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Developer Documentation
- Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
- Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
- PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
/lib/simplepie/library/SimplePie/ -> Misc.php (source)
<?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. *< * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors> * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors* All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie< * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue> * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue* @author Ryan Parman< * @author Geoffrey Sneddon> * @author Sam Sneddon* @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ /** * Miscellanous utilities * * @package SimplePie */ class SimplePie_Misc { public static function time_hms($seconds) { $time = ''; $hours = floor($seconds / 3600); $remainder = $seconds % 3600; if ($hours > 0) { $time .= $hours.':'; } $minutes = floor($remainder / 60); $seconds = $remainder % 60; if ($minutes < 10 && $hours > 0) { $minutes = '0' . $minutes; } if ($seconds < 10) { $seconds = '0' . $seconds; } $time .= $minutes.':'; $time .= $seconds; return $time; } public static function absolutize_url($relative, $base) { $iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative); if ($iri === false) { return false; } return $iri->get_uri(); } /** * Get a HTML/XML element from a HTML string * * @deprecated Use DOMDocument instead (parsing HTML with regex is bad!) * @param string $realname Element name (including namespace prefix if applicable) * @param string $string HTML document * @return array */ public static function get_element($realname, $string) { $return = array(); $name = preg_quote($realname, '/'); if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) { for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++) { $return[$i]['tag'] = $realname; $return[$i]['full'] = $matches[$i][0][0]; $return[$i]['offset'] = $matches[$i][0][1]; if (strlen($matches[$i][3][0]) <= 2) { $return[$i]['self_closing'] = true; } else { $return[$i]['self_closing'] = false; $return[$i]['content'] = $matches[$i][4][0]; } $return[$i]['attribs'] = array(); if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER)) { for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++) { if (count($attribs[$j]) === 2) { $attribs[$j][2] = $attribs[$j][1]; } $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j])); } } } } return $return; } public static function element_implode($element) { $full = "<$element[tag]"; foreach ($element['attribs'] as $key => $value) { $key = strtolower($key); $full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"'; } if ($element['self_closing']) { $full .= ' />'; } else { $full .= ">$element[content]</$element[tag]>"; } return $full; } public static function error($message, $level, $file, $line) { if ((ini_get('error_reporting') & $level) > 0) { switch ($level) { case E_USER_ERROR: $note = 'PHP Error'; break; case E_USER_WARNING: $note = 'PHP Warning'; break; case E_USER_NOTICE: $note = 'PHP Notice'; break; default: $note = 'Unknown Error'; break; } $log_error = true; if (!function_exists('error_log')) { $log_error = false; } $log_file = @ini_get('error_log'); if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file)) { $log_error = false; } if ($log_error) { @error_log("$note: $message in $file on line $line", 0); } } return $message; } public static function fix_protocol($url, $http = 1) { $url = SimplePie_Misc::normalize_url($url); $parsed = SimplePie_Misc::parse_url($url); if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https') { return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http); } if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url)) { return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http); } if ($http === 2 && $parsed['scheme'] !== '') { return "feed:$url"; } elseif ($http === 3 && strtolower($parsed['scheme']) === 'http') { return substr_replace($url, 'podcast', 0, 4); } elseif ($http === 4 && strtolower($parsed['scheme']) === 'http') { return substr_replace($url, 'itpc', 0, 4); } return $url; } public static function array_merge_recursive($array1, $array2) { foreach ($array2 as $key => $value) { if (is_array($value)) { $array1[$key] = SimplePie_Misc::array_merge_recursive($array1[$key], $value); } else { $array1[$key] = $value; } } return $array1; } public static function parse_url($url) { $iri = new SimplePie_IRI($url); return array( 'scheme' => (string) $iri->scheme, 'authority' => (string) $iri->authority, 'path' => (string) $iri->path, 'query' => (string) $iri->query, 'fragment' => (string) $iri->fragment ); } public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '') { $iri = new SimplePie_IRI(''); $iri->scheme = $scheme; $iri->authority = $authority; $iri->path = $path; $iri->query = $query; $iri->fragment = $fragment; return $iri->get_uri(); } public static function normalize_url($url) { $iri = new SimplePie_IRI($url); return $iri->get_uri(); } public static function percent_encoding_normalization($match) { $integer = hexdec($match[1]); if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) { return chr($integer); } return strtoupper($match[0]); } /** * Converts a Windows-1252 encoded string to a UTF-8 encoded string * * @static * @param string $string Windows-1252 encoded string * @return string UTF-8 encoded string */ public static function windows_1252_to_utf8($string) { static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF"); return strtr($string, $convert_table); } /** * Change a string from one encoding to another * * @param string $data Raw data in $input encoding * @param string $input Encoding of $data * @param string $output Encoding you want * @return string|boolean False if we can't convert it */ public static function change_encoding($data, $input, $output) { $input = SimplePie_Misc::encoding($input); $output = SimplePie_Misc::encoding($output); // We fail to fail on non US-ASCII bytes if ($input === 'US-ASCII') { static $non_ascii_octects = ''; if (!$non_ascii_octects) { for ($i = 0x80; $i <= 0xFF; $i++) { $non_ascii_octects .= chr($i); } } $data = substr($data, 0, strcspn($data, $non_ascii_octects)); } // This is first, as behaviour of this is completely predictable if ($input === 'windows-1252' && $output === 'UTF-8') { return SimplePie_Misc::windows_1252_to_utf8($data); } // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported). elseif (function_exists('mb_convert_encoding') && ($return = SimplePie_Misc::change_encoding_mbstring($data, $input, $output))) { return $return; } // This is third, as behaviour of this varies with OS userland and PHP version elseif (function_exists('iconv') && ($return = SimplePie_Misc::change_encoding_iconv($data, $input, $output))) { return $return; } // This is last, as behaviour of this varies with OS userland and PHP version elseif (class_exists('\UConverter') && ($return = SimplePie_Misc::change_encoding_uconverter($data, $input, $output))) { return $return; } // If we can't do anything, just fail return false; } protected static function change_encoding_mbstring($data, $input, $output) { if ($input === 'windows-949') { $input = 'EUC-KR'; } if ($output === 'windows-949') { $output = 'EUC-KR'; } if ($input === 'Windows-31J') { $input = 'SJIS'; } if ($output === 'Windows-31J') { $output = 'SJIS'; } // Check that the encoding is supported< if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80")> if (!in_array($input, mb_list_encodings())){ return false; }< if (!in_array($input, mb_list_encodings()))> > if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80"){ return false; } // Let's do some conversion if ($return = @mb_convert_encoding($data, $output, $input)) { return $return; } return false; } protected static function change_encoding_iconv($data, $input, $output) { return @iconv($input, $output, $data); } /** * @param string $data * @param string $input * @param string $output * @return string|false */ protected static function change_encoding_uconverter($data, $input, $output) { return @\UConverter::transcode($data, $output, $input); } /** * Normalize an encoding name * * This is automatically generated by create.php * * To generate it, run `php create.php` on the command line, and copy the * output to replace this function. * * @param string $charset Character set to standardise * @return string Standardised name */ public static function encoding($charset) { // Normalization from UTS #22 switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset))) { case 'adobestandardencoding': case 'csadobestandardencoding': return 'Adobe-Standard-Encoding'; case 'adobesymbolencoding': case 'cshppsmath': return 'Adobe-Symbol-Encoding'; case 'ami1251': case 'amiga1251': return 'Amiga-1251'; case 'ansix31101983': case 'csat5001983': case 'csiso99naplps': case 'isoir99': case 'naplps': return 'ANSI_X3.110-1983'; case 'arabic7': case 'asmo449': case 'csiso89asmo449': case 'iso9036': case 'isoir89': return 'ASMO_449'; case 'big5': case 'csbig5': return 'Big5'; case 'big5hkscs': return 'Big5-HKSCS'; case 'bocu1': case 'csbocu1': return 'BOCU-1'; case 'brf': case 'csbrf': return 'BRF'; case 'bs4730': case 'csiso4unitedkingdom': case 'gb': case 'iso646gb': case 'isoir4': case 'uk': return 'BS_4730'; case 'bsviewdata': case 'csiso47bsviewdata': case 'isoir47': return 'BS_viewdata'; case 'cesu8': case 'cscesu8': return 'CESU-8'; case 'ca': case 'csa71': case 'csaz243419851': case 'csiso121canadian1': case 'iso646ca': case 'isoir121': return 'CSA_Z243.4-1985-1'; case 'csa72': case 'csaz243419852': case 'csiso122canadian2': case 'iso646ca2': case 'isoir122': return 