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<?php /** * * This file is part of the phpBB Forum Software package. * * @copyright (c) phpBB Limited <https://www.phpbb.com> * @license GNU General Public License, version 2 (GPL-2.0) * * For full copyright and license information, please see * the docs/CREDITS.txt file. * */ /** */ if (!defined('IN_PHPBB')) { exit; } // Enforce ASCII only string handling setlocale(LC_CTYPE, 'C'); /** * Setup the UTF-8 portability layer */ Patchwork\Utf8\Bootup::initUtf8Encode(); Patchwork\Utf8\Bootup::initMbstring(); Patchwork\Utf8\Bootup::initIntl(); /** * UTF-8 tools * * Whenever possible, these functions will try to use PHP's built-in functions or * extensions, otherwise they will default to custom routines. * */ /** * UTF-8 aware alternative to strrpos * @ignore */ function utf8_strrpos($str, $needle, $offset = null) { // Emulate behaviour of strrpos rather than raising warning if (empty($str)) { return false; } if (is_null($offset)) { return mb_strrpos($str, $needle); } else { return mb_strrpos($str, $needle, $offset); } } /** * UTF-8 aware alternative to strpos * @ignore */ function utf8_strpos($str, $needle, $offset = null) { if (is_null($offset)) { return mb_strpos($str, $needle); } else { return mb_strpos($str, $needle, $offset); } } /** * UTF-8 aware alternative to strtolower * @ignore */ function utf8_strtolower($str) { return mb_strtolower($str); } /** * UTF-8 aware alternative to strtoupper * @ignore */ function utf8_strtoupper($str) { return mb_strtoupper($str); } /** * UTF-8 aware alternative to substr * @ignore */ function utf8_substr($str, $offset, $length = null) { if (is_null($length)) { return mb_substr($str, $offset); } else { return mb_substr($str, $offset, $length); } } /** * Return the length (in characters) of a UTF-8 string * @ignore */ function utf8_strlen($text) { return mb_strlen($text, 'utf-8'); } /** * UTF-8 aware alternative to str_split * Convert a string to an array * * @author Harry Fuecks * @param string $str UTF-8 encoded * @param int $split_len number to characters to split string by * @return array characters in string reverses */ function utf8_str_split($str, $split_len = 1) { if (!is_int($split_len) || $split_len < 1) { return false; } $len = utf8_strlen($str); if ($len <= $split_len) { return array($str); } preg_match_all('/.{' . $split_len . '}|[^\x00]{1,' . $split_len . '}$/us', $str, $ar); return $ar[0]; } /** * UTF-8 aware alternative to strspn * Find length of initial segment matching the mask * * @author Harry Fuecks */ function utf8_strspn($str, $mask, $start = null, $length = null) { if ($start !== null || $length !== null) { $str = utf8_substr($str, $start, $length); } preg_match('/^[' . $mask . ']+/u', $str, $matches); if (isset($matches[0])) { return utf8_strlen($matches[0]); } return 0; } /** * UTF-8 aware alternative to ucfirst * Make a string's first character uppercase * * @author Harry Fuecks * @param string * @return string with first character as upper case (if applicable) */ function utf8_ucfirst($str) { switch (utf8_strlen($str)) { case 0: return ''; break; case 1: return utf8_strtoupper($str); break; default: preg_match('/^(.{1})(.*)$/us', $str, $matches); return utf8_strtoupper($matches[1]) . $matches[2]; break; } } /** * Recode a string to UTF-8 * * If the encoding is not supported, the string is returned as-is * * @param string $string Original string * @param string $encoding Original encoding (lowered) * @return string The string, encoded in UTF-8 */ function utf8_recode($string, $encoding) { $encoding = strtolower($encoding); if ($encoding == 'utf-8' || !is_string($string) || empty($string)) { return $string; } // we force iso-8859-1 to be cp1252 if ($encoding == 'iso-8859-1') { $encoding = 'cp1252'; } // convert iso-8859-8-i to iso-8859-8 else if ($encoding == 'iso-8859-8-i') { $encoding = 'iso-8859-8'; $string = hebrev($string); } // First, try iconv() if (function_exists('iconv')) { $ret = @iconv($encoding, 'utf-8', $string); if (!empty($ret)) { return $ret; } } // Try the mb_string extension if (function_exists('mb_convert_encoding')) { // mbstring is nasty on PHP4, we must make *sure* that we send a good encoding switch ($encoding) { case 'iso-8859-1': case 'iso-8859-2': case 'iso-8859-4': case 'iso-8859-7': case 'iso-8859-9': case 'iso-8859-15': case 'windows-1251': case 'windows-1252': case 'cp1252': case 'shift_jis': case 'euc-kr': case 'big5': case 'gb2312': $ret = @mb_convert_encoding($string, 'utf-8', $encoding); if (!empty($ret)) { return $ret; } } } // Try the recode extension if (function_exists('recode_string')) { $ret = @recode_string($encoding . '..utf-8', $string); if (!empty($ret)) { return $ret; } } // If nothing works, check if we have a custom transcoder available if (!preg_match('#^[a-z0-9_ \\-]+$#', $encoding)) { // Make sure the encoding name is alphanumeric, we don't want it to be abused into loading arbitrary files trigger_error('Unknown encoding: ' . $encoding, E_USER_ERROR); } global $phpbb_root_path, $phpEx; // iso-8859-* character encoding if (preg_match('/iso[_ -]?8859[_ -]?