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<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Polyfill\Mbstring; |
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/** |
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* Partial mbstring implementation in PHP, iconv based, UTF-8 centric. |
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* |
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* Implemented: |
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* - mb_chr - Returns a specific character from its Unicode code point |
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* - mb_convert_encoding - Convert character encoding |
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* - mb_convert_variables - Convert character code in variable(s) |
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* - mb_decode_mimeheader - Decode string in MIME header field |
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* - mb_encode_mimeheader - Encode string for MIME header XXX NATIVE IMPLEMENTATION IS REALLY BUGGED |
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* - mb_convert_case - Perform case folding on a string |
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* - mb_get_info - Get internal settings of mbstring |
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* - mb_http_input - Detect HTTP input character encoding |
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* - mb_http_output - Set/Get HTTP output character encoding |
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* - mb_internal_encoding - Set/Get internal character encoding |
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* - mb_list_encodings - Returns an array of all supported encodings |
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* - mb_ord - Returns the Unicode code point of a character |
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* - mb_output_handler - Callback function converts character encoding in output buffer |
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* - mb_scrub - Replaces ill-formed byte sequences with substitute characters |
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* - mb_strlen - Get string length |
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* - mb_strpos - Find position of first occurrence of string in a string |
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* - mb_strrpos - Find position of last occurrence of a string in a string |
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* - mb_strtolower - Make a string lowercase |
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* - mb_strtoupper - Make a string uppercase |
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* - mb_substitute_character - Set/Get substitution character |
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* - mb_substr - Get part of string |
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* - mb_stripos - Finds position of first occurrence of a string within another, case insensitive |
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* - mb_stristr - Finds first occurrence of a string within another, case insensitive |
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* - mb_strrchr - Finds the last occurrence of a character in a string within another |
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* - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive |
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* - mb_strripos - Finds position of last occurrence of a string within another, case insensitive |
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* - mb_strstr - Finds first occurrence of a string within anothers |
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* - mb_strwidth - Return width of string |
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* - mb_substr_count - Count the number of substring occurrences |
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* |
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* Not implemented: |
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* - mb_convert_kana - Convert "kana" one from another ("zen-kaku", "han-kaku" and more) |
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* - mb_decode_numericentity - Decode HTML numeric string reference to character |
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* - mb_encode_numericentity - Encode character to HTML numeric string reference |
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* - mb_ereg_* - Regular expression with multibyte support |
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* - mb_parse_str - Parse GET/POST/COOKIE data and set global variable |
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* - mb_preferred_mime_name - Get MIME charset string |
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* - mb_regex_encoding - Returns current encoding for multibyte regex as string |
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* - mb_regex_set_options - Set/Get the default options for mbregex functions |
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* - mb_send_mail - Send encoded mail |
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* - mb_split - Split multibyte string using regular expression |
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* - mb_strcut - Get part of string |
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* - mb_strimwidth - Get truncated string with specified width |
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* |
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* @author Nicolas Grekas <[email protected]> |
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* |
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* @internal |
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*/ |
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final class Mbstring |
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{ |
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const MB_CASE_FOLD = PHP_INT_MAX; |
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private static $encodingList = array('ASCII', 'UTF-8'); |
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private static $language = 'neutral'; |
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private static $internalEncoding = 'UTF-8'; |
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private static $caseFold = array( |
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array('µ','ſ',"\xCD\x85",'ς',"\xCF\x90","\xCF\x91","\xCF\x95","\xCF\x96","\xCF\xB0","\xCF\xB1","\xCF\xB5","\xE1\xBA\x9B","\xE1\xBE\xBE"), |
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array('μ','s','ι', 'σ','β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1",'ι'), |
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); |
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public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null) |
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{ |
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if (is_array($fromEncoding) || false !== strpos($fromEncoding, ',')) { |
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$fromEncoding = self::mb_detect_encoding($s, $fromEncoding); |
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} else { |
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$fromEncoding = self::getEncoding($fromEncoding); |
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} |
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$toEncoding = self::getEncoding($toEncoding); |
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if ('BASE64' === $fromEncoding) { |
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$s = base64_decode($s); |
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$fromEncoding = $toEncoding; |