'CSA_Z243.4-1985-2'; case 'csaz24341985gr': case 'csiso123csaz24341985gr': case 'isoir123': return 'CSA_Z243.4-1985-gr'; case 'csiso139csn369103': case 'csn369103': case 'isoir139': return 'CSN_369103'; case 'csdecmcs': case 'dec': case 'decmcs': return 'DEC-MCS'; case 'csiso21german': case 'de': case 'din66003': case 'iso646de': case 'isoir21': return 'DIN_66003'; case 'csdkus': case 'dkus': return 'dk-us'; case 'csiso646danish': case 'dk': case 'ds2089': case 'iso646dk': return 'DS_2089'; case 'csibmebcdicatde': case 'ebcdicatde': return 'EBCDIC-AT-DE'; case 'csebcdicatdea': case 'ebcdicatdea': return 'EBCDIC-AT-DE-A'; case 'csebcdiccafr': case 'ebcdiccafr': return 'EBCDIC-CA-FR'; case 'csebcdicdkno': case 'ebcdicdkno': return 'EBCDIC-DK-NO'; case 'csebcdicdknoa': case 'ebcdicdknoa': return 'EBCDIC-DK-NO-A'; case 'csebcdices': case 'ebcdices': return 'EBCDIC-ES'; case 'csebcdicesa': case 'ebcdicesa': return 'EBCDIC-ES-A'; case 'csebcdicess': case 'ebcdicess': return 'EBCDIC-ES-S'; case 'csebcdicfise': case 'ebcdicfise': return 'EBCDIC-FI-SE'; case 'csebcdicfisea': case 'ebcdicfisea': return 'EBCDIC-FI-SE-A'; case 'csebcdicfr': case 'ebcdicfr': return 'EBCDIC-FR'; case 'csebcdicit': case 'ebcdicit': return 'EBCDIC-IT'; case 'csebcdicpt': case 'ebcdicpt': return 'EBCDIC-PT'; case 'csebcdicuk': case 'ebcdicuk': return 'EBCDIC-UK'; case 'csebcdicus': case 'ebcdicus': return 'EBCDIC-US'; case 'csiso111ecmacyrillic': case 'ecmacyrillic': case 'isoir111': case 'koi8e': return 'ECMA-cyrillic'; case 'csiso17spanish': case 'es': case 'iso646es': case 'isoir17': return 'ES'; case 'csiso85spanish2': case 'es2': case 'iso646es2': case 'isoir85': return 'ES2'; case 'cseucpkdfmtjapanese': case 'eucjp': case 'extendedunixcodepackedformatforjapanese': return 'EUC-JP'; case 'cseucfixwidjapanese': case 'extendedunixcodefixedwidthforjapanese': return 'Extended_UNIX_Code_Fixed_Width_for_Japanese'; case 'gb18030': return 'GB18030'; case 'chinese': case 'cp936': case 'csgb2312': case 'csiso58gb231280': case 'gb2312': case 'gb231280': case 'gbk': case 'isoir58': case 'ms936': case 'windows936': return 'GBK'; case 'cn': case 'csiso57gb1988': case 'gb198880': case 'iso646cn': case 'isoir57': return 'GB_1988-80'; case 'csiso153gost1976874': case 'gost1976874': case 'isoir153': case 'stsev35888': return 'GOST_19768-74'; case 'csiso150': case 'csiso150greekccitt': case 'greekccitt': case 'isoir150': return 'greek-ccitt'; case 'csiso88greek7': case 'greek7': case 'isoir88': return 'greek7'; case 'csiso18greek7old': case 'greek7old': case 'isoir18': return 'greek7-old'; case 'cshpdesktop': case 'hpdesktop': return 'HP-DeskTop'; case 'cshplegal': case 'hplegal': return 'HP-Legal'; case 'cshpmath8': case 'hpmath8': return 'HP-Math8'; case 'cshppifont': case 'hppifont': return 'HP-Pi-font'; case 'cshproman8': case 'hproman8': case 'r8': case 'roman8': return 'hp-roman8'; case 'hzgb2312': return 'HZ-GB-2312'; case 'csibmsymbols': case 'ibmsymbols': return 'IBM-Symbols'; case 'csibmthai': case 'ibmthai': return 'IBM-Thai'; case 'cp37': case 'csibm37': case 'ebcdiccpca': case 'ebcdiccpnl': case 'ebcdiccpus': case 'ebcdiccpwt': case 'ibm37': return 'IBM037'; case 'cp38': case 'csibm38': case 'ebcdicint': case 'ibm38': return 'IBM038'; case 'cp273': case 'csibm273': case 'ibm273': return 'IBM273'; case 'cp274': case 'csibm274': case 'ebcdicbe': case 'ibm274': return 'IBM274'; case 'cp275': case 'csibm275': case 'ebcdicbr': case 'ibm275': return 'IBM275'; case 'csibm277': case 'ebcdiccpdk': case 'ebcdiccpno': case 'ibm277': return 'IBM277'; case 'cp278': case 'csibm278': case 'ebcdiccpfi': case 'ebcdiccpse': case 'ibm278': return 'IBM278'; case 'cp280': case 'csibm280': case 'ebcdiccpit': case 'ibm280': return 'IBM280'; case 'cp281': case 'csibm281': case 'ebcdicjpe': case 'ibm281': return 'IBM281'; case 'cp284': case 'csibm284': case 'ebcdiccpes': case 'ibm284': return 'IBM284'; case 'cp285': case 'csibm285': case 'ebcdiccpgb': case 'ibm285': return 'IBM285'; case 'cp290': case 'csibm290': case 'ebcdicjpkana': case 'ibm290': return 'IBM290'; case 'cp297': case 'csibm297': case 'ebcdiccpfr': case 'ibm297': return 'IBM297'; case 'cp420': case 'csibm420': case 'ebcdiccpar1': case 'ibm420': return 'IBM420'; case 'cp423': case 'csibm423': case 'ebcdiccpgr': case 'ibm423': return 'IBM423'; case 'cp424': case 'csibm424': case 'ebcdiccphe': case 'ibm424': return 'IBM424'; case '437': case 'cp437': case 'cspc8codepage437': case 'ibm437': return 'IBM437'; case 'cp500': case 'csibm500': case 'ebcdiccpbe': case 'ebcdiccpch': case 'ibm500': return 'IBM500'; case 'cp775': case 'cspc775baltic': case 'ibm775': return 'IBM775'; case '850': case 'cp850': case 'cspc850multilingual': case 'ibm850': return 'IBM850'; case '851': case 'cp851': case 'csibm851': case 'ibm851': return 'IBM851'; case '852': case 'cp852': case 'cspcp852': case 