(\\d+)/', $encoding, $array)) { switch ($array[1]) { case '1': case '2': case '4': case '7': case '8': case '9': case '15': if (!function_exists('iso_8859_' . $array[1])) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx)) { trigger_error('Basic reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx); } return call_user_func('iso_8859_' . $array[1], $string); break; default: trigger_error('Unknown encoding: ' . $encoding, E_USER_ERROR); break; } } // CP/WIN character encoding if (preg_match('/(?:cp|windows)[_\- ]?(\\d+)/', $encoding, $array)) { switch ($array[1]) { case '932': break; case '1250': case '1251': case '1252': case '1254': case '1255': case '1256': case '1257': case '874': if (!function_exists('cp' . $array[1])) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx)) { trigger_error('Basic reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx); } return call_user_func('cp' . $array[1], $string); break; default: trigger_error('Unknown encoding: ' . $encoding, E_USER_ERROR); break; } } // TIS-620 if (preg_match('/tis[_ -]?620/', $encoding)) { if (!function_exists('tis_620')) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx)) { trigger_error('Basic reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_basic.' . $phpEx); } return tis_620($string); } // SJIS if (preg_match('/sjis(?:[_ -]?win)?|(?:cp|ibm)[_ -]?932|shift[_ -]?jis/', $encoding)) { if (!function_exists('sjis')) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx)) { trigger_error('CJK reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx); } return sjis($string); } // EUC_KR if (preg_match('/euc[_ -]?kr/', $encoding)) { if (!function_exists('euc_kr')) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx)) { trigger_error('CJK reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx); } return euc_kr($string); } // BIG-5 if (preg_match('/big[_ -]?5/', $encoding)) { if (!function_exists('big5')) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx)) { trigger_error('CJK reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx); } return big5($string); } // GB2312 if (preg_match('/gb[_ -]?2312/', $encoding)) { if (!function_exists('gb2312')) { if (!file_exists($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx)) { trigger_error('CJK reencoder file is missing', E_USER_ERROR); } include($phpbb_root_path . 'includes/utf/data/recode_cjk.' . $phpEx); } return gb2312($string); } // Trigger an error?! Fow now just give bad data :-( trigger_error('Unknown encoding: ' . $encoding, E_USER_ERROR); } /** * Replace all UTF-8 chars that are not in ASCII with their NCR * * @param string $text UTF-8 string in NFC * @return string ASCII string using NCRs for non-ASCII chars */ function utf8_encode_ncr($text) { return preg_replace_callback('#[\\xC2-\\xF4][\\x80-\\xBF]{1,3}#', 'utf8_encode_ncr_callback', $text); } /** * Callback used in encode_ncr() * * Takes a UTF-8 char and replaces it with its NCR. Attention, $m is an array * * @param array $m 0-based numerically indexed array passed by preg_replace_callback() * @return string A HTML NCR if the character is valid, or the original string otherwise */ function utf8_encode_ncr_callback($m) { return '&#' . utf8_ord($m[0]) . ';'; } /** * Converts a UTF-8 char to an NCR * * @param string $chr UTF-8 char * @return integer UNICODE code point */ function utf8_ord($chr) { switch (strlen($chr)) { case 1: return ord($chr); break; case 2: return ((ord($chr[0]) & 0x1F) << 6) | (ord($chr[1]) & 0x3F); break; case 3: return ((ord($chr[0]) & 0x0F) << 12) | ((ord($chr[1]) & 0x3F) << 6) | (ord($chr[2]) & 0x3F); break; case 4: return ((ord($chr[0]) & 0x07) << 18) | ((ord($chr[1]) & 0x3F) << 12) | ((ord($chr[2]) & 0x3F) << 6) | (ord($chr[3]) & 0x3F); break; default: return $chr; } } /** * Converts an NCR to a UTF-8 char * * @param int $cp UNICODE code point * @return string UTF-8 char */ function utf8_chr($cp) { if ($cp > 0xFFFF) { return chr(0xF0 | ($cp >> 18)) . chr(0x80 | (($cp >> 12) & 0x3F)) . chr(0x80 | (($cp >> 6) & 0x3F)) . chr(0x80 | ($cp & 0x3F)); } else if ($cp > 0x7FF) { return chr(0xE0 | ($cp >> 12)) . chr(0x80 | (($cp >> 6) & 0x3F)) . chr(0x80 | ($cp & 0x3F)); } else if ($cp > 0x7F) { return chr(0xC0 | ($cp >> 6)) . chr(0x80 | ($cp & 0x3F)); } else { return chr($cp); } } /** * Convert Numeric Character References to UTF-8 chars * * Notes: * - we do not convert NCRs recursively, if you pass &#38;#38; it