------------------------------------------------------\n */\n\n.fade-in {\n -webkit-animation: fade-in 0.4s linear;\n animation: fade-in 0.4s linear;\n -webkit-backface-visibility: hidden;\n backface-visibility: hidden;\n -webkit-transform: translatez();\n transform: translatez();\n}\n\n@-webkit-keyframes fade-in {\n 0% {\n opacity: 0;\n }\n 100% {\n opacity: 1;\n }\n}\n\n@keyframes fade-in {\n 0% {\n opacity: 0;\n }\n 100% {\n opacity: 1;\n }\n}\n\n\n/**\n * Header\n * -----------------------------------------------------------------------------\n */\n\n.site-header {\n background-position: 50% 50%;\n background-repeat: no-repeat;\n background-size: cover;\n position: relative;\n}\n\n.site-header:before {\n background-color: #000;\n content: \"\";\n opacity: 0.5;\n pointer-events: none;\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n}\n\n.site-branding {\n max-width: 100%;\n padding: 100px 45px;\n position: relative;\n text-align: center;\n}\n\n.site-description {\n color: #fff;\n font-family: \"Roboto\", sans-serif;\n font-size: 13px;\n font-size: 1.3rem;\n font-weight: 400;\n letter-spacing: 0.1em;\n text-transform: uppercase;\n}\n\n.site-title {\n color: #fff;\n font-family: \"Roboto\", sans-serif;\n font-size: 30px;\n font-size: 3rem;\n font-weight: 300;\n letter-spacing: 0.1em;\n line-height: 1;\n margin: 20px 0;\n text-transform: uppercase;\n word-wrap: break-word;\n}\n\n.site-title a {\n color: #fff;\n text-decoration: none;\n}\n\n.site-title a:active,\n.site-title a:focus {\n text-decoration: none;\n}\n\n.hover .site-title a:hover {\n text-decoration: none;\n}\n\n@media screen and (min-width: 768px) {\n .site-title {\n font-size: 60px;\n font-size: 6rem;\n }\n}\n\n@media screen and (min-width: 1024px) {\n .site-header {\n display: -webkit-box;\n display: -webkit-flex;\n display: -moz-box;\n display: -ms-flexbox;\n display: flex;\n position: fixed;\n top: 0;\n bottom: 0;\n left: 0;\n width: 50%;\n -webkit-align-content: center;\n align-content: center;\n -webkit-align-items: center;\n align-items: center;\n -webkit-box-align: center;\n -moz-box-align: center;\n -webkit-box-pack: center;\n -moz-box-pack: center;\n -ms-flex-align: center;\n -webkit-flex-flow: column no-wrap;\n -ms-flex-flow: column no-wrap;\n flex-flow: column no-wrap;\n -ms-flex-line-pack: center;\n -ms-flex-pack: center;\n -webkit-justify-content: center;\n justify-content: center;\n }\n .site-branding {\n padding: 0 45px;\n }\n .home #lyricWrapper {\n height: 240px;\n }\n .entry .entry-content .btn {\n display: block;\n }\n .entry-content .content {\n margin-bottom: 4em\n }\n .entry .form-table {\n\t margin: 3.5em auto;\n\t width: 100%;\n\t}\n}\n\n\n/**\n * Footer\n * -----------------------------------------------------------------------------\n */\n\n.site-footer {\n background: #000;\n color: #aaa;\n font-family: \"Roboto\", sans-serif;\n font-size: 13px;\n font-size: 1.3rem;\n padding: 30px 15px;\n text-align: center;\n}\n\n.site-footer .social-navigation {\n text-align: center;\n}\n\n\n/**\n * Content\n * -----------------------------------------------------------------------------\n */\n\n.hentry {\n padding-bottom: 2em;\n}\n\n.hentry + .hentry,\n.infinite-loader + .hentry {\n border-top: 1px solid #dedede;\n padding-top: 2em;\n}\n\n.hentry.block-grid-item {\n border-top-width: 0;\n padding-bottom: 0;\n padding-top: 0;\n}\n\n.entry-content {\n word-wrap: break-word;\n}\n\n.entry-content .btn {\n display: none;\n}\n\n.entry-content a {\n text-decoration: underline;\n}\n\n.hover .entry-content a:hover {\n opacity: 0.6;\n}\n\n.entry-content a.button {\n text-decoration: none;\n width: 200px;\n border-radius: 5px;\n}\n\n.entry-content >:last-child {\n margin-bottom: 0;\n}\n\n.entry-header {\n display: -webkit-box;\n display: -webkit-flex;\n display: -moz-box;\n display: -ms-flexbox;\n display: flex;\n margin-bottom: 1.6em;\n -webkit-flex-flow: column nowrap;\n -ms-flex-flow: column nowrap;\n flex-flow: column nowrap;\n}\n\n.entry-header .breadcrumbs {\n -webkit-box-ordinal-group: 2;\n -moz-box-ordinal-group: 2;\n -ms-flex-order: 1;\n -webkit-order: 1;\n order: 1;\n}\n\n.entry-header .entry-title {\n -webkit-box-ordinal-group: 6;\n -moz-box-ordinal-group: 6;\n -ms-flex-order: 5;\n -webkit-order: 5;\n order: 5;\n}\n\n.entry-header .entry-subtitle {\n -webkit-box-ordinal-group: 11;\n -moz-box-ordinal-group: 11;\n -ms-flex-order: 10;\n -webkit-order: 10;\n order: 10;\n}\n\n.entry-header .entry-meta {\n -webkit-box-ordinal-group: 16;\n -moz-box-ordinal-group: 16;\n -ms-flex-order: 15;\n -webkit-order: 