'ibm852': return 'IBM852'; case '855': case 'cp855': case 'csibm855': case 'ibm855': return 'IBM855'; case '857': case 'cp857': case 'csibm857': case 'ibm857': return 'IBM857'; case 'ccsid858': case 'cp858': case 'ibm858': case 'pcmultilingual850euro': return 'IBM00858'; case '860': case 'cp860': case 'csibm860': case 'ibm860': return 'IBM860'; case '861': case 'cp861': case 'cpis': case 'csibm861': case 'ibm861': return 'IBM861'; case '862': case 'cp862': case 'cspc862latinhebrew': case 'ibm862': return 'IBM862'; case '863': case 'cp863': case 'csibm863': case 'ibm863': return 'IBM863'; case 'cp864': case 'csibm864': case 'ibm864': return 'IBM864'; case '865': case 'cp865': case 'csibm865': case 'ibm865': return 'IBM865'; case '866': case 'cp866': case 'csibm866': case 'ibm866': return 'IBM866'; case 'cp868': case 'cpar': case 'csibm868': case 'ibm868': return 'IBM868'; case '869': case 'cp869': case 'cpgr': case 'csibm869': case 'ibm869': return 'IBM869'; case 'cp870': case 'csibm870': case 'ebcdiccproece': case 'ebcdiccpyu': case 'ibm870': return 'IBM870'; case 'cp871': case 'csibm871': case 'ebcdiccpis': case 'ibm871': return 'IBM871'; case 'cp880': case 'csibm880': case 'ebcdiccyrillic': case 'ibm880': return 'IBM880'; case 'cp891': case 'csibm891': case 'ibm891': return 'IBM891'; case 'cp903': case 'csibm903': case 'ibm903': return 'IBM903'; case '904': case 'cp904': case 'csibbm904': case 'ibm904': return 'IBM904'; case 'cp905': case 'csibm905': case 'ebcdiccptr': case 'ibm905': return 'IBM905'; case 'cp918': case 'csibm918': case 'ebcdiccpar2': case 'ibm918': return 'IBM918'; case 'ccsid924': case 'cp924': case 'ebcdiclatin9euro': case 'ibm924': return 'IBM00924'; case 'cp1026': case 'csibm1026': case 'ibm1026': return 'IBM1026'; case 'ibm1047': return 'IBM1047'; case 'ccsid1140': case 'cp1140': case 'ebcdicus37euro': case 'ibm1140': return 'IBM01140'; case 'ccsid1141': case 'cp1141': case 'ebcdicde273euro': case 'ibm1141': return 'IBM01141'; case 'ccsid1142': case 'cp1142': case 'ebcdicdk277euro': case 'ebcdicno277euro': case 'ibm1142': return 'IBM01142'; case 'ccsid1143': case 'cp1143': case 'ebcdicfi278euro': case 'ebcdicse278euro': case 'ibm1143': return 'IBM01143'; case 'ccsid1144': case 'cp1144': case 'ebcdicit280euro': case 'ibm1144': return 'IBM01144'; case 'ccsid1145': case 'cp1145': case 'ebcdices284euro': case 'ibm1145': return 'IBM01145'; case 'ccsid1146': case 'cp1146': case 'ebcdicgb285euro': case 'ibm1146': return 'IBM01146'; case 'ccsid1147': case 'cp1147': case 'ebcdicfr297euro': case 'ibm1147': return 'IBM01147'; case 'ccsid1148': case 'cp1148': case 'ebcdicinternational500euro': case 'ibm1148': return 'IBM01148'; case 'ccsid1149': case 'cp1149': case 'ebcdicis871euro': case 'ibm1149': return 'IBM01149'; case 'csiso143iecp271': case 'iecp271': case 'isoir143': return 'IEC_P27-1'; case 'csiso49inis': case 'inis': case 'isoir49': return 'INIS'; case 'csiso50inis8': case 'inis8': case 'isoir50': return 'INIS-8'; case 'csiso51iniscyrillic': case 'iniscyrillic': case 'isoir51': return 'INIS-cyrillic'; case 'csinvariant': case 'invariant': return 'INVARIANT'; case 'iso2022cn': return 'ISO-2022-CN'; case 'iso2022cnext': return 'ISO-2022-CN-EXT'; case 'csiso2022jp': case 'iso2022jp': return 'ISO-2022-JP'; case 'csiso2022jp2': case 'iso2022jp2': return 'ISO-2022-JP-2'; case 'csiso2022kr': case 'iso2022kr': return 'ISO-2022-KR'; case 'cswindows30latin1': case 'iso88591windows30latin1': return 'ISO-8859-1-Windows-3.0-Latin-1'; case 'cswindows31latin1': case 'iso88591windows31latin1': return 'ISO-8859-1-Windows-3.1-Latin-1'; case 'csisolatin2': case 'iso88592': case 'iso885921987': case 'isoir101': case 'l2': case 'latin2': return 'ISO-8859-2'; case 'cswindows31latin2': case 'iso88592windowslatin2': return 'ISO-8859-2-Windows-Latin-2'; case 'csisolatin3': case 'iso88593': case 'iso885931988': case 'isoir109': case 'l3': case 'latin3': return 'ISO-8859-3'; case 'csisolatin4': case 'iso88594': case 'iso885941988': case 'isoir110': case 'l4': case 'latin4': return 'ISO-8859-4'; case 'csisolatincyrillic': case 'cyrillic': case 'iso88595': case 'iso885951988': case 'isoir144': return 'ISO-8859-5'; case 'arabic': case 'asmo708': case 'csisolatinarabic': case 'ecma114': case 'iso88596': case 'iso885961987': case 'isoir127': return 'ISO-8859-6'; case 'csiso88596e': case 'iso88596e': return 'ISO-8859-6-E'; case 'csiso88596i': case 'iso88596i': return 'ISO-8859-6-I'; case 'csisolatingreek': case 'ecma118': case 'elot928': case 'greek': case 'greek8': case 'iso88597': case 'iso885971987': case 'isoir126': return 'ISO-8859-7'; case 'csisolatinhebrew': case 'hebrew': case 'iso88598': case 'iso885981988': case 'isoir138': return 'ISO-8859-8'; case 'csiso88598e': case 'iso88598e': return 'ISO-8859-8-E'; case 'csiso88598i': case 'iso88598i': return 'ISO-8859-8-I'; case 