will return &#38; * - we DO NOT check for the existence of the Unicode characters, therefore an entity may be converted to an inexistent codepoint * * @param string $text String to convert, encoded in UTF-8 (no normal form required) * @return string UTF-8 string where NCRs have been replaced with the actual chars */ function utf8_decode_ncr($text) { return preg_replace_callback('/&#([0-9]{1,6}|x[0-9A-F]{1,5});/i', 'utf8_decode_ncr_callback', $text); } /** * Callback used in decode_ncr() * * Takes a NCR (in decimal or hexadecimal) and returns a UTF-8 char. Attention, $m is an array. * It will ignore most of invalid NCRs, but not all! * * @param array $m 0-based numerically indexed array passed by preg_replace_callback() * @return string UTF-8 char */ function utf8_decode_ncr_callback($m) { $cp = (strncasecmp($m[1], 'x', 1)) ? $m[1] : hexdec(substr($m[1], 1)); return utf8_chr($cp); } /** * Case folds a unicode string as per Unicode 5.0, section 3.13 * * @param string $text text to be case folded * @param string $option determines how we will fold the cases * @return string case folded text */ function utf8_case_fold($text, $option = 'full') { static $uniarray = array(); global $phpbb_root_path, $phpEx; // common is always set if (!isset($uniarray['c'])) { $uniarray['c'] = include($phpbb_root_path . 'includes/utf/data/case_fold_c.' . $phpEx); } // only set full if we need to if ($option === 'full' && !isset($uniarray['f'])) { $uniarray['f'] = include($phpbb_root_path . 'includes/utf/data/case_fold_f.' . $phpEx); } // only set simple if we need to if ($option !== 'full' && !isset($uniarray['s'])) { $uniarray['s'] = include($phpbb_root_path . 'includes/utf/data/case_fold_s.' . $phpEx); } // common is always replaced $text = strtr($text, $uniarray['c']); if ($option === 'full') { // full replaces a character with multiple characters $text = strtr($text, $uniarray['f']); } else { // simple replaces a character with another character $text = strtr($text, $uniarray['s']); } return $text; } /** * Takes the input and does a "special" case fold. It does minor normalization * and returns NFKC compatable text * * @param string $text text to be case folded * @param string $option determines how we will fold the cases * @return string case folded text */ function utf8_case_fold_nfkc($text, $option = 'full') { static $fc_nfkc_closure = array( "\xCD\xBA" => "\x20\xCE\xB9", "\xCF\x92" => "\xCF\x85", "\xCF\x93" => "\xCF\x8D", "\xCF\x94" => "\xCF\x8B", "\xCF\xB2" => "\xCF\x83", "\xCF\xB9" => "\xCF\x83", "\xE1\xB4\xAC" => "\x61", "\xE1\xB4\xAD" => "\xC3\xA6", "\xE1\xB4\xAE" => "\x62", "\xE1\xB4\xB0" => "\x64", "\xE1\xB4\xB1" => "\x65", "\xE1\xB4\xB2" => "\xC7\x9D", "\xE1\xB4\xB3" => "\x67", "\xE1\xB4\xB4" => "\x68", "\xE1\xB4\xB5" => "\x69", "\xE1\xB4\xB6" => "\x6A", "\xE1\xB4\xB7" => "\x6B", "\xE1\xB4\xB8" => "\x6C", "\xE1\xB4\xB9" => "\x6D", "\xE1\xB4\xBA" => "\x6E", "\xE1\xB4\xBC" => "\x6F", "\xE1\xB4\xBD" => "\xC8\xA3", "\xE1\xB4\xBE" => "\x70", "\xE1\xB4\xBF" => "\x72", "\xE1\xB5\x80" => "\x74", "\xE1\xB5\x81" => "\x75", "\xE1\xB5\x82" => "\x77", "\xE2\x82\xA8" => "\x72\x73", "\xE2\x84\x82" => "\x63", "\xE2\x84\x83" => "\xC2\xB0\x63", "\xE2\x84\x87" => "\xC9\x9B", "\xE2\x84\x89" => "\xC2\xB0\x66", "\xE2\x84\x8B" => "\x68", "\xE2\x84\x8C" => "\x68", "\xE2\x84\x8D" => "\x68", "\xE2\x84\x90" => "\x69", "\xE2\x84\x91" => "\x69", "\xE2\x84\x92" => "\x6C", "\xE2\x84\x95" => "\x6E", "\xE2\x84\x96" => "\x6E\x6F", "\xE2\x84\x99" => "\x70", "\xE2\x84\x9A" => "\x71", "\xE2\x84\x9B" => "\x72", "\xE2\x84\x9C" => "\x72", "\xE2\x84\x9D" => "\x72", "\xE2\x84\xA0" => "\x73\x6D", "\xE2\x84\xA1" => "\x74\x65\x6C", "\xE2\x84\xA2" => "\x74\x6D", "\xE2\x84\xA4" => "\x7A", "\xE2\x84\xA8" => "\x7A", "\xE2\x84\xAC" => "\x62", "\xE2\x84\xAD" => "\x63", "\xE2\x84\xB0" => "\x65", "\xE2\x84\xB1" => "\x66", "\xE2\x84\xB3" => "\x6D", "\xE2\x84\xBB" => "\x66\x61\x78", "\xE2\x84\xBE" => "\xCE\xB3", "\xE2\x84\xBF" => "\xCF\x80", "\xE2\x85\x85" => "\x64", "\xE3\x89\x90" => "\x70\x74\x65", "\xE3\x8B\x8C" => "\x68\x67", "\xE3\x8B\x8E" => "\x65\x76", "\xE3\x8B\x8F" => "\x6C\x74\x64", "\xE3\x8D\xB1" => "\x68\x70\x61", "\xE3\x8D\xB3" => "\x61\x75", "\xE3\x8D\xB5" => "\x6F\x76", "\xE3\x8D\xBA" => "\x69\x75", "\xE3\x8E\x80" => "\x70\x61", "\xE3\x8E\x81" => "\x6E\x61", "\xE3\x8E\x82" => "\xCE\xBC\x61", "\xE3\x8E\x83" => "\x6D\x61", "\xE3\x8E\x84" => "\x6B\x61", "\xE3\x8E\x85" => "\x6B\x62", "\xE3\x8E\x86" => "\x6D\x62", "\xE3\x8E\x87" => "\x67\x62", "\xE3\x8E\x8A" => "\x70\x66", "\xE3\x8E\x8B" => "\x6E\x66", "\xE3\x8E\x8C" => "\xCE\xBC\x66", "\xE3\x8E\x90" => "\x68\x7A", "\xE3\x8E\x91" => "\x6B\x68\x7A", "\xE3\x8E\x92" => "\x6D\x68\x7A", "\xE3\x8E\x93" => "\x67\x68\x7A", "\xE3\x8E\x94" => "\x74\x68\x7A", "\xE3\x8E\xA9" => "\x70\x61", "\xE3\x8E\xAA" => "\x6B\x70\x61", "\xE3\x8E\xAB" => "\x6D\x70\x61", "\xE3\x8E\xAC" => "\x67\x70\x61", "\xE3\x8E\xB4" => "\x70\x76", "\xE3\x8E\xB5" => "\x6E\x76", "\xE3\x8E\xB6" => "\xCE\xBC\x76", "\xE3\x8E\xB7" => "\x6D\x76", "\xE3\x8E\xB8" => "\x6B\x76", "\xE3\x8E\xB9" => "\x6D\x76", "\xE3\x8E\xBA" => "\x70\x77", "\xE3\x8E\xBB" => "\x6E\x77", "\xE3\x8E\xBC" => "\xCE\xBC\x77", "\xE3\x8E\xBD" => "\x6D\x77", "\xE3\x8E\xBE" => "\x6B\x77", "\xE3\x8E\xBF" => "\x6D\x77", "\xE3\x8F\x80" => "\x6B\xCF\x89", "\xE3\x8F\x81" => "\x6D\xCF\x89", "\xE3\x8F\x83" => "\x62\x71", "\xE3\x8F\x86" => "\x63\xE2\x88\x95\x6B\x67", "\xE3\x8F\x87" => "\x63\x6F\x2E", "\xE3\x8F\x88" => "\x64\x62", "\xE3\x8F\x89" => "\x67\x79", "\xE3\x8F\x8B" => "\x68\x70", "\xE3\x8F\x8D" => "\x6B\x6B", "\xE3\x8F\x8E" => "\x6B\x6D", "\xE3\x8F\x97" => "\x70\x68", "\xE3\x8F\x99" => "\x70\x70\x6D", "\xE3\x8F\x9A" => "\x70\x72", "\xE3\x8F\x9C" => "\x73\x76", "\xE3\x8F\x9D" => "\x77\x62", "\xE3\x8F\x9E" => "\x76\xE2\x88\x95\x6D", "\xE3\x8F\x9F" => "\x61\xE2\x88\x95\x6D", "\xF0\x9D\x90\x80" => "\x61", "\xF0\x9D\x90\x81" => "\x62", "\xF0\x9D\x90\x82" => "\x63", "\xF0\x9D\x90\x83" => "\x64", "\xF0\x9D\x90\x84" => "\x65", "\xF0\x9D\x90\x85" => "\x66", "\xF0\x9D\x90\x86" => "\x67", "\xF0\x9D\x90\x87" => "\x68", "\xF0\x9D\x90\x88" => "\x69", "\xF0\x9D\x90\x89" => "\x6A", "\xF0\x9D\x90\x8A" => "\x6B", "\xF0\x9D\x90\x8B" => "\x6C", "\xF0\x9D\x90\x8C" => "\x6D", "\xF0\x9D\x90\x8D" => "\x6E", "\xF0\x9D\x90\x8E" => "\x6F", "\xF0\x9D\x90\x8F" => "\x70", "\xF0\x9D\x90\x90" => "\x71", "\xF0\x9D\x90\x91" => "\x72", "\xF0\x9D\x90\x92" => "\x73", "\xF0\x9D\x90\x93" => "\x74", "\xF0\x9D\x90\x94" => "\x75", "\xF0\x9D\x90\x95" => "\x76", "\xF0\x9D\x90\x96" => "\x77", "\xF0\x9D\x90\x97" => "\x78", "\xF0\x9D\x90\x98" => "\x79", "\xF0\x9D\x90\x99" => "\x7A", "\xF0\x9D\x90\xB4" => "\x61", "\xF0\x9D\x90\xB5" => "\x62", "\xF0\x9D\x90\xB6" => "\x63", "\xF0\x9D\x90\xB7" => "\x64", "\xF0\x9D\x90\xB8" => "\x65", "\xF0\x9D\x90\xB9" => "\x66", "\xF0\x9D\x90\xBA" => "\x67", "\xF0\x9D\x90\xBB" => "\x68", "\xF0\x9D\x90\xBC" => "\x69", "\xF0\x9D\x90\xBD" => "\x6A", "\xF0\x9D\x90\xBE" => "\x6B", "\xF0\x9D\x90\xBF" => "\x6C", "\xF0\x9D\x91\x80" => "\x6D", "\xF0\x9D\x91\x81" => "\x6E", "\xF0\x9D\x91\x82" => "\x6F", "\xF0\x9D\x91\x83" => "\x70", "\xF0\x9D\x91\x84" => "\x71", "\xF0\x9D\x91\x85" => "\x72", "\xF0\x9D\x91\x86" => "\x73", "\xF0\x9D\x91\x87" => "\x74", "\xF0\x9D\x91\x88" => "\x75", "\xF0\x9D\x91\x89" => "\x76", "\xF0\x9D\x91\x8A" => "\x77", "\xF0\x9D\x91\x8B" => "\x78", "\xF0\x9D\x91\x8C" => "\x79", "\xF0\x9D\x91\x8D" => "\x7A", "\xF0\x9D\x91\xA8" => "\x61", "\xF0\x9D\x91\xA9" => "\x62", "\xF0\x9D\x91\xAA" => "\x63", "\xF0\x9D\x91\xAB" => "\x64", "\xF0\x9D\x91\xAC" => "\x65", "\xF0\x9D\x91\xAD" => "\x66", "\xF0\x9D\x91\xAE" => "\x67", "\xF0\x9D\x91\xAF" => "\x68", "\xF0\x9D\x91\xB0" => "\x69", "\xF0\x9D\x91\xB1" => "\x6A", "\xF0\x9D\x91\xB2" => "\x6B", "\xF0\x9D\x91\xB3" => "\x6C", "\xF0\x9D\x91\xB4" => "\x6D", "\xF0\x9D\x91\xB5" => "\x6E", "\xF0\x9D\x91\xB6" => "\x6F", "\xF0\x9D\x91\xB7" => "\x70", "\xF0\x9D\x91\xB8" => "\x71", "\xF0\x9D\x91\xB9" => "\x72", "\xF0\x9D\x91\xBA" => "\x73", "\xF0\x9D\x91\xBB" => "\x74", "\xF0\x9D\x91\xBC" => "\x75", "\xF0\x9D\x91\xBD" => "\x76", "\xF0\x9D\x91\xBE" => "\x77", "\xF0\x9D\x91\xBF" => "\x78", "\xF0\x9D\x92\x80" => "\x79", "\xF0\x9D\x92\x81" => "\x7A", "\xF0\x9D\x92\x9C" => "\x61", "\xF0\x9D\x92\x9E" => "\x63", "\xF0\x9D\x92\x9F" => "\x64", "\xF0\x9D\x92\xA2" => "\x67", "\xF0\x9D\x92\xA5" => "\x6A", "\xF0\x9D\x92\xA6" => "\x6B", "\xF0\x9D\x92\xA9" => "\x6E", "\xF0\x9D\x92\xAA" => "\x6F", "\xF0\x9D\x92\xAB" => "\x70", "\xF0\x9D\x92\xAC" => "\x71", "\xF0\x9D\x92\xAE" => "\x73", "\xF0\x9D\x92\xAF" => "\x74", "\xF0\x9D\x92\xB0" => "\x75", "\xF0\x9D\x92\xB1" => "\x76", "\xF0\x9D\x92\xB2" => "\x77", "\xF0\x9D\x92\xB3" => "\x78", "\xF0\x9D\x92\xB4" => "\x79", "\xF0\x9D\x92\xB5" => "\x7A", "\xF0\x9D\x93\x90" => "\x61", "\xF0\x9D\x93\x91" => "\x62", "\xF0\x9D\x93\x92" => "\x63", "\xF0\x9D\x93\x93" => "\x64", "\xF0\x9D\x93\x94" => "\x65", "\xF0\x9D\x93\x95" => "\x66", "\xF0\x9D\x93\x96" => "\x67", "\xF0\x9D\x93\x97" => "\x68", "\xF0\x9D\x93\x98" => "\x69", "\xF0\x9D\x93\x99" => "\x6A", "\xF0\x9D\x93\x9A" => "\x6B", "\xF0\x9D\x93\x9B" => "\x6C", "\xF0\x9D\x93\x9C" => "\x6D", "\xF0\x9D\x93\x9D" => "\x6E", "\xF0\x9D\x93\x9E" => "\x6F", "\xF0\x9D\x93\x9F" => "\x70", "\xF0\x9D\x93\xA0" => "\x71", "\xF0\x9D\x93\xA1" => "\x72", "\xF0\x9D\x93\xA2" => "\x73", "\xF0\x9D\x93\xA3" => "\x74", "\xF0\x9D\x93\xA4" => "\x75", "\xF0\x9D\x93\xA5" => "\x76", "\xF0\x9D\x93\xA6" => "\x77", "\xF0\x9D\x93\xA7" => "\x78", "\xF0\x9D\x93\xA8" => "\x79", "\xF0\x9D\x93\xA9" => "\x7A", "\xF0\x9D\x94\x84" => "\x61", "\xF0\x9D\x94