15;\n order: 15;\n}\n\n.entry-header .entry-meta {\n font-family: \"Roboto\", sans-serif;\n font-size: 11px;\n font-size: 1.1rem;\n letter-spacing: 0.1em;\n margin-bottom: 0;\n margin-top: 0.90909091em;\n text-transform: uppercase;\n}\n\n.entry-header .entry-meta a {\n color: #333;\n text-decoration: none;\n}\n\n.entry-header .entry-meta .entry-comments-link:before {\n content: \"\\2022\\00a0\";\n}\n\n.entry-header .entry-meta time.updated {\n display: none;\n}\n\n.entry-media {\n margin-bottom: 40px;\n}\n\n.entry-subtitle {\n font-family: \"Roboto\", sans-serif;\n font-size: 24px;\n font-size: 2.4rem;\n font-weight: 400;\n line-height: 1.5;\n}\n\n.entry-terms {\n font-family: \"Roboto\", sans-serif;\n margin-bottom: 1.33333333em;\n}\n\n.entry-terms .term-group {\n display: inline-block;\n margin-right: 1.33333333em;\n}\n\n.entry-terms .term-group a {\n color: #555;\n}\n\n.entry-terms .term-group:before {\n color: #555;\n font-size: 24px;\n line-height: 1.0625em;\n margin-right: 5px;\n}\n\n.entry-terms .term-group--category:before {\n content: \"\\f21b\";\n}\n\n.entry-terms .term-group--post_tag:before {\n content: \"\\f21c\";\n}\n\n\n@media screen and (min-width: 1024px) {\n body.page .entry-footer,\n body.single .entry-footer {\n border-top: 1px solid #dedede;\n margin-top: 1.33333333em;\n padding-top: 1.33333333em;\n }\n body.page .entry-title,\n body.single .entry-title {\n font-size: 48px;\n font-size: 4.8rem;\n }\n body.page .entry-title {\n margin-bottom: 0;\n }\n}\n\n\n/* Responsive */\n\n@media (min-width: 768px) {\n\n}\n\n.page-template-landing .hentry {\n margin-bottom: 0;\n max-width: 100%;\n padding-bottom: 0;\n text-align: center;\n}\n\n.page-template-landing .entry-content {\n font-size: 20px;\n font-size: 2rem;\n}\n\n@media screen and (min-width: 1024px) {\n .page-template-landing .content-area {\n display: -webkit-box;\n display: -webkit-flex;\n display: -moz-box;\n display: -ms-flexbox;\n display: flex;\n flex-direction: row;\n width: 100%;\n justify-content: center;\n -webkit-box-direction: normal;\n -moz-box-direction: normal;\n -webkit-box-orient: horizontal;\n -moz-box-orient: horizontal;\n -webkit-flex-direction: row;\n -ms-flex-direction: row;\n -webkit-flex-wrap: wrap;\n -ms-flex-wrap: wrap;\n flex-wrap: wrap;\n -webkit-transition: all 2s linear;\n -o-transition: all 2s linear;\n transition: all 2s linear;\n }\n .page-template-landing .hentry {\n display: -webkit-box;\n display: -webkit-flex;\n display: -moz-box;\n display: -ms-flexbox;\n display: flex;\n max-width: 100%;\n text-align: center;\n width: 100%;\n -webkit-align-content: center;\n align-content: center;\n -webkit-align-items: center;\n align-items: center;\n -webkit-box-align: center;\n -moz-box-align: center;\n -webkit-box-pack: center;\n -moz-box-pack: center;\n -ms-flex-align: center;\n -webkit-flex-flow: column nowrap;\n -ms-flex-flow: column nowrap;\n flex-flow: column nowrap;\n -ms-flex-line-pack: center;\n -ms-flex-pack: center;\n -webkit-justify-content: center;\n justify-content: center;\n }\n .page-template-landing .entry-title {\n font-size: 48px;\n font-size: 4.8rem;\n }\n .page-template-landing .entry-content,\n .page-template-landing .entry-title {\n max-width: 100%;\n text-align: center;\n width: 100%;\n }\n .page-template-landing .comments-area {\n max-width: 100%;\n width: 100%;\n }\n}\n\n\n/* Responsive Galleries */\n\n@media only screen and (min-width: 480px) {\n .gallery-size-thumbnail .gallery-item {\n max-width: 100%;\n }\n}\n\n@media only screen and (min-width: 768px) {\n .entry .entry-content .content {\n margin-bottom: 2em\n }\n}\n\n.site-content {\n -webkit-transition: opacity 0.2s;\n transition: opacity 0.2s;\n}\n\n.site-content.is-loading {\n opacity: 0.05;\n -webkit-transition: opacity 0.3s;\n transition: opacity 0.3s;\n}\n\n.site-player .controls {\n display: block;\n margin-bottom: 40px;\n padding-top: 85px;\n position: relative;\n z-index: 10;\n}\n\n.site-player .controls button {\n background: none;\n color: #9c9c9c;\n}\n\n.site-player button {\n cursor: pointer;\n display: block;\n height: 32px;\n margin: 0;\n outline: none;\n overflow: hidden;\n padding: 0;\n position: absolute;\n top: 0;\n left: 50%;\n text-indent: 110%;\n -webkit-transition: none;\n transition: none;\n white-space: nowrap;\n width: 32px;\n}\n\n.site-player button:before {\n display: inline-block;\n font-family: \"themicons\";\n font-size: 24px;\n -moz-osx-font-smoothing: grayscale;\n -webkit-font-smoothing: antialiased;\n font-style: normal;\n font-variant: normal;\n font-weight: normal;\n