'cswindows31latin5': case 'iso88599windowslatin5': return 'ISO-8859-9-Windows-Latin-5'; case 'csisolatin6': case 'iso885910': case 'iso8859101992': case 'isoir157': case 'l6': case 'latin6': return 'ISO-8859-10'; case 'iso885913': return 'ISO-8859-13'; case 'iso885914': case 'iso8859141998': case 'isoceltic': case 'isoir199': case 'l8': case 'latin8': return 'ISO-8859-14'; case 'iso885915': case 'latin9': return 'ISO-8859-15'; case 'iso885916': case 'iso8859162001': case 'isoir226': case 'l10': case 'latin10': return 'ISO-8859-16'; case 'iso10646j1': return 'ISO-10646-J-1'; case 'csunicode': case 'iso10646ucs2': return 'ISO-10646-UCS-2'; case 'csucs4': case 'iso10646ucs4': return 'ISO-10646-UCS-4'; case 'csunicodeascii': case 'iso10646ucsbasic': return 'ISO-10646-UCS-Basic'; case 'csunicodelatin1': case 'iso10646': case 'iso10646unicodelatin1': return 'ISO-10646-Unicode-Latin1'; case 'csiso10646utf1': case 'iso10646utf1': return 'ISO-10646-UTF-1'; case 'csiso115481': case 'iso115481': case 'isotr115481': return 'ISO-11548-1'; case 'csiso90': case 'isoir90': return 'iso-ir-90'; case 'csunicodeibm1261': case 'isounicodeibm1261': return 'ISO-Unicode-IBM-1261'; case 'csunicodeibm1264': case 'isounicodeibm1264': return 'ISO-Unicode-IBM-1264'; case 'csunicodeibm1265': case 'isounicodeibm1265': return 'ISO-Unicode-IBM-1265'; case 'csunicodeibm1268': case 'isounicodeibm1268': return 'ISO-Unicode-IBM-1268'; case 'csunicodeibm1276': case 'isounicodeibm1276': return 'ISO-Unicode-IBM-1276'; case 'csiso646basic1983': case 'iso646basic1983': case 'ref': return 'ISO_646.basic:1983'; case 'csiso2intlrefversion': case 'irv': case 'iso646irv1983': case 'isoir2': return 'ISO_646.irv:1983'; case 'csiso2033': case 'e13b': case 'iso20331983': case 'isoir98': return 'ISO_2033-1983'; case 'csiso5427cyrillic': case 'iso5427': case 'isoir37': return 'ISO_5427'; case 'iso5427cyrillic1981': case 'iso54271981': case 'isoir54': return 'ISO_5427:1981'; case 'csiso5428greek': case 'iso54281980': case 'isoir55': return 'ISO_5428:1980'; case 'csiso6937add': case 'iso6937225': case 'isoir152': return 'ISO_6937-2-25'; case 'csisotextcomm': case 'iso69372add': case 'isoir142': return 'ISO_6937-2-add'; case 'csiso8859supp': case 'iso8859supp': case 'isoir154': case 'latin125': return 'ISO_8859-supp'; case 'csiso10367box': case 'iso10367box': case 'isoir155': return 'ISO_10367-box'; case 'csiso15italian': case 'iso646it': case 'isoir15': case 'it': return 'IT'; case 'csiso13jisc6220jp': case 'isoir13': case 'jisc62201969': case 'jisc62201969jp': case 'katakana': case 'x2017': return 'JIS_C6220-1969-jp'; case 'csiso14jisc6220ro': case 'iso646jp': case 'isoir14': case 'jisc62201969ro': case 'jp': return 'JIS_C6220-1969-ro'; case 'csiso42jisc62261978': case 'isoir42': case 'jisc62261978': return 'JIS_C6226-1978'; case 'csiso87jisx208': case 'isoir87': case 'jisc62261983': case 'jisx2081983': case 'x208': return 'JIS_C6226-1983'; case 'csiso91jisc62291984a': case 'isoir91': case 'jisc62291984a': case 'jpocra': return 'JIS_C6229-1984-a'; case 'csiso92jisc62991984b': case 'iso646jpocrb': case 'isoir92': case 'jisc62291984b': case 'jpocrb': return 'JIS_C6229-1984-b'; case 'csiso93jis62291984badd': case 'isoir93': case 'jisc62291984badd': case 'jpocrbadd': return 'JIS_C6229-1984-b-add'; case 'csiso94jis62291984hand': case 'isoir94': case 'jisc62291984hand': case 'jpocrhand': return 'JIS_C6229-1984-hand'; case 'csiso95jis62291984handadd': case 'isoir95': case 'jisc62291984handadd': case 'jpocrhandadd': return 'JIS_C6229-1984-hand-add'; case 'csiso96jisc62291984kana': case 'isoir96': case 'jisc62291984kana': return 'JIS_C6229-1984-kana'; case 'csjisencoding': case 'jisencoding': return 'JIS_Encoding'; case 'cshalfwidthkatakana': case 'jisx201': case 'x201': return 'JIS_X0201'; case 'csiso159jisx2121990': case 'isoir159': case 'jisx2121990': case 'x212': return 'JIS_X0212-1990'; case 'csiso141jusib1002': case 'iso646yu': case 'isoir141': case 'js': case 'jusib1002': case 'yu': return 'JUS_I.B1.002'; case 'csiso147macedonian': case 'isoir147': case 'jusib1003mac': case 'macedonian': return 'JUS_I.B1.003-mac'; case 'csiso146serbian': case 'isoir146': case 'jusib1003serb': case 'serbian': return 'JUS_I.B1.003-serb'; case 'koi7switched': return 'KOI7-switched'; case 'cskoi8r': case 'koi8r': return 'KOI8-R'; case 'koi8u': return 'KOI8-U'; case 'csksc5636': case 'iso646kr': case 'ksc5636': return 'KSC5636'; case 'cskz1048': case 'kz1048': case 'rk1048': case 'strk10482002': return 'KZ-1048'; case 'csiso19latingreek': case 'isoir19': case 'latingreek': return 'latin-greek'; case 'csiso27latingreek1': case 'isoir27': case 'latingreek1': return 'Latin-greek-1'; case 'csiso158lap': case 'isoir158': case 'lap': case 'latinlap': return 'latin-lap'; case 'csmacintosh': case 'mac': case 'macintosh': return 'macintosh'; case 'csmicrosoftpublishing': case 