\x85" => "\x62", "\xF0\x9D\x94\x87" => "\x64", "\xF0\x9D\x94\x88" => "\x65", "\xF0\x9D\x94\x89" => "\x66", "\xF0\x9D\x94\x8A" => "\x67", "\xF0\x9D\x94\x8D" => "\x6A", "\xF0\x9D\x94\x8E" => "\x6B", "\xF0\x9D\x94\x8F" => "\x6C", "\xF0\x9D\x94\x90" => "\x6D", "\xF0\x9D\x94\x91" => "\x6E", "\xF0\x9D\x94\x92" => "\x6F", "\xF0\x9D\x94\x93" => "\x70", "\xF0\x9D\x94\x94" => "\x71", "\xF0\x9D\x94\x96" => "\x73", "\xF0\x9D\x94\x97" => "\x74", "\xF0\x9D\x94\x98" => "\x75", "\xF0\x9D\x94\x99" => "\x76", "\xF0\x9D\x94\x9A" => "\x77", "\xF0\x9D\x94\x9B" => "\x78", "\xF0\x9D\x94\x9C" => "\x79", "\xF0\x9D\x94\xB8" => "\x61", "\xF0\x9D\x94\xB9" => "\x62", "\xF0\x9D\x94\xBB" => "\x64", "\xF0\x9D\x94\xBC" => "\x65", "\xF0\x9D\x94\xBD" => "\x66", "\xF0\x9D\x94\xBE" => "\x67", "\xF0\x9D\x95\x80" => "\x69", "\xF0\x9D\x95\x81" => "\x6A", "\xF0\x9D\x95\x82" => "\x6B", "\xF0\x9D\x95\x83" => "\x6C", "\xF0\x9D\x95\x84" => "\x6D", "\xF0\x9D\x95\x86" => "\x6F", "\xF0\x9D\x95\x8A" => "\x73", "\xF0\x9D\x95\x8B" => "\x74", "\xF0\x9D\x95\x8C" => "\x75", "\xF0\x9D\x95\x8D" => "\x76", "\xF0\x9D\x95\x8E" => "\x77", "\xF0\x9D\x95\x8F" => "\x78", "\xF0\x9D\x95\x90" => "\x79", "\xF0\x9D\x95\xAC" => "\x61", "\xF0\x9D\x95\xAD" => "\x62", "\xF0\x9D\x95\xAE" => "\x63", "\xF0\x9D\x95\xAF" => "\x64", "\xF0\x9D\x95\xB0" => "\x65", "\xF0\x9D\x95\xB1" => "\x66", "\xF0\x9D\x95\xB2" => "\x67", "\xF0\x9D\x95\xB3" => "\x68", "\xF0\x9D\x95\xB4" => "\x69", "\xF0\x9D\x95\xB5" => "\x6A", "\xF0\x9D\x95\xB6" => "\x6B", "\xF0\x9D\x95\xB7" => "\x6C", "\xF0\x9D\x95\xB8" => "\x6D", "\xF0\x9D\x95\xB9" => "\x6E", "\xF0\x9D\x95\xBA" => "\x6F", "\xF0\x9D\x95\xBB" => "\x70", "\xF0\x9D\x95\xBC" => "\x71", "\xF0\x9D\x95\xBD" => "\x72", "\xF0\x9D\x95\xBE" => "\x73", "\xF0\x9D\x95\xBF" => "\x74", "\xF0\x9D\x96\x80" => "\x75", "\xF0\x9D\x96\x81" => "\x76", "\xF0\x9D\x96\x82" => "\x77", "\xF0\x9D\x96\x83" => "\x78", "\xF0\x9D\x96\x84" => "\x79", "\xF0\x9D\x96\x85" => "\x7A", "\xF0\x9D\x96\xA0" => "\x61", "\xF0\x9D\x96\xA1" => "\x62", "\xF0\x9D\x96\xA2" => "\x63", "\xF0\x9D\x96\xA3" => "\x64", "\xF0\x9D\x96\xA4" => "\x65", "\xF0\x9D\x96\xA5" => "\x66", "\xF0\x9D\x96\xA6" => "\x67", "\xF0\x9D\x96\xA7" => "\x68", "\xF0\x9D\x96\xA8" => "\x69", "\xF0\x9D\x96\xA9" => "\x6A", "\xF0\x9D\x96\xAA" => "\x6B", "\xF0\x9D\x96\xAB" => "\x6C", "\xF0\x9D\x96\xAC" => "\x6D", "\xF0\x9D\x96\xAD" => "\x6E", "\xF0\x9D\x96\xAE" => "\x6F", "\xF0\x9D\x96\xAF" => "\x70", "\xF0\x9D\x96\xB0" => "\x71", "\xF0\x9D\x96\xB1" => "\x72", "\xF0\x9D\x96\xB2" => "\x73", "\xF0\x9D\x96\xB3" => "\x74", "\xF0\x9D\x96\xB4" => "\x75", "\xF0\x9D\x96\xB5" => "\x76", "\xF0\x9D\x96\xB6" => "\x77", "\xF0\x9D\x96\xB7" => "\x78", "\xF0\x9D\x96\xB8" => "\x79", "\xF0\x9D\x96\xB9" => "\x7A", "\xF0\x9D\x97\x94" => "\x61", "\xF0\x9D\x97\x95" => "\x62", "\xF0\x9D\x97\x96" => "\x63", "\xF0\x9D\x97\x97" => "\x64", "\xF0\x9D\x97\x98" => "\x65", "\xF0\x9D\x97\x99" => "\x66", "\xF0\x9D\x97\x9A" => "\x67", "\xF0\x9D\x97\x9B" => "\x68", "\xF0\x9D\x97\x9C" => "\x69", "\xF0\x9D\x97\x9D" => "\x6A", "\xF0\x9D\x97\x9E" => "\x6B", "\xF0\x9D\x97\x9F" => "\x6C", "\xF0\x9D\x97\xA0" => "\x6D", "\xF0\x9D\x97\xA1" => "\x6E", "\xF0\x9D\x97\xA2" => "\x6F", "\xF0\x9D\x97\xA3" => "\x70", "\xF0\x9D\x97\xA4" => "\x71", "\xF0\x9D\x97\xA5" => "\x72", "\xF0\x9D\x97\xA6" => "\x73", "\xF0\x9D\x97\xA7" => "\x74", "\xF0\x9D\x97\xA8" => "\x75", "\xF0\x9D\x97\xA9" => "\x76", "\xF0\x9D\x97\xAA" => "\x77", "\xF0\x9D\x97\xAB" => "\x78", "\xF0\x9D\x97\xAC" => "\x79", "\xF0\x9D\x97\xAD" => "\x7A", "\xF0\x9D\x98\x88" => "\x61", "\xF0\x9D\x98\x89" => "\x62", "\xF0\x9D\x98\x8A" => "\x63", "\xF0\x9D\x98\x8B" => "\x64", "\xF0\x9D\x98\x8C" => "\x65", "\xF0\x9D\x98\x8D" => "\x66", "\xF0\x9D\x98\x8E" => "\x67", "\xF0\x9D\x98\x8F" => "\x68", "\xF0\x9D\x98\x90" => "\x69", "\xF0\x9D\x98\x91" => "\x6A", "\xF0\x9D\x98\x92" => "\x6B", "\xF0\x9D\x98\x93" => "\x6C", "\xF0\x9D\x98\x94" => "\x6D", "\xF0\x9D\x98\x95" => "\x6E", "\xF0\x9D\x98\x96" => "\x6F", "\xF0\x9D\x98\x97" => "\x70", "\xF0\x9D\x98\x98" => "\x71", "\xF0\x9D\x98\x99" => "\x72", "\xF0\x9D\x98\x9A" => "\x73", "\xF0\x9D\x98\x9B" => "\x74", "\xF0\x9D\x98\x9C" => "\x75", "\xF0\x9D\x98\x9D" => "\x76", "\xF0\x9D\x98\x9E" => "\x77", "\xF0\x9D\x98\x9F" => "\x78", "\xF0\x9D\x98\xA0" => "\x79", "\xF0\x9D\x98\xA1" => "\x7A", "\xF0\x9D\x98\xBC" => "\x61", "\xF0\x9D\x98\xBD" => "\x62", "\xF0\x9D\x98\xBE" => "\x63", "\xF0\x9D\x98\xBF" => "\x64", "\xF0\x9D\x99\x80" => "\x65", "\xF0\x9D\x99\x81" => "\x66", "\xF0\x9D\x99\x82" => "\x67", "\xF0\x9D\x99\x83" => "\x68", "\xF0\x9D\x99\x84" => "\x69", "\xF0\x9D\x99\x85" => "\x6A", "\xF0\x9D\x99\x86" => "\x6B", "\xF0\x9D\x99\x87" => "\x6C", "\xF0\x9D\x99\x88" => "\x6D", "\xF0\x9D\x99\x89" => "\x6E", "\xF0\x9D\x99\x8A" => "\x6F", "\xF0\x9D\x99\x8B" => "\x