letter-spacing: normal;\n line-height: 32px;\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n text-align: center;\n text-decoration: inherit;\n text-indent: 0;\n text-transform: none;\n vertical-align: top;\n speak: none;\n}\n\n.site-player button:active,\n.site-player button:focus {\n background: none;\n box-shadow: 0;\n outline: 0;\n}\n\n.hover .site-player button:hover {\n background: none;\n box-shadow: 0;\n outline: 0;\n}\n\n.site-player button.play-pause {\n left: 32px;\n}\n\n.site-player button.play-pause:before {\n content: \"\\f152\";\n}\n\n.site-player button.pause:before {\n content: \"\\f151\";\n}\n\n.site-player button.next {\n left: 64px;\n}\n\n.site-player button.next:before {\n content: \"\\f155\";\n}\n\n.site-player button.previous {\n left: 0;\n}\n\n.site-player button.previous:before {\n content: \"\\f156\";\n}\n\n.site-player button.repeat,\n.site-player button.shuffle {\n top: auto;\n right: 0;\n bottom: 0;\n left: auto;\n z-index: 2;\n}\n\n.site-player button.repeat.is-active,\n.site-player button.shuffle.is-active {\n color: #fff;\n}\n\n.site-player button.repeat:before {\n content: \"\\f15b\";\n}\n\n.site-player button.shuffle {\n right: 41px;\n}\n\n.site-player button.shuffle:before {\n content: \"\\f15c\";\n}\n\n.site-player button.volume-toggle {\n display: block;\n left: 0;\n}\n\n.site-player button.volume-toggle:before {\n content: \"\\f159\";\n}\n\n.site-player button.volume-toggle.is-muted:before {\n content: \"\\f158\";\n}\n\n.site-player .progress-bar {\n background: rgba(255, 255, 255, 0.4);\n border-radius: 2.5px;\n cursor: pointer;\n height: 5px;\n position: absolute;\n top: 40px;\n right: 0;\n left: 0;\n z-index: 2;\n display: flex;\n}\n\n.site-player .play-bar {\n background: #fff;\n height: 5px;\n width: 0;\n}\n\n.site-player .volume-panel {\n height: 35px;\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n width: 165px;\n color: #fff;\n}\n\n.site-player .volume-panel button {\n color: #fff;\n}\n\n.site-player .volume-panel:hover .volume-toggle {\n color: #fff;\n}\n\n.site-player .volume-panel:hover .volume-slider {\n display: block;\n}\n\n.site-player .times {\n position: absolute;\n bottom: 0;\n left: 0;\n}\n\n.site-player .volume-slider {\n background-color: #000;\n border-color: #000;\n border-style: solid;\n border-width: 20px 0;\n display: none;\n height: 150px;\n margin-left: -25px;\n position: absolute;\n top: 32px;\n left: 50%;\n width: 50px;\n}\n\n.site-player .volume-slider:before {\n background-color: #fff;\n content: \"\";\n cursor: pointer;\n display: block;\n margin-left: -3px;\n position: absolute;\n top: 0;\n bottom: 0;\n left: 50%;\n width: 6px;\n}\n\n.site-player .volume-slider-handle {\n background-color: #fff;\n border-radius: 8px;\n cursor: pointer;\n display: block;\n height: 16px;\n margin: -8px 0 0 -8px;\n position: absolute;\n top: 0;\n left: 50%;\n width: 16px;\n}\n\n.site-player .playlist {\n padding-bottom: 45px;\n text-align: left;\n}\n\n.site-player .tracks-list {\n border-color: #333;\n border-style: solid;\n border-width: 1px 0 0;\n counter-reset: li;\n display: table;\n font-size: 13px;\n font-size: 1.3rem;\n font-weight: 400;\n list-style-position: inside;\n margin: 0;\n padding: 0;\n width: 100%;\n}\n\n.site-player .track {\n border-color: #333;\n border-style: solid;\n border-width: 0 0 1px;\n color: #aaa;\n counter-increment: li;\n cursor: pointer;\n display: block;\n margin: 0;\n padding: 16px 0;\n width: 100%;\n /*\n\t\t&.is-error {\n\t\t\t&:before{\n\t\t\t\tdisplay: none;\n\t\t\t}\n\n\t\t\t.track-status {\n\t\t\t\tdisplay: table-cell;\n\n\t\t\t\t&:before {\n\t\t\t\t\tcontent: \"e\";\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t*/\n}\n\n.site-player .track:before {\n content: counter(li);\n font-size: 13px;\n font-size: 1.3rem;\n}\n\n.site-player .track .track-artist {\n display: block;\n}\n\n.site-player .track .track-button {\n border-color: rgba(255, 255, 255, 0.3);\n color: rgba(255, 255, 255, 0.7);\n}\n\n.site-player .track .track-button:focus,\n.site-player .track .track-button:hover {\n border-color: rgba(255, 255, 255, 0.5);\n color: rgba(255, 255, 255, 0.9);\n text-decoration: none;\n}\n\n.site-player .track .track-length {\n width: 50px;\n}\n\n.site-player .track .track-status {\n display: none;\n}\n\n.site-player .track .track-status:before {\n content: \"\\f159\";\n display: inline-block;\n font-family: \"themicons\";\n font-size: 20px;\n -moz-osx-font-smoothing: grayscale;\n -webkit-font-smoothing: antialiased;\n font-style: normal;\n font-variant: normal;\n font-weight: normal;\n letter-spacing: normal;\n line-height: 0.75;\n text-decoration: inherit;\n text-transform: none;\n vertical-align: top;\n vertical-align: middle;\n margin-left: -5px;\n speak: none;\n}\n\n.site-player .track .track-title {\n display: block;\n font-size: 15px;\n font-size: 1.5rem;\n}\n\n.site-player .track.is-current .track-artist,\n.site-player .track.is-current .track-title {\n color: #fff;\n}\n\n.site-player .track-cell,\n.site-player .track:before {\n display: block;\n line-height: 1.3;\n}\n\n.site-player .track:before,\n.site-player .track-status,\n.site-player .track-remove {\n max-width: 50px;\n min-width: 50px;\n padding-left: 0;\n padding-right: 0;\n text-align: center;\n width: 50px;\n}\n\n.site-player .track:before,\n.site-player .track-actions:empty,\n.site-player .track-length {\n display: none;\n}\n\n.site-player .track-actions {\n display: block;\n margin-top: 10px;\n white-space: nowrap;\n}\n\n.site-player .track-details {\n padding-left: 0;\n padding-right: 0;\n width: 100%;\n}\n\n.site-player .track-remove {\n padding: 0;\n text-align: right;\n}\n\n.site-player .track-remove button.remove {\n background: transparent;\n color: #555;\n display: inline;\n height: auto;\n margin: 0;\n position: relative;\n top: auto;\n right: auto;\n left: auto;\n text-align: right;\n vertical-align: middle;\n}\n\n.site-player .track-remove button.remove:before {\n content: \"\\f20c\";\n font-size: 13px;\n font-size: 1.3rem;\n line-height: 1.3;\n}\n\n.site-player .track-remove button.remove:focus {\n color: #aaa;\n}\n\n.hover .site-player .track-remove button.remove:hover {\n color: #aaa;\n}\n\n@media screen and (min-width: 480px) {\n .site-player .track {\n border-width: 0;\n display: table-row;\n padding: 0;\n }\n .site-player .track-cell,\n .site-player .track:before {\n border-color: #333;\n border-style: solid;\n border-width: 0 0 1px;\n display: table-cell;\n line-height: 1.3;\n padding: 16px 22px;\n vertical-align: middle;\n }\n .site-player .track-actions,\n .site-player .track-actions:empty {\n display: table-cell;\n margin: 0;\n padding-right: 0;\n text-align: right;\n }\n}\n\n@media screen and (min-width: 768px) {\n .site-player .track:before,\n .site-player .track-actions,\n .site-player .track.is-playing .track-status {\n display: table-cell;\n }\n .site-player .track-details {\n padding-left: 0;\n }\n .site-player .track-remove {\n text-align: center;\n }\n .site-player .track-remove button.remove {\n text-align: center;\n }\n .site-player .track.is-playing:before {\n display: none;\n }\n}\n\n.site-player {\n font-weight: 400;\n}\n\n.site-player.is-loading {\n display: none;\n}\n\n.site-player-panel {\n background: #000;\n border-width: 0;\n clear: both;\n color: #aaa;\n display: -webkit-box;\n display: -webkit-flex;\n display: -moz-box;\n display: -ms-flexbox;\n display: flex;\n flex-direction: column;\n float: left;\n font-size: 13px;\n font-size: 1.3rem;\n overflow: auto;\n padding: 20px;\n position: fixed;\n top: 0;\n right: 0;\n bottom: 0;\n text-align: left;\n -webkit-transform: translate(100%);\n transform: translate(100%);\n z-index: 50;\n -webkit-box-direction: normal;\n -moz-box-direction: normal;\n -webkit-box-orient: vertical;\n -moz-box-orient: vertical;\n -webkit-flex-direction: column;\n -ms-flex-direction: column;\n -webkit-overflow-scrolling: touch;\n}\n\n.site-current-track-details {\n color: #fff;\n display: none;\n line-height: 20px;\n padding: 0 110px;\n position: fixed;\n right: 50%;\n bottom: 45px;\n left: 0;\n text-align: center;\n}\n\n.site-current-track-details .times {\n font-size: 13px;\n font-size: 1.3rem;\n line-height: 1;\n position: absolute;\n right: 0;\n bottom: -20px;\n left: 0;\n}\n\n.site-play-pause-button,\n.site-player-toggle {\n background: transparent;\n color: #fff;\n cursor: pointer;\n display: block;\n height: 48px;\n line-height: 48px;\n margin: 0;\n outline: none;\n overflow: hidden;\n padding: 0;\n position: absolute;\n text-indent: 110%;\n -webkit-transition: none;\n transition: none;\n white-space: nowrap;\n width: 48px;\n z-index: 20;\n}\n\n.site-play-pause-button:before,\n.site-player-toggle:before {\n display: inline-block;\n font-family: \"themicons\";\n font-size: 24px;\n -moz-osx-font-smoothing: grayscale;\n -webkit-font-smoothing: antialiased;\n font-style: normal;\n font-variant: normal;\n font-weight: normal;\n letter-spacing: normal;\n line-height: 48px;\n position: absolute;\n top: 0;\n right: 0;\n bottom: 0;\n left: 0;\n text-align: center;\n text-decoration: inherit;\n text-indent: 0;\n text-transform: none;\n vertical-align: top;\n speak: none;\n}\n\n.site-play-pause-button:active,\n.site-player-toggle:active,\n.site-play-pause-button:focus,\n.site-player-toggle:focus {\n background: none;\n box-shadow: none;\n opacity: 0.7;\n outline: 0;\n}\n\n.hover .site-play-pause-button:hover,\n.hover .site-player-toggle:hover {\n background: none;\n box-shadow: none;\n opacity: 0.7;\n outline: 0;\n}\n\n.site-play-pause-button {\n display: none;\n}\n\n.site-play-pause-button:before {\n content: \"\\f152\";\n}\n\n.site-play-pause-button.pause:before {\n content: \"\\f151\";\n}\n\n.site-player-toggle {\n top: 4px;\n right: 1px;\n bottom: auto;\n left: auto;\n}\n\n.site-player-toggle:before {\n content: \"\\f153\";\n font-size: 24px;\n}\n\n.site-player-toggle.is-open {\n right: 85%;\n left: auto;\n}\n\n.site-player-toggle.is-open:before {\n content: \"\\f20c\";\n}\n\n.site-navigation-is-open .site-current-track-details,\n.site-navigation-is-open .site-play-pause-button,\n.site-navigation-is-open .site-player-toggle {\n display: none;\n}\n\n.admin-bar .site-player-toggle,\n.admin-bar .site-player-toggle.is-open {\n top: 50px;\n}\n\n@media screen and (max-width: 1023px) {\n .site-player-is-open .site-navigation-toggle {\n display: none;\n }\n}\n\n@media screen and (min-width: 768px) {\n .site-player-panel {\n padding: 45px;\n }\n}\n\n@media screen and (min-width: 783px) {\n .site-player-toggle.is-open {\n right: 70%;\n }\n .admin-bar .site-player-toggle,\n .admin-bar .site-player-toggle.is-open {\n top: 36px;\n }\n}\n\n@media screen and (min-width: 1024px) {\n .site-play-pause-button,\n .site-player-toggle {\n display: block;\n position: fixed;\n top: auto;\n right: auto;\n bottom: 31px;\n left: auto;\n }\n .site-play-pause-button {\n left: 31px;\n }\n .site-player-toggle,\n .site-player-toggle.is-open,\n .admin-bar .site-player-toggle,\n .admin-bar .site-player-toggle.is-open {\n top: auto;\n right: calc(50% + 31px);\n }\n}\n\n@media screen and (min-height: 500px) and (min-width: 1024px) {\n .site-current-track-details {\n display: block;\n }\n}\n\n@-ms-viewport {\n width: device-width;\n}\n\n@-moz-viewport {\n width: device-width;\n}\n\n@-o-viewport {\n width: device-width;\n}\n\n@-webkit-viewport {\n width: device-width;\n}\n\n@viewport {\n width: device-width;\n}\n\n\n/* rtl:ignore */\n\nbody.rtl {\n direction: rtl;\n unicode-bidi: embed;\n}\n\n#viewport-panel {\n overflow: hidden;\n position: relative;\n}\n\n.site {\n position: relative;\n left: 0;\n -webkit-transition: left 0.19s;\n transition: left 0.19s;\n}\n\n.site-content {\n padding: 20px 15px;\n}\n\n.site-navigation-panel,\n.site-player-panel {\n -webkit-transition: -webkit-transform 0.2s;\n transition: -webkit-transform 0.2s;\n transition: transform 0.2s;\n transition: transform 0.2s, -webkit-transform 0.2s;\n width: 85%;\n}\n\n.site-navigation-panel.is-animation-disabled,\n.site-player-panel.is-animation-disabled {\n -webkit-transition: none;\n transition: none;\n}\n\n.site-header .panel-body-footer {\n display: none;\n}\n\n.admin-bar .site-navigation-panel,\n.admin-bar .site-player-panel {\n top: 46px;\n}\n\n.site-navigation-is-open,\n.site-player-is-open {\n overflow: hidden;\n}\n\n.site-navigation-is-open body,\n.site-player-is-open body {\n overflow: hidden;\n}\n\n.site-navigation-is-open .site {\n left: 85%;\n -webkit-transition: left 0.21s;\n transition: left 0.21s;\n}\n\n.site-navigation-is-open .site-navigation-panel {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n}\n\n.site-player-is-open .site {\n left: -85%;\n -webkit-transition: left 0.21s;\n transition: left 0.21s;\n}\n\n.site-player-is-open .site-player-panel {\n -webkit-transform: translateX(0);\n transform: translateX(0);\n}\n\n@media screen and (min-width: 560px) {\n .site-content {\n padding: 40px 80px;\n }\n}\n\n@media screen and (min-width: 783px) {\n .site-navigation-panel,\n .site-player-panel {\n width: 70%;\n }\n .admin-bar .site-navigation-panel,\n .admin-bar .site-player-panel {\n top: 32px;\n }\n .site-navigation-is-open .site {\n left: 70%;\n }\n .site-player-is-open .site {\n left: -70%;\n }\n}\n\n@media screen and (min-width: 1024px) {\n .site {\n float: right;\n min-height: 100vh;\n padding-bottom: 20px;\n padding-left: 60px;\n padding-right: 60px;\n padding-top: 60px;\n }\n .site,\n .site-navigation-panel,\n .site-player-panel {\n width: 50%;\n }\n .site-content,\n .admin-bar .site-content {\n padding: 0;\n }\n .page-template-landing .site {\n padding-bottom: 0;\n }\n .page-template-landing .hentry {\n min-height: calc(100vh - 165px);\n }\n .site-header .panel-body-footer {\n display: block;\n }\n .site-footer,\n .site-footer .site-info {\n display: none;\n }\n .admin-bar .site {\n min-height: calc(100vh - 32px);\n }\n .admin-bar .site-header,\n .admin-bar .site-navigation-panel,\n .admin-bar .site-player-panel {\n top: 32px;\n }\n .admin-bar.page-template-landing .hentry {\n min-height: calc(100vh - 60px - 32px);\n }\n .site-navigation-is-open,\n .site-navigation-is-open body {\n overflow: auto;\n }\n .site-navigation-is-open .site,\n .site-player-is-open .site {\n left: 0;\n }\n}\n\ninput[type=range] {\n -webkit-appearance: none;\n border: 1px solid #eee;\n width: 130px;\n position: absolute;\n right: 0;\n top: 14px;\n height: 5px;\n border-radius: 5px;\n}\n\ninput[type=range]::-webkit-slider-runnable-track {\n width: auto;\n height: 5px;\n background: #ddd;\n border: none;\n border-radius: 5px;\n}\n\ninput[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n border: none;\n height: 15px;\n width: 15px;\n border-radius: 50%;\n background: #fff;\n margin-top: -5px;\n}\n\ninput[type=range]:focus {\n outline: none;\n}\n\ninput[type=range]:focus::-webkit-slider-runnable-track {\n background: #ccc;\n}\n\n.form-table {\n margin-bottom: 2em;\n width: 100%;\n}\n\n.input-group {\n width: 100%;\n}\n\n.table .is-playable:before {\n content: \"\\f152\";\n cursor: pointer;\n display: inline-block;\n font-family: \"themicons\";\n font-size: 16px;\n -moz-osx-font-smoothing: grayscale;\n -webkit-font-smoothing: antialiased;\n font-style: normal;\n}\n\n\n/* 必需 */\n\n.expand {\n opacity: 0;\n visibility: hidden;\n margin-top: -8em;\n transition: all .3s ease-out;\n}\n\n.insearch {\n transition: all .3s ease-out;\n}\n\nul li {\n list-style: none;\n}\n\n.pager li {\n display: inline-block;\n margin-left: 1em;\n}\n\n#lyricWrapper {\n display: block;\n height: 350px;\n overflow: hidden;\n position: relative;\n top: -20px;\n color: #fff;\n}\n\n#lyricContainer {\n position: relative;\n top: 100px;\n width: 100%;\n font-family: \"Microsoft YaHei\", Helvetica, Arial, sans-serif;\n text-shadow: 1px 0 0 #000, -1px 0 0 #000, 0 1px 0 #000, 0 -1px 0 #000;\n}\n\n#lyricContainer p {\n margin: 1.1em auto;\n width: 100%;\n font-size: 16px;\n color: #5a5a5a;\n text-align: center;\n -webkit-transition: color .5s linear;\n -moz-transition: color .5s linear;\n -o-transition: color .5s linear;\n transition: color .5s linear;\n}\n\n#lyricContainer .current-line {\n color: #fff;\n font-size: 18px;\n}\n\n.lyric-description {\n position: relative;\n top: 7em;\n}\n\n.play-point {\n width: 12px;\n height: 12px;\n background-color: white;\n border-radius: 100%;\n box-shadow: 0 0 5px -1px;\n margin-top: -4px;\n}\n\n\n/* IE10+ */\n\n@media all and (-ms-high-contrast: none),\n(-ms-high-contrast: active) {\n #viewport-pane {\n overflow: inherit;\n }\n}\n" }, { "path": "src/js/vplayer.js", "content": "var app = new Vue({\n el: '#app',\n data: {\n audio: document.createElement('audio'),\n storage: window.localStorage,\n range: 0.5,\n progress: 0,\n playingId: '',\n playingTitle: '',\n playingArtist: '',\n playingPic: '',\n showCurrentTime: '0:00',\n showDurationTime: '0:00',\n currentIndex: 0,\n search: '',\n lyricText: '',\n lyric: [],\n songLists: [],\n playingLists: [],\n pageNumber: 1,\n pages: 0,\n offset: 30,\n isNext: false,\n lock: false,\n listOpen: false,\n isMuted: false,\n isPlay: false,\n isActive: false,\n goSearch: false,\n isMove: false,\n isSearch: false,\n isNull: true\n },\n created: function () {\n this.firstOrCreate();\n },\n mounted: function () {\n setInterval(this.setProgress, 500);\n this.audio.addEventListener(\"timeupdate\", this.updateLyric);\n this.audio.addEventListener(\"ended\", this.autoNextPlay);\n },\n methods: {\n // 第一次创建（初始化）\n firstOrCreate: function () {\n this.playingLists = JSON.parse(this.storage.getItem('playerList'));\n if (this.playingLists === null || this.playingLists.length === 0) {\n this.playingLists = [];\n var tmp = {\n 'id': 35283615,\n 'title': 'Dreams',\n 'picUrl': 'http://p3.music.126.net/tbnn45UGaEmkqXQlpD1iVQ==/3445869441930235.jpg',\n 'artists': 'Tobu'\n };\n this.playingLists.push(tmp);\n this.storage.setItem('playerList', JSON.stringify(this.playingLists));\n }\n this.audio.volume = 0.5;\n this.playingId = this.playingLists[0].id;\n this.playingTitle = this.playingLists[0].title;\n this.playingArtist = this.playingLists[0].artists;\n this.playingPic = this.playingLists[0].picUrl;\n this.