'microsoftpublishing': return 'Microsoft-Publishing'; case 'csmnem': case 'mnem': return 'MNEM'; case 'csmnemonic': case 'mnemonic': return 'MNEMONIC'; case 'csiso86hungarian': case 'hu': case 'iso646hu': case 'isoir86': case 'msz77953': return 'MSZ_7795.3'; case 'csnatsdano': case 'isoir91': case 'natsdano': return 'NATS-DANO'; case 'csnatsdanoadd': case 'isoir92': case 'natsdanoadd': return 'NATS-DANO-ADD'; case 'csnatssefi': case 'isoir81': case 'natssefi': return 'NATS-SEFI'; case 'csnatssefiadd': case 'isoir82': case 'natssefiadd': return 'NATS-SEFI-ADD'; case 'csiso151cuba': case 'cuba': case 'iso646cu': case 'isoir151': case 'ncnc1081': return 'NC_NC00-10:81'; case 'csiso69french': case 'fr': case 'iso646fr': case 'isoir69': case 'nfz62010': return 'NF_Z_62-010'; case 'csiso25french': case 'iso646fr1': case 'isoir25': case 'nfz620101973': return 'NF_Z_62-010_(1973)'; case 'csiso60danishnorwegian': case 'csiso60norwegian1': case 'iso646no': case 'isoir60': case 'no': case 'ns45511': return 'NS_4551-1'; case 'csiso61norwegian2': case 'iso646no2': case 'isoir61': case 'no2': case 'ns45512': return 'NS_4551-2'; case 'osdebcdicdf3irv': return 'OSD_EBCDIC_DF03_IRV'; case 'osdebcdicdf41': return 'OSD_EBCDIC_DF04_1'; case 'osdebcdicdf415': return 'OSD_EBCDIC_DF04_15'; case 'cspc8danishnorwegian': case 'pc8danishnorwegian': return 'PC8-Danish-Norwegian'; case 'cspc8turkish': case 'pc8turkish': return 'PC8-Turkish'; case 'csiso16portuguese': case 'iso646pt': case 'isoir16': case 'pt': return 'PT'; case 'csiso84portuguese2': case 'iso646pt2': case 'isoir84': case 'pt2': return 'PT2'; case 'cp154': case 'csptcp154': case 'cyrillicasian': case 'pt154': case 'ptcp154': return 'PTCP154'; case 'scsu': return 'SCSU'; case 'csiso10swedish': case 'fi': case 'iso646fi': case 'iso646se': case 'isoir10': case 'se': case 'sen850200b': return 'SEN_850200_B'; case 'csiso11swedishfornames': case 'iso646se2': case 'isoir11': case 'se2': case 'sen850200c': return 'SEN_850200_C'; case 'csiso102t617bit': case 'isoir102': case 't617bit': return 'T.61-7bit'; case 'csiso103t618bit': case 'isoir103': case 't61': case 't618bit': return 'T.61-8bit'; case 'csiso128t101g2': case 'isoir128': case 't101g2': return 'T.101-G2'; case 'cstscii': case 'tscii': return 'TSCII'; case 'csunicode11': case 'unicode11': return 'UNICODE-1-1'; case 'csunicode11utf7': case 'unicode11utf7': return 'UNICODE-1-1-UTF-7'; case 'csunknown8bit': case 'unknown8bit': return 'UNKNOWN-8BIT'; case 'ansix341968': case 'ansix341986': case 'ascii': case 'cp367': case 'csascii': case 'ibm367': case 'iso646irv1991': case 'iso646us': case 'isoir6': case 'us': case 'usascii': return 'US-ASCII'; case 'csusdk': case 'usdk': return 'us-dk'; case 'utf7': return 'UTF-7'; case 'utf8': return 'UTF-8'; case 'utf16': return 'UTF-16'; case 'utf16be': return 'UTF-16BE'; case 'utf16le': return 'UTF-16LE'; case 'utf32': return 'UTF-32'; case 'utf32be': return 'UTF-32BE'; case 'utf32le': return 'UTF-32LE'; case 'csventurainternational': case 'venturainternational': return 'Ventura-International'; case 'csventuramath': case 'venturamath': return 'Ventura-Math'; case 'csventuraus': case 'venturaus': return 'Ventura-US'; case 'csiso70videotexsupp1': case 'isoir70': case 'videotexsuppl': return 'videotex-suppl'; case 'csviqr': case 'viqr': return 'VIQR'; case 'csviscii': case 'viscii': return 'VISCII'; case 'csshiftjis': case 'cswindows31j': case 'mskanji': case 'shiftjis': case 'windows31j': return 'Windows-31J'; case 'iso885911': case 'tis620': return 'windows-874'; case 'cseuckr': case 'csksc56011987': case 'euckr': case 'isoir149': case 'korean': case 'ksc5601': case 'ksc56011987': case 'ksc56011989': case 'windows949': return 'windows-949'; case 'windows1250': return 'windows-1250'; case 'windows1251': return 'windows-1251'; case 'cp819': case 'csisolatin1': case 'ibm819': case 'iso88591': case 'iso885911987': case 'isoir100': case 'l1': case 'latin1': case 'windows1252': return 'windows-1252'; case 'windows1253': return 'windows-1253'; case 'csisolatin5': case 'iso88599': case 'iso885991989': case 'isoir148': case 'l5': case 'latin5': case 'windows1254': return 'windows-1254'; case 'windows1255': return 'windows-1255'; case 'windows1256': return 'windows-1256'; case 'windows1257': return 'windows-1257'; case 'windows1258': return 'windows-1258'; default: return $charset; } } public static function get_curl_version() { if (is_array($curl = curl_version())) { $curl = $curl['version']; } elseif (substr($curl, 0, 5) === 'curl/') { $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5)); } elseif (substr($curl, 0, 8) === 'libcurl/') { $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8)); } else { $curl = 0; } return $curl; } /** * Strip HTML comments * * @param string $data Data to strip comments from * @return string Comment stripped string */ public static function strip_comments($data) { $output = ''; while (($start = strpos($data, '<!