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} |
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if ('BASE64' === $toEncoding) { |
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return base64_encode($s); |
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} |
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if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) { |
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if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) { |
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$fromEncoding = 'Windows-1252'; |
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} |
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if ('UTF-8' !== $fromEncoding) { |
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$s = iconv($fromEncoding, 'UTF-8//IGNORE', $s); |
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} |
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return preg_replace_callback('/[\x80-\xFF]+/', array(__CLASS__, 'html_encoding_callback'), $s); |
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} |
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if ('HTML-ENTITIES' === $fromEncoding) { |
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$s = html_entity_decode($s, ENT_COMPAT, 'UTF-8'); |
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$fromEncoding = 'UTF-8'; |
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} |
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return iconv($fromEncoding, $toEncoding.'//IGNORE', $s); |
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} |
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public static function mb_convert_variables($toEncoding, $fromEncoding, &$a = null, &$b = null, &$c = null, &$d = null, &$e = null, &$f = null) |
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{ |
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$vars = array(&$a, &$b, &$c, &$d, &$e, &$f); |
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$ok = true; |
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array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) { |
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if (false === $v = Mbstring::mb_convert_encoding($v, $toEncoding, $fromEncoding)) { |
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$ok = false; |
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} |
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}); |
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return $ok ? $fromEncoding : false; |
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} |
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public static function mb_decode_mimeheader($s) |
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{ |
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return iconv_mime_decode($s, 2, self::$internalEncoding); |
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} |
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public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null) |
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{ |
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trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', E_USER_WARNING); |
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} |
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public static function mb_convert_case($s, $mode, $encoding = null) |
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{ |
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if ('' === $s .= '') { |
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return ''; |
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} |
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$encoding = self::getEncoding($encoding); |
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if ('UTF-8' === $encoding) { |
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$encoding = null; |
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if (!preg_match('//u', $s)) { |
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$s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); |
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} |
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} else { |
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$s = iconv($encoding, 'UTF-8//IGNORE', $s); |
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} |
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if (MB_CASE_TITLE == $mode) { |
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$s = preg_replace_callback('/\b\p{Ll}/u', array(__CLASS__, 'title_case_upper'), $s); |
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$s = preg_replace_callback('/\B[\p{Lu}\p{Lt}]+/u', array(__CLASS__, 'title_case_lower'), $s); |
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} else { |
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if (MB_CASE_UPPER == $mode) { |
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static $upper = null; |
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if (null === $upper) { |
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$upper = self::getData('upperCase'); |
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} |
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$map = $upper; |
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} else { |
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if (self::MB_CASE_FOLD === $mode) { |
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$s = str_replace(self::$caseFold[0], self::$caseFold[1], $s); |
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} |
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static $lower = null; |
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if (null === $lower) { |
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$lower = self::getData('lowerCase'); |
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} |
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$map = $lower; |
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} |
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static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); |
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$i = 0; |
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$len = strlen($s); |
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while ($i < $len) { |
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$ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; |
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$uchr = substr($s, $i, $ulen); |
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$i += $ulen; |
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if (isset($map[$uchr])) { |
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$uchr = $map[$uchr]; |
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$nlen = strlen($uchr); |
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if ($nlen == $ulen) { |
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$nlen = $i; |
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do { |
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$s[--$nlen] = $uchr[--$ulen]; |
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} while ($ulen); |
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} else { |
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$s = substr_replace($s, $uchr, $i - $ulen, $ulen); |
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$len += $nlen - $ulen; |
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$i += $nlen - $ulen; |
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} |
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} |
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} |
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} |