$http.get('api/mp3url.php', {\n params: {\n 'id': this.playingLists[0].id\n }\n })\n .then(function (response) {\n var mp3 = response.body.data[0];\n this.audio.src = mp3.url;\n }, function (error) {\n //error callback\n console.log(error);\n });\n },\n // 去搜索\n goSearch: function () {\n this.goSearch = true;\n document.querySelector('input[name=\"search\"]').focus();\n },\n // 自动播放\n setAutoPlay: function () {\n this.audio.autoplay = !this.audio.autoplay;\n alert(this.audio.autoplay);\n },\n // 播放歌曲\n setPlay: function (id) {\n if (this.audio.paused) {\n this.audio.play();\n this.isPlay = true;\n this.getSongLyric(id);\n } else {\n this.audio.pause();\n this.isPlay = false;\n }\n },\n // 调节音量\n setVolume: function () {\n this.audio.volume = this.range;\n if (this.audio.volume === 0) {\n this.isMuted = true;\n } else {\n this.isMuted = false;\n this.audio.muted = false;\n }\n },\n // 静音\n setMuted: function () {\n this.audio.muted = !this.audio.muted;\n this.isMuted = this.audio.muted;\n },\n // 单曲循环\n setLoop: function () {\n this.audio.loop = !this.audio.loop;\n this.isActive = !this.isActive;\n console.log(this.audio.loop);\n },\n // 随机播放\n setRandom: function () {\n alert('功能暂未实现！');\n },\n // 打开/关闭歌单列表\n isListOpen: function () {\n this.listOpen = !this.listOpen;\n },\n // 播放进度条\n setProgress: function () {\n var MM, SS, CT, DT,\n currentTime = this.audio.currentTime,\n duration = this.audio.duration;\n MM = parseInt(currentTime / 60);\n SS = parseInt(currentTime % 60);\n this.showCurrentTime = CT = MM + ':' + (SS < 10 ? '0' + SS : SS);\n\n MM = parseInt(duration / 60);\n SS = parseInt(duration % 60);\n this.showDurationTime = DT = MM + ':' + (SS < 10 ? '0' + SS : SS);\n\n var value = currentTime / duration * 100;\n this.progress = value.toFixed(3);\n },\n // 搜索歌曲\n formSubmit: function () {\n this.goSearch = true;\n if (this.search === '') {\n return false;\n }\n this.$http.get('api/search.php', {\n params: {\n 's': this.search\n }\n })\n .then(function (response) {\n this.songLists = response.body.result.songs;\n this.isSearch = true;\n }, function (error) {\n // error callback\n console.log(error);\n });\n },\n // 播放歌曲\n playMusic: function (id) {\n var lyricContainer = document.querySelector('#lyricContainer');\n lyricContainer.style.top = 110 + 'px';\n this.getMp3Url(id);\n this.$http.get('api/detail.php', {\n params: {\n 'id': id\n }\n })\n .then(function (response) {\n var result = response.body.songs[0];\n var id = result.id,\n title = result.name,\n picUrl = result.al.picUrl,\n artist = [],\n artists;\n for (var i = 0; i < result.ar.length; i++) {\n artist.push(result.ar[i].name)\n }\n artists = artist.join('/')\n this.playingTitle = title;\n this.playingArtist = artists;\n this.playingPic = picUrl;\n var tempData = {\n 'id': id,\n 'title': title,\n 'picUrl': picUrl,\n 'artists': artists\n };\n var obj = JSON.parse(this.storage.getItem('playerList'));\n console.log(obj.length);\n this.currentIndex = obj.length;\n if (obj === null) {\n this.playingLists.push(tempData);\n this.storage.setItem('playerList', JSON.stringify(this.playingLists));\n } else {\n for (var i = 0; i < obj.length; i++) {\n if (tempData.id == obj[i].id) {\n this.lock = true;\n break;\n } else {\n this.lock = false;\n }\n }\n }\n if (this.lock === false) {\n this.playingLists = obj;\n this.playingLists.push(tempData);\n this.storage.setItem('playerList', JSON.stringify(this.playingLists));\n } else {\n alert('歌曲已经存在歌单中');\n return false;\n }\n }, function (error) {\n console.log(error);\n });\n },\n // 播放历史歌单\n playHistoryList: function (id, index) {\n var lyricContainer = document.querySelector('#lyricContainer');\n lyricContainer.style.top = 110 + 'px';\n this.currentIndex = index;\n this.getMp3Url(id);\n var music = JSON.parse(this.storage.getItem('playerList'));\n this.playingTitle = music[index].title;\n this.playingArtist = music[index].artists;\n this.playingPic = music[index].picUrl;\n },\n // 播放下一首\n nextPlay: function () {\n var next = JSON.parse(this.storage.getItem('playerList'));\n if ((this.currentIndex + 1) == next.length) {\n this.currentIndex = 0;\n } else {\n this.currentIndex = ++this.currentIndex;\n }\n this.playingTitle = next[this.currentIndex].title;\n this.playingArtist = next[this.currentIndex].artists;\n this.playingPic = next[this.currentIndex].picUrl;\n this.getMp3Url(next[this.currentIndex].id);\n },\n // 播放上一首\n prevPlay: function () {\n var prev = JSON.parse(this.storage.getItem('playerList'));\n if (this.currentIndex === 0) {\n alert('这已经是第一首了');\n return false;\n } else {\n this.currentIndex = --this.currentIndex;\n }\n this.playingTitle = prev[this.currentIndex].title;\n