--')) !== false) { $output .= substr($data, 0, $start); if (($end = strpos($data, '-->', $start)) !== false) { $data = substr_replace($data, '', 0, $end + 3); } else { $data = ''; } } return $output . $data; } public static function parse_date($dt) { $parser = SimplePie_Parse_Date::get(); return $parser->parse($dt); } /** * Decode HTML entities * * @deprecated Use DOMDocument instead * @param string $data Input data * @return string Output data */ public static function entities_decode($data) { $decoder = new SimplePie_Decode_HTML_Entities($data); return $decoder->parse(); } /** * Remove RFC822 comments * * @param string $data Data to strip comments from * @return string Comment stripped string */ public static function uncomment_rfc822($string) { $string = (string) $string; $position = 0; $length = strlen($string); $depth = 0; $output = ''; while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) { $output .= substr($string, $position, $pos - $position); $position = $pos + 1; if ($string[$pos - 1] !== '\\') { $depth++; while ($depth && $position < $length) { $position += strcspn($string, '()', $position); if ($string[$position - 1] === '\\') { $position++; continue; } elseif (isset($string[$position])) { switch ($string[$position]) { case '(': $depth++; break; case ')': $depth--; break; } $position++; } else { break; } } } else { $output .= '('; } } $output .= substr($string, $position); return $output; } public static function parse_mime($mime) { if (($pos = strpos($mime, ';')) === false) { return trim($mime); } return trim(substr($mime, 0, $pos)); } public static function atom_03_construct_type($attribs) { if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64')) { $mode = SIMPLEPIE_CONSTRUCT_BASE64; } else { $mode = SIMPLEPIE_CONSTRUCT_NONE; } if (isset($attribs['']['type'])) { switch (strtolower(trim($attribs['']['type']))) { case 'text': case 'text/plain': return SIMPLEPIE_CONSTRUCT_TEXT | $mode; case 'html': case 'text/html': return SIMPLEPIE_CONSTRUCT_HTML | $mode; case 'xhtml': case 'application/xhtml+xml': return SIMPLEPIE_CONSTRUCT_XHTML | $mode; default: return SIMPLEPIE_CONSTRUCT_NONE | $mode; } } return SIMPLEPIE_CONSTRUCT_TEXT | $mode; } public static function atom_10_construct_type($attribs) { if (isset($attribs['']['type'])) { switch (strtolower(trim($attribs['']['type']))) { case 'text': return SIMPLEPIE_CONSTRUCT_TEXT; case 'html': return SIMPLEPIE_CONSTRUCT_HTML; case 'xhtml': return SIMPLEPIE_CONSTRUCT_XHTML; default: return SIMPLEPIE_CONSTRUCT_NONE; } } return SIMPLEPIE_CONSTRUCT_TEXT; } public static function atom_10_content_construct_type($attribs) { if (isset($attribs['']['type'])) { $type = strtolower(trim($attribs['']['type'])); switch ($type) { case 'text': return SIMPLEPIE_CONSTRUCT_TEXT; case 'html': return SIMPLEPIE_CONSTRUCT_HTML; case 'xhtml': return SIMPLEPIE_CONSTRUCT_XHTML; } if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/') { return SIMPLEPIE_CONSTRUCT_NONE; } else { return SIMPLEPIE_CONSTRUCT_BASE64; } } return SIMPLEPIE_CONSTRUCT_TEXT; } public static function is_isegment_nz_nc($string) { return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string); } public static function space_separated_tokens($string) { $space_characters = "\x20\x09\x0A\x0B\x0C\x0D"; $string_length = strlen($string); $position = strspn($string, $space_characters); $tokens = array(); while ($position < $string_length) { $len = strcspn($string, $space_characters, $position); $tokens[] = substr($string, $position, $len); $position += $len; $position += strspn($string, $space_characters, $position); } return $tokens; } /** * Converts a unicode codepoint to a UTF-8 character * * @static * @param int $codepoint Unicode codepoint * @return string UTF-8 character */ public static function codepoint_to_utf8($codepoint) { $codepoint = (int) $codepoint; if ($codepoint < 0) { return false; } else if ($codepoint <= 0x7f) { return chr($codepoint); } else if ($codepoint <= 0x7ff) { return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f)); } else if ($codepoint <= 0xffff) { return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); } else if ($codepoint <= 0x10ffff) { return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); } // U+FFFD REPLACEMENT CHARACTER return "\xEF\xBF\xBD"; } /** * Similar to parse_str() * * Returns an associative array of name/value pairs, where the value is an * array of values that have used the same name * * @static * @param string $str The input string. * @return array */ public static function parse_str($str) { $return = array(); $str = explode('&', $str); foreach ($str as $section) { if (strpos($section, '=') !