70", "\xF0\x9D\x99\x8C" => "\x71", "\xF0\x9D\x99\x8D" => "\x72", "\xF0\x9D\x99\x8E" => "\x73", "\xF0\x9D\x99\x8F" => "\x74", "\xF0\x9D\x99\x90" => "\x75", "\xF0\x9D\x99\x91" => "\x76", "\xF0\x9D\x99\x92" => "\x77", "\xF0\x9D\x99\x93" => "\x78", "\xF0\x9D\x99\x94" => "\x79", "\xF0\x9D\x99\x95" => "\x7A", "\xF0\x9D\x99\xB0" => "\x61", "\xF0\x9D\x99\xB1" => "\x62", "\xF0\x9D\x99\xB2" => "\x63", "\xF0\x9D\x99\xB3" => "\x64", "\xF0\x9D\x99\xB4" => "\x65", "\xF0\x9D\x99\xB5" => "\x66", "\xF0\x9D\x99\xB6" => "\x67", "\xF0\x9D\x99\xB7" => "\x68", "\xF0\x9D\x99\xB8" => "\x69", "\xF0\x9D\x99\xB9" => "\x6A", "\xF0\x9D\x99\xBA" => "\x6B", "\xF0\x9D\x99\xBB" => "\x6C", "\xF0\x9D\x99\xBC" => "\x6D", "\xF0\x9D\x99\xBD" => "\x6E", "\xF0\x9D\x99\xBE" => "\x6F", "\xF0\x9D\x99\xBF" => "\x70", "\xF0\x9D\x9A\x80" => "\x71", "\xF0\x9D\x9A\x81" => "\x72", "\xF0\x9D\x9A\x82" => "\x73", "\xF0\x9D\x9A\x83" => "\x74", "\xF0\x9D\x9A\x84" => "\x75", "\xF0\x9D\x9A\x85" => "\x76", "\xF0\x9D\x9A\x86" => "\x77", "\xF0\x9D\x9A\x87" => "\x78", "\xF0\x9D\x9A\x88" => "\x79", "\xF0\x9D\x9A\x89" => "\x7A", "\xF0\x9D\x9A\xA8" => "\xCE\xB1", "\xF0\x9D\x9A\xA9" => "\xCE\xB2", "\xF0\x9D\x9A\xAA" => "\xCE\xB3", "\xF0\x9D\x9A\xAB" => "\xCE\xB4", "\xF0\x9D\x9A\xAC" => "\xCE\xB5", "\xF0\x9D\x9A\xAD" => "\xCE\xB6", "\xF0\x9D\x9A\xAE" => "\xCE\xB7", "\xF0\x9D\x9A\xAF" => "\xCE\xB8", "\xF0\x9D\x9A\xB0" => "\xCE\xB9", "\xF0\x9D\x9A\xB1" => "\xCE\xBA", "\xF0\x9D\x9A\xB2" => "\xCE\xBB", "\xF0\x9D\x9A\xB3" => "\xCE\xBC", "\xF0\x9D\x9A\xB4" => "\xCE\xBD", "\xF0\x9D\x9A\xB5" => "\xCE\xBE", "\xF0\x9D\x9A\xB6" => "\xCE\xBF", "\xF0\x9D\x9A\xB7" => "\xCF\x80", "\xF0\x9D\x9A\xB8" => "\xCF\x81", "\xF0\x9D\x9A\xB9" => "\xCE\xB8", "\xF0\x9D\x9A\xBA" => "\xCF\x83", "\xF0\x9D\x9A\xBB" => "\xCF\x84", "\xF0\x9D\x9A\xBC" => "\xCF\x85", "\xF0\x9D\x9A\xBD" => "\xCF\x86", "\xF0\x9D\x9A\xBE" => "\xCF\x87", "\xF0\x9D\x9A\xBF" => "\xCF\x88", "\xF0\x9D\x9B\x80" => "\xCF\x89", "\xF0\x9D\x9B\x93" => "\xCF\x83", "\xF0\x9D\x9B\xA2" => "\xCE\xB1", "\xF0\x9D\x9B\xA3" => "\xCE\xB2", "\xF0\x9D\x9B\xA4" => "\xCE\xB3", "\xF0\x9D\x9B\xA5" => "\xCE\xB4", "\xF0\x9D\x9B\xA6" => "\xCE\xB5", "\xF0\x9D\x9B\xA7" => "\xCE\xB6", "\xF0\x9D\x9B\xA8" => "\xCE\xB7", "\xF0\x9D\x9B\xA9" => "\xCE\xB8", "\xF0\x9D\x9B\xAA" => "\xCE\xB9", "\xF0\x9D\x9B\xAB" => "\xCE\xBA", "\xF0\x9D\x9B\xAC" => "\xCE\xBB", "\xF0\x9D\x9B\xAD" => "\xCE\xBC", "\xF0\x9D\x9B\xAE" => "\xCE\xBD", "\xF0\x9D\x9B\xAF" => "\xCE\xBE", "\xF0\x9D\x9B\xB0" => "\xCE\xBF", "\xF0\x9D\x9B\xB1" => "\xCF\x80", "\xF0\x9D\x9B\xB2" => "\xCF\x81", "\xF0\x9D\x9B\xB3" => "\xCE\xB8", "\xF0\x9D\x9B\xB4" => "\xCF\x83", "\xF0\x9D\x9B\xB5" => "\xCF\x84", "\xF0\x9D\x9B\xB6" => "\xCF\x85", "\xF0\x9D\x9B\xB7" => "\xCF\x86", "\xF0\x9D\x9B\xB8" => "\xCF\x87", "\xF0\x9D\x9B\xB9" => "\xCF\x88", "\xF0\x9D\x9B\xBA" => "\xCF\x89", "\xF0\x9D\x9C\x8D" => "\xCF\x83", "\xF0\x9D\x9C\x9C" => "\xCE\xB1", "\xF0\x9D\x9C\x9D" => "\xCE\xB2", "\xF0\x9D\x9C\x9E" => "\xCE\xB3", "\xF0\x9D\x9C\x9F" => "\xCE\xB4", "\xF0\x9D\x9C\xA0" => "\xCE\xB5", "\xF0\x9D\x9C\xA1" => "\xCE\xB6", "\xF0\x9D\x9C\xA2" => "\xCE\xB7", "\xF0\x9D\x9C\xA3" => "\xCE\xB8", "\xF0\x9D\x9C\xA4" => "\xCE\xB9", "\xF0\x9D\x9C\xA5" => "\xCE\xBA", "\xF0\x9D\x9C\xA6" => "\xCE\xBB", "\xF0\x9D\x9C\xA7" => "\xCE\xBC", "\xF0\x9D\x9C\xA8" => "\xCE\xBD", "\xF0\x9D\x9C\xA9" => "\xCE\xBE", "\xF0\x9D\x9C\xAA" => "\xCE\xBF", "\xF0\x9D\x9C\xAB" => "\xCF\x80", "\xF0\x9D\x9C\xAC" => "\xCF\x81", "\xF0\x9D\x9C\xAD" => "\xCE\xB8", "\xF0\x9D\x9C\xAE" => "\xCF\x83", "\xF0\x9D\x9C\xAF" => "\xCF\x84", "\xF0\x9D\x9C\xB0" => "\xCF\x85", "\xF0\x9D\x9C\xB1" => "\xCF\x86", "\xF0\x9D\x9C\xB2" => "\xCF\x87", "\xF0\x9D\x9C\xB3" => "\xCF\x88", "\xF0\x9D\x9C\xB4" => "\xCF\x89", "\xF0\x9D\x9D\x87" => "\xCF\x83", "\xF0\x9D\x9D\x96" => "\xCE\xB1", "\xF0\x9D\x9D\x97" => "\xCE\xB2", "\xF0\x9D\x9D\x98" => "\xCE\xB3", "\xF0\x9D\x9D\x99" => "\xCE\xB4", "\xF0\x9D\x9D\x9A" => "\xCE\xB5", "\xF0\x9D\x9D\x9B" => "\xCE\xB6", "\xF0\x9D\x9D\x9C" => "\xCE\xB7", "\xF0\x9D\x9D\x9D" => "\xCE\xB8", "\xF0\x9D\x9D\x9E" => "\xCE\xB9", "\xF0\x9D\x9D\x9F" => "\xCE\xBA", "\xF0\x9D\x9D\xA0" => "\xCE\xBB", "\xF0\x9D\x9D\xA1" => "\xCE\xBC", "\xF0\x9D\x9D\xA2" => "\xCE\xBD", "\xF0\x9D\x9D\xA3" => "\xCE\xBE", "\xF0\x9D\x9D\xA4" => "\xCE\xBF", "\xF0\x9D\x9D\xA5" => "\xCF\x80", "\xF0\x9D\x9D\xA6" => "\xCF\x81", "\xF0\x9D\x9D\xA7" => "\xCE\xB8", "\xF0\x9D\x9D\xA8" => "\xCF\x83", "\xF0\x9D\x9D\xA9" => "\xCF\x84", "\xF0\x9D\x9D\xAA" => "\xCF\x85", "\xF0\x9D\x9D\xAB" => "\xCF\x86", "\xF0\x9D\x9D\xAC" => "\xCF\x87", "\xF0\x9D\x9D\xAD" => "\xCF\x88", "\xF0\x9D\x9D\xAE" => "\xCF\x89", "\xF0\x9D\x9E\x81" => "\xCF\x83", "\xF0\x9D\x9E\x90" => "\xCE\xB1", "\xF0\x9D\x9E\x91" => "\xCE\xB2", "\xF0\x9D\x9E\x92" => "\xCE\xB3", "\xF0\x9D\x9E\x93" => "\xCE\xB4