this.playingArtist = prev[this.currentIndex].artists;\n this.playingPic = prev[this.currentIndex].picUrl;\n this.getMp3Url(prev[this.currentIndex].id);\n },\n // 列表循环播放\n autoNextPlay: function () {\n var lyricContainer = document.querySelector('#lyricContainer');\n lyricContainer.style.top = 110 + 'px';\n var obj = JSON.parse(this.storage.getItem('playerList'));\n if ((this.currentIndex + 1) == obj.length) {\n this.currentIndex = 0;\n } else {\n this.currentIndex = ++this.currentIndex;\n }\n if (!this.audio.loop) {\n this.playingTitle = obj[this.currentIndex].title;\n this.playingArtist = obj[this.currentIndex].artists;\n this.playingPic = obj[this.currentIndex].picUrl;\n this.getMp3Url(obj[this.currentIndex].id);\n }\n },\n // 获取MP3链接\n getMp3Url: function (id) {\n this.$http.get('api/mp3url.php', {\n params: {\n 'id': id\n }\n })\n .then(function (response) {\n var mp3 = response.body.data[0];\n switch (mp3.code) {\n case 404:\n alert('因版权问题，歌曲已被下架！');\n break;\n case -110:\n alert('此歌曲需要付费！无法播放！');\n break;\n default:\n this.getSongLyric(id);\n this.audio.src = mp3.url;\n this.audio.play();\n this.isPlay = true;\n }\n }, function (error) {\n console.log(error);\n });\n },\n // 获取歌词\n getSongLyric: function (id) {\n this.$http.get('api/lyric.php', {\n params: {\n 'id': id\n }\n })\n .then(function (response) {\n var lrc = response.body;\n if (lrc.nolyric === true) {\n this.lyricText = '纯音乐 无歌词';\n this.lyric = [];\n return false;\n } else if (lrc.uncollected === true) {\n this.lyricText = '未收录歌词';\n this.lyric = [];\n return false;\n }\n if (!lrc.qfy && !lrc.sfy) {\n this.lyricText = '';\n this.parseLyric(lrc.lrc.lyric);\n }\n }, function (error) {\n // error callback\n console.log(error);\n });\n },\n // 格式歌词\n parseLyric: function (text) {\n var lyric = text.split('\\n'), // 先按行分割\n pattern = /\\[(\\d{2}):(\\d{2})\\.(\\d{2,3})]/g,\n result = [],\n offset = this.getOffset(text); // 调用歌词偏移\n while (!pattern.test(lyric[0])) {\n lyric = lyric.slice(1);\n }\n lyric[lyric.length - 1].length === 0 && lyric.pop();\n lyric.forEach(function (v, i, a) {\n var time = v.match(pattern),\n value = v.replace(pattern, '');\n time.forEach(function (v1, i1, a1) {\n var t = v1.slice(1, -1).split(':');\n result.push([parseInt(t[0], 10) * 60 + parseFloat(t[1]) + parseInt(offset) / 1000, value]);\n });\n });\n result.sort(function (a, b) {\n return a[0] - b[0];\n });\n this.lyric = result; // 赋值给data里面的lyric用于显示歌词\n },\n // 滚动歌词实现\n updateLyric: function () {\n if (this.lyric.length === 0 || '') return false;\n var lyricContainer = document.querySelector('#lyricContainer');\n for (var i = 0, l = this.lyric.length; i < l; i++) {\n if (this.audio.currentTime > this.lyric[i][0] - 0.50) {\n var line = document.getElementById('line-' + i),\n prevLine = document.getElementById('line-' + (i > 0 ? i - 1 : i));\n prevLine.className = '';\n line.className = 'current-line';\n lyricContainer.style.top = 110 - line.offsetTop + 'px';\n }\n }\n },\n // 歌词偏移\n getOffset: function (text) {\n var offset = 0;\n try {\n var offsetPattern = /\\[offset:\\-?\\+?\\d+\\]/g,\n offset_line = text.match(offsetPattern)[0],\n offset_str = offset_line.split(':')[1];\n offset = parseInt(offset_str);\n } catch (err) {\n offset = 0;\n }\n return offset;\n },\n // 上一页\n prevPage: function () {\n this.pages = this.pages - this.offset;\n this.pageNumber--;\n this.$http.get('api/pages.php', {\n params: {\n 's': this.search,\n 'p': this.pages\n }\n })\n .then(function (response) {\n this.songLists = response.body.result.songs;\n }, function (error) {\n // error callback\n console.log(error);\n });\n },\n // 下一页\n nextPage: function () {\n pn = this.pageNumber++;\n this.pages = pn * this.offset;\n this.$http.get('api/pages.php', {\n params: {\n 's': this.search,\n 'p': this.pages\n }\n })\n .then(function (response) {\n this.songLists = response.body.result.songs;\n }, function (error) {\n // error callback\n console.log(error);\n });\n },\n // 删除历史歌单歌曲\n removeList: function (index) {\n var lists = JSON.parse(this.storage.getItem('playerList')),\n changeList = lists.slice(0, index).concat(lists.slice(parseInt(index, 10) + 1));\n this.storage.setItem('playerList', JSON.stringify(changeList));\n var tempList = JSON.parse(this.storage.getItem('playerList'));\n this.playingLists = tempList;\n console.log('歌曲已从播放历史歌单中删除!');\n },\n // 点击进度条快进\n clickProgress: function (e) {\n // console.log(e);\n var percent = e.offsetX / e.target.offsetWidth,\n value = percent * this.audio.duration;\n this.audio.currentTime = value.toFixed(3);\n }\n }\n});\n" } ]