== false) { list($name, $value) = explode('=', $section, 2); $return[urldecode($name)][] = urldecode($value); } else { $return[urldecode($section)][] = null; } } return $return; } /** * Detect XML encoding, as per XML 1.0 Appendix F.1 * * @todo Add support for EBCDIC * @param string $data XML data * @param SimplePie_Registry $registry Class registry * @return array Possible encodings */ public static function xml_encoding($data, $registry) { // UTF-32 Big Endian BOM if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") { $encoding[] = 'UTF-32BE'; } // UTF-32 Little Endian BOM elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") { $encoding[] = 'UTF-32LE'; } // UTF-16 Big Endian BOM elseif (substr($data, 0, 2) === "\xFE\xFF") { $encoding[] = 'UTF-16BE'; } // UTF-16 Little Endian BOM elseif (substr($data, 0, 2) === "\xFF\xFE") { $encoding[] = 'UTF-16LE'; } // UTF-8 BOM elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") { $encoding[] = 'UTF-8'; } // UTF-32 Big Endian Without BOM elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C") { if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E")) { $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'))); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-32BE'; } // UTF-32 Little Endian Without BOM elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00") { if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00")) { $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'))); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-32LE'; } // UTF-16 Big Endian Without BOM elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C") { if ($pos = strpos($data, "\x00\x3F\x00\x3E")) { $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'))); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-16BE'; } // UTF-16 Little Endian Without BOM elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00") { if ($pos = strpos($data, "\x3F\x00\x3E\x00")) { $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'))); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-16LE'; } // US-ASCII (or superset) elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C") { if ($pos = strpos($data, "\x3F\x3E")) { $parser = $registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5))); if ($parser->parse()) { $encoding[] = $parser->encoding; } } $encoding[] = 'UTF-8'; } // Fallback to UTF-8 else { $encoding[] = 'UTF-8'; } return $encoding; } public static function output_javascript() { if (function_exists('ob_gzhandler')) { ob_start('ob_gzhandler'); } header('Content-type: text/javascript; charset: UTF-8'); header('Cache-Control: must-revalidate'); header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days ?> function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { if (placeholder != '') { document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); } else { document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); } } function embed_flash(bgcolor, width, height, link, loop, type) { document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>'); } function embed_flv(width, height, link, placeholder, loop, player) { document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>'); } function embed_wmedia(width, height, link) { document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>'); } <?php } /** * Get the SimplePie build timestamp * * Uses the git index if it exists, otherwise uses the modification time * of the newest file. */ public static function get_build() { $root = dirname(dirname(__FILE__)); if (file_exists($root . '/.git/index')) { return filemtime($root . '/.git/index'); } elseif (file_exists($root . '/SimplePie')) { $time = 0; foreach (glob($root . '/SimplePie/*.php') as $file) { if (($mtime = filemtime($file)) > $time) { $time = $mtime; } } return $time; } elseif (file_exists(dirname(__FILE__) . '/Core.php')) { return filemtime(dirname(__FILE__) . '/Core.php'); } return filemtime(__FILE__); } /** * Format debugging information */ public static function debug(&$sp) { $info = 'SimplePie ' . SIMPLEPIE_VERSION . ' Build ' . SIMPLEPIE_BUILD . "\n"; $info .= 'PHP ' . PHP_VERSION . "\n"; if ($sp->error() !== null) { $info .= 'Error occurred: ' . $sp->error() . "\n"; } else { $info .= "No error found.\n"; } $info .= "Extensions:\n"; $extensions = array('pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml'); foreach ($extensions as $ext) { if (extension_loaded($ext)) { $info .= " $ext loaded\n"; switch ($ext) { case 'pcre': $info .= ' Version ' . PCRE_VERSION . "\n"; break; case 'curl': $version = curl_version(); $info .= ' Version ' . $version['version'] . "\n"; break; case 'mbstring': $info .= ' Overloading: ' . mb_get_info('func_overload') . "\n"; break; case 'iconv': $info .= ' Version ' . ICONV_VERSION . "\n"; break; case 'xml': $info .= ' Version ' . LIBXML_DOTTED_VERSION . "\n"; break; } } else { $info .= " $ext not loaded\n"; } } return $info; } public static function silence_errors($num, $str) { // No-op } }