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if (null === $encoding) { |
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return $s; |
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} |
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return iconv('UTF-8', $encoding.'//IGNORE', $s); |
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} |
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public static function mb_internal_encoding($encoding = null) |
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{ |
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if (null === $encoding) { |
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return self::$internalEncoding; |
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} |
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$encoding = self::getEncoding($encoding); |
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if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) { |
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self::$internalEncoding = $encoding; |
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return true; |
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} |
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return false; |
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} |
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public static function mb_language($lang = null) |
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{ |
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if (null === $lang) { |
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return self::$language; |
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} |
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switch ($lang = strtolower($lang)) { |
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case 'uni': |
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case 'neutral': |
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self::$language = $lang; |
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return true; |
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} |
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return false; |
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} |
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public static function mb_list_encodings() |
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{ |
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return array('UTF-8'); |
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} |
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public static function mb_encoding_aliases($encoding) |
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{ |
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switch (strtoupper($encoding)) { |
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case 'UTF8': |
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case 'UTF-8': |
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return array('utf8'); |
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} |
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return false; |
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} |
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public static function mb_check_encoding($var = null, $encoding = null) |
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{ |
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if (null === $encoding) { |
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if (null === $var) { |
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return false; |
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} |
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$encoding = self::$internalEncoding; |
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} |
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return self::mb_detect_encoding($var, array($encoding)) || false !== @iconv($encoding, $encoding, $var); |
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} |
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public static function mb_detect_encoding($str, $encodingList = null, $strict = false) |
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{ |
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if (null === $encodingList) { |
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$encodingList = self::$encodingList; |
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} else { |
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if (!is_array($encodingList)) { |
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$encodingList = array_map('trim', explode(',', $encodingList)); |
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} |
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$encodingList = array_map('strtoupper', $encodingList); |
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} |
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foreach ($encodingList as $enc) { |
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switch ($enc) { |
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case 'ASCII': |
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if (!preg_match('/[\x80-\xFF]/', $str)) { |
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return $enc; |
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} |
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break; |
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case 'UTF8': |
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case 'UTF-8': |
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if (preg_match('//u', $str)) { |
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return 'UTF-8'; |
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} |
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break; |
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default: |
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if (0 === strncmp($enc, 'ISO-8859-', 9)) { |
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return $enc; |
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} |
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} |
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} |
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return false; |
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} |
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public static function mb_detect_order($encodingList = null) |
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{ |
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if (null === $encodingList) { |
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return self::$encodingList; |
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} |
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if (!is_array($encodingList)) { |
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$encodingList = array_map('trim', explode(',', $encodingList)); |
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} |
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$encodingList = array_map('strtoupper', $encodingList); |
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foreach ($encodingList as $enc) { |
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switch ($enc) { |
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default: |
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if (strncmp($enc, 'ISO-8859-', 9)) { |
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return false; |
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} |
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case 'ASCII': |
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case 'UTF8': |
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case 'UTF-8': |
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} |