", "\xF0\x9D\x9E\x94" => "\xCE\xB5", "\xF0\x9D\x9E\x95" => "\xCE\xB6", "\xF0\x9D\x9E\x96" => "\xCE\xB7", "\xF0\x9D\x9E\x97" => "\xCE\xB8", "\xF0\x9D\x9E\x98" => "\xCE\xB9", "\xF0\x9D\x9E\x99" => "\xCE\xBA", "\xF0\x9D\x9E\x9A" => "\xCE\xBB", "\xF0\x9D\x9E\x9B" => "\xCE\xBC", "\xF0\x9D\x9E\x9C" => "\xCE\xBD", "\xF0\x9D\x9E\x9D" => "\xCE\xBE", "\xF0\x9D\x9E\x9E" => "\xCE\xBF", "\xF0\x9D\x9E\x9F" => "\xCF\x80", "\xF0\x9D\x9E\xA0" => "\xCF\x81", "\xF0\x9D\x9E\xA1" => "\xCE\xB8", "\xF0\x9D\x9E\xA2" => "\xCF\x83", "\xF0\x9D\x9E\xA3" => "\xCF\x84", "\xF0\x9D\x9E\xA4" => "\xCF\x85", "\xF0\x9D\x9E\xA5" => "\xCF\x86", "\xF0\x9D\x9E\xA6" => "\xCF\x87", "\xF0\x9D\x9E\xA7" => "\xCF\x88", "\xF0\x9D\x9E\xA8" => "\xCF\x89", "\xF0\x9D\x9E\xBB" => "\xCF\x83", "\xF0\x9D\x9F\x8A" => "\xCF\x9D", ); // do the case fold $text = utf8_case_fold($text, $option); // convert to NFKC Normalizer::normalize($text, Normalizer::NFKC); // FC_NFKC_Closure, http://www.unicode.org/Public/5.0.0/ucd/DerivedNormalizationProps.txt $text = strtr($text, $fc_nfkc_closure); return $text; } /** * Assume the input is NFC: * Takes the input and does a "special" case fold. It does minor normalization as well. * * @param string $text text to be case folded * @param string $option determines how we will fold the cases * @return string case folded text */ function utf8_case_fold_nfc($text, $option = 'full') { static $uniarray = array(); static $ypogegrammeni = array( "\xCD\xBA" => "\x20\xCD\x85", "\xE1\xBE\x80" => "\xE1\xBC\x80\xCD\x85", "\xE1\xBE\x81" => "\xE1\xBC\x81\xCD\x85", "\xE1\xBE\x82" => "\xE1\xBC\x82\xCD\x85", "\xE1\xBE\x83" => "\xE1\xBC\x83\xCD\x85", "\xE1\xBE\x84" => "\xE1\xBC\x84\xCD\x85", "\xE1\xBE\x85" => "\xE1\xBC\x85\xCD\x85", "\xE1\xBE\x86" => "\xE1\xBC\x86\xCD\x85", "\xE1\xBE\x87" => "\xE1\xBC\x87\xCD\x85", "\xE1\xBE\x88" => "\xE1\xBC\x88\xCD\x85", "\xE1\xBE\x89" => "\xE1\xBC\x89\xCD\x85", "\xE1\xBE\x8A" => "\xE1\xBC\x8A\xCD\x85", "\xE1\xBE\x8B" => "\xE1\xBC\x8B\xCD\x85", "\xE1\xBE\x8C" => "\xE1\xBC\x8C\xCD\x85", "\xE1\xBE\x8D" => "\xE1\xBC\x8D\xCD\x85", "\xE1\xBE\x8E" => "\xE1\xBC\x8E\xCD\x85", "\xE1\xBE\x8F" => "\xE1\xBC\x8F\xCD\x85", "\xE1\xBE\x90" => "\xE1\xBC\xA0\xCD\x85", "\xE1\xBE\x91" => "\xE1\xBC\xA1\xCD\x85", "\xE1\xBE\x92" => "\xE1\xBC\xA2\xCD\x85", "\xE1\xBE\x93" => "\xE1\xBC\xA3\xCD\x85", "\xE1\xBE\x94" => "\xE1\xBC\xA4\xCD\x85", "\xE1\xBE\x95" => "\xE1\xBC\xA5\xCD\x85", "\xE1\xBE\x96" => "\xE1\xBC\xA6\xCD\x85", "\xE1\xBE\x97" => "\xE1\xBC\xA7\xCD\x85", "\xE1\xBE\x98" => "\xE1\xBC\xA8\xCD\x85", "\xE1\xBE\x99" => "\xE1\xBC\xA9\xCD\x85", "\xE1\xBE\x9A" => "\xE1\xBC\xAA\xCD\x85", "\xE1\xBE\x9B" => "\xE1\xBC\xAB\xCD\x85", "\xE1\xBE\x9C" => "\xE1\xBC\xAC\xCD\x85", "\xE1\xBE\x9D" => "\xE1\xBC\xAD\xCD\x85", "\xE1\xBE\x9E" => "\xE1\xBC\xAE\xCD\x85", "\xE1\xBE\x9F" => "\xE1\xBC\xAF\xCD\x85", "\xE1\xBE\xA0" => "\xE1\xBD\xA0\xCD\x85", "\xE1\xBE\xA1" => "\xE1\xBD\xA1\xCD\x85", "\xE1\xBE\xA2" => "\xE1\xBD\xA2\xCD\x85", "\xE1\xBE\xA3" => "\xE1\xBD\xA3\xCD\x85", "\xE1\xBE\xA4" => "\xE1\xBD\xA4\xCD\x85", "\xE1\xBE\xA5" => "\xE1\xBD\xA5\xCD\x85", "\xE1\xBE\xA6" => "\xE1\xBD\xA6\xCD\x85", "\xE1\xBE\xA7" => "\xE1\xBD\xA7\xCD\x85", "\xE1\xBE\xA8" => "\xE1\xBD\xA8\xCD\x85", "\xE1\xBE\xA9" => "\xE1\xBD\xA9\xCD\x85", "\xE1\xBE\xAA" => "\xE1\xBD\xAA\xCD\x85", "\xE1\xBE\xAB" => "\xE1\xBD\xAB\xCD\x85", "\xE1\xBE\xAC" => "\xE1\xBD\xAC\xCD\x85", "\xE1\xBE\xAD" => "\xE1\xBD\xAD\xCD\x85", "\xE1\xBE\xAE" => "\xE1\xBD\xAE\xCD\x85", "\xE1\xBE\xAF" => "\xE1\xBD\xAF\xCD\x85", "\xE1\xBE\xB2" => "\xE1\xBD\xB0\xCD\x85", "\xE1\xBE\xB3" => "\xCE\xB1\xCD\x85", "\xE1\xBE\xB4" => "\xCE\xAC\xCD\x85", "\xE1\xBE\xB7" => "\xE1\xBE\xB6\xCD\x85", "\xE1\xBE\xBC" => "\xCE\x91\xCD\x85", "\xE1\xBF\x82" => "\xE1\xBD\xB4\xCD\x85", "\xE1\xBF\x83" => "\xCE\xB7\xCD\x85", "\xE1\xBF\x84" => "\xCE\xAE\xCD\x85", "\xE1\xBF\x87" => "\xE1\xBF\x86\xCD\x85", "\xE1\xBF\x8C" => "\xCE\x97\xCD\x85", "\xE1\xBF\xB2" => "\xE1\xBD\xBC\xCD\x85", "\xE1\xBF\xB3" => "\xCF\x89\xCD\x85", "\xE1\xBF\xB4" => "\xCF\x8E\xCD\x85", "\xE1\xBF\xB7" => "\xE1\xBF\xB6\xCD\x85", "\xE1\xBF\xBC" => "\xCE\xA9\xCD\x85", ); // perform a small trick, avoid further normalization on composed points that contain U+0345 in their decomposition $text = strtr($text, $ypogegrammeni); // do the case fold $text = utf8_case_fold($text, $option); return $text; } /** * wrapper around PHP's native normalizer from intl * previously a PECL extension, included in the core since PHP 5.3.0 * http://php.net/manual/en/normalizer.normalize.php * * @param mixed $strings a string or an array of strings to normalize * @return mixed the normalized content, preserving array keys if array given. */ function utf8_normalize_nfc($strings) { if (empty($strings)) { return $strings; } if (!is_array($strings)) { if (Normalizer::isNormalized($strings)) { return $strings; } return (string) Normalizer::normalize($strings); } else { foreach ($strings as $key => $string) { if (is_array($string)) { foreach ($string as $_key => $_string) { if (Normalizer::isNormalized($strings[$key][$_key])) { continue; } $strings[$key][$_key] = (string) Normalizer::normalize($strings[$key][$_key]); } } else { if (Normalizer::isNormalized($strings[$key])) { continue; } $strings[$key] = (string) Normalizer::normalize($strings[$key]); } } } return $strings; } /** * This function is used to generate a "clean" version of a string. * Clean means that it is a case insensitive form (case folding) and that it is normalized (NFC). * Additionally a homographs of one character are transformed into one specific character (preferably ASCII * if it is an ASCII character). * * Please be aware that if you change something within this function or within * functions used here you need to rebuild/update the username_clean column in the users table. And all other * columns that store a clean string otherwise you will break this functionality. * * @param string $text An unclean string, mabye user input (has to be valid UTF-8!) * @return string Cleaned up version of the input string */ function utf8_clean_string($text) { global $phpbb_root_path, $phpEx; static $homographs = array(); if (empty($homographs)) { $homographs = include($phpbb_root_path . 'includes/utf/data/confusables.' . $phpEx); } $text = utf8_case_fold_nfkc($text); $text = strtr($text, $homographs); // Other control characters $text = preg_replace('#(?:[\x00-\x1F\x7F]+|(?:\xC2[\x80-\x9F])+)#', '', $text); // we need to reduce multiple spaces to a single one $text = preg_replace('# {2,}#', ' ', $text); // we can use trim here as all the other space characters should have been turned // into normal ASCII spaces by now return trim($text); } /** * A wrapper for htmlspecialchars($value, ENT_COMPAT, 'UTF-8') */ function utf8_htmlspecialchars($value) { return htmlspecialchars($value, ENT_COMPAT, 'UTF-8'); } /** * Trying to convert returned system message to utf8 * * PHP assumes such messages are ISO-8859-1 so we'll do that too * and if it breaks messages we'll blame it on them ;-) */ function utf8_convert_message($message) { // First of all check if conversion is neded at all, as there is no point // in converting ASCII messages from ISO-8859-1 to UTF-8 if (!preg_match('/[\x80-\xFF]/', $message)) { return utf8_htmlspecialchars($message); } // else we need to convert some part of the message return utf8_htmlspecialchars(utf8_recode($message, 'ISO-8859-1')); } /** * UTF8-compatible wordwrap replacement * * @param string $string The input string * @param int $width The column width. Defaults to 75. * @param string $break The line is broken using the optional break parameter. Defaults to '\n'. * @param bool $cut If the cut is set to TRUE, the string is always wrapped at the specified width. So if you have a word that is larger than the given width, it is broken apart. * * @return string the given string wrapped at the specified column. * */ function utf8_wordwrap($string, $width = 75, $break = "\n", $cut = false) { // We first need to explode on $break, not destroying existing (intended) breaks $lines = explode($break, $string); $new_lines = array(0 => ''); $index = 0; foreach ($lines as $line) { $words = explode(' ', $line); for ($i = 0, $size = count($words); $i < $size; $i++) { $word = $words[$i]; // If cut is true we need to cut the word if it is > width chars if ($cut && utf8_strlen($word) > $width) { $words[$i] = utf8_substr($word, $width); $word = utf8_substr($word, 0, $width); $i--; } if (utf8_strlen($new_lines[$index] . $word) > $width) { $new_lines[$index] = substr($new_lines[$index], 0, -1); $index++; $new_lines[$index] = ''; } $new_lines[$index] .= $word . ' '; } $new_lines[$index] = substr($new_lines[$index], 0, -1); $index++; $new_lines[$index] = ''; } unset($new_lines[$index]); return implode($break, $new_lines); } /** * UTF8-safe basename() function * * basename() has some limitations and is dependent on the locale setting * according to the PHP manual. Therefore we provide our own locale independent * basename function. * * @param string $filename The filename basename() should be applied to * @return string The basenamed filename */ function utf8_basename($filename) { // We always check for forward slash AND backward slash // because they could be mixed or "sneaked" in. ;) // You know, never trust user input... if (strpos($filename, '/') !== false) { $filename = utf8_substr($filename, utf8_strrpos($filename, '/') + 1); } if (strpos($filename, '\\') !== false) { $filename = utf8_substr($filename, utf8_strrpos($filename, '\\') + 1); } return $filename; }