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} |
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self::$encodingList = $encodingList; |
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return true; |
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} |
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public static function mb_strlen($s, $encoding = null) |
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{ |
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$encoding = self::getEncoding($encoding); |
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if ('CP850' === $encoding || 'ASCII' === $encoding) { |
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return strlen($s); |
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} |
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return @iconv_strlen($s, $encoding); |
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} |
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|
|
public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) |
351
|
|
|
{ |
352
|
|
|
$encoding = self::getEncoding($encoding); |
353
|
|
|
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
354
|
|
|
return strpos($haystack, $needle, $offset); |
355
|
|
|
} |
356
|
|
|
|
357
|
|
|
if ('' === $needle .= '') { |
358
|
|
|
trigger_error(__METHOD__.': Empty delimiter', E_USER_WARNING); |
359
|
|
|
|
360
|
|
|
return false; |
361
|
|
|
} |
362
|
|
|
|
363
|
|
|
return iconv_strpos($haystack, $needle, $offset, $encoding); |
364
|
|
|
} |
365
|
|
|
|
366
|
|
|
public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) |
367
|
|
|
{ |
368
|
|
|
$encoding = self::getEncoding($encoding); |
369
|
|
|
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
370
|
|
|
return strrpos($haystack, $needle, $offset); |
371
|
|
|
} |
372
|
|
|
|
373
|
|
|
if ($offset != (int) $offset) { |
374
|
|
|
$offset = 0; |
375
|
|
|
} elseif ($offset = (int) $offset) { |
376
|
|
|
if ($offset < 0) { |
377
|
|
|
$haystack = self::mb_substr($haystack, 0, $offset, $encoding); |
378
|
|
|
$offset = 0; |
379
|
|
|
} else { |
380
|
|
|
$haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding); |
381
|
|
|
} |
382
|
|
|
} |
383
|
|
|
|
384
|
|
|
$pos = iconv_strrpos($haystack, $needle, $encoding); |
385
|
|
|
|
386
|
|
|
return false !== $pos ? $offset + $pos : false; |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
public static function mb_strtolower($s, $encoding = null) |
390
|
|
|
{ |
391
|
|
|
return self::mb_convert_case($s, MB_CASE_LOWER, $encoding); |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
public static function mb_strtoupper($s, $encoding = null) |
395
|
|
|
{ |
396
|
|
|
return self::mb_convert_case($s, MB_CASE_UPPER, $encoding); |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
public static function mb_substitute_character($c = null) |
400
|
|
|
{ |
401
|
|
|
if (0 === strcasecmp($c, 'none')) { |
402
|
|
|
return true; |
403
|
|
|
} |
404
|
|
|
|
405
|
|
|
return null !== $c ? false : 'none'; |
406
|
|
|
} |
407
|
|
|
|
408
|
|
|
public static function mb_substr($s, $start, $length = null, $encoding = null) |
409
|
|
|
{ |
410
|
|
|
$encoding = self::getEncoding($encoding); |
411
|
|
|
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
412
|
|
|
return substr($s, $start, null === $length ? 2147483647 : $length); |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
if ($start < 0) { |
416
|
|
|
$start = iconv_strlen($s, $encoding) + $start; |
417
|
|
|
if ($start < 0) { |
418
|
|
|
$start = 0; |
419
|
|
|
} |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
if (null === $length) { |
423
|
|
|
$length = 2147483647; |
424
|
|
|
} elseif ($length < 0) { |
425
|
|
|
$length = iconv_strlen($s, $encoding) + $length - $start; |
426
|
|
|
if ($length < 0) { |
427
|
|
|
return ''; |
428
|
|
|
} |
429
|
|
|
} |
430
|
|
|
|
431
|
|
|
return iconv_substr($s, $start, $length, $encoding).''; |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) |
435
|
|
|
{ |
436
|
|
|
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
437
|
|
|
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
438
|
|
|
|
439
|
|
|
return self::mb_strpos($haystack, $needle, $offset, $encoding); |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) |
443
|
|
|
{ |
444
|
|
|
$pos = self::mb_stripos($haystack, $needle, 0, $encoding); |
445
|
|
|
|
446
|
|
|
return self::getSubpart($pos, $part, $haystack, $encoding); |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) |
450
|
|
|
{ |
451
|
|
|
$encoding = self::getEncoding($encoding); |
452
|
|
|
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
453
|
|
|
return strrchr($haystack, $needle, $part); |
|
|
|
|
454
|
|
|
} |
455
|
|
|
$needle = self::mb_substr($needle, 0, 1, $encoding); |
456
|
|
|
$pos = iconv_strrpos($haystack, $needle, $encoding); |
457
|
|
|
|
458
|
|
|
return self::getSubpart($pos, $part, $haystack, $encoding); |
459
|
|
|
} |
460
|
|
|
|
461
|
|
|
public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) |
462
|
|
|
{ |
463
|
|
|
$needle = self::mb_substr($needle, 0, 1, $encoding); |
464
|
|
|
$pos = self::mb_strripos($haystack, $needle, $encoding); |
465
|
|
|
|
466
|
|
|
return self::getSubpart($pos, $part, $haystack, $encoding); |
467
|
|
|
} |
468
|
|
|
|
469
|
|
|
public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) |
470
|
|
|
{ |
471
|
|
|
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
472
|
|
|
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
473
|
|
|
|
474
|
|
|
return self::mb_strrpos($haystack, $needle, $offset, $encoding); |
475
|
|
|
} |
476
|
|
|
|
477
|
|
|
public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) |
|
|
|
|
478
|
|
|
{ |
479
|
|
|
$pos = strpos($haystack, $needle); |
480
|
|
|
if (false === $pos) { |
481
|
|
|
return false; |
482
|
|
|
} |
483
|
|
|
if ($part) { |
484
|
|
|
return substr($haystack, 0, $pos); |
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
return substr($haystack, $pos); |
488
|
|
|
} |
489
|
|
|
|
490
|
|
|
public static function mb_get_info($type = 'all') |
491
|
|
|
{ |
492
|
|
|
$info = array( |
493
|
|
|
'internal_encoding' => self::$internalEncoding, |
494
|
|
|
'http_output' => 'pass', |
495
|
|
|
'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', |
496
|
|
|
'func_overload' => 0, |
497
|
|
|
'func_overload_list' => 'no overload', |
498
|
|
|
'mail_charset' => 'UTF-8', |
499
|
|
|
'mail_header_encoding' => 'BASE64', |
500
|
|
|
'mail_body_encoding' => 'BASE64', |
501
|
|
|
'illegal_chars' => 0, |
502
|
|
|
'encoding_translation' => 'Off', |
503
|
|
|
'language' => self::$language, |
504
|
|
|
'detect_order' => self::$encodingList, |
505
|
|
|
'substitute_character' => 'none', |
506
|
|
|
'strict_detection' => 'Off', |
507
|
|
|
); |
508
|
|
|
|
509
|
|
|
if ('all' === $type) { |
510
|
|
|
return $info; |
511
|
|
|
} |
512
|
|
|
if (isset($info[$type])) { |
513
|
|
|
return $info[$type]; |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
return false; |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
public static function mb_http_input($type = '') |
|
|
|
|
520
|
|
|
{ |
521
|
|
|
return false; |
522
|
|
|
} |
523
|
|
|
|
524
|
|
|
public static function mb_http_output($encoding = null) |
525
|
|
|
{ |
526
|
|
|
return null !== $encoding ? 'pass' === $encoding : 'pass'; |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
public static function mb_strwidth($s, $encoding = null) |
530
|
|
|
{ |
531
|
|
|
$encoding = self::getEncoding($encoding); |
532
|
|
|
|
533
|
|
|
if ('UTF-8' !== $encoding) { |
534
|
|
|
$s = iconv($encoding, 'UTF-8//IGNORE', $s); |
535
|
|
|
} |
536
|
|
|
|
537
|
|
|
$s = preg_replace('/[\x{1100}-\x{115F}\x{2329}\x{232A}\x{2E80}-\x{303E}\x{3040}-\x{A4CF}\x{AC00}-\x{D7A3}\x{F900}-\x{FAFF}\x{FE10}-\x{FE19}\x{FE30}-\x{FE6F}\x{FF00}-\x{FF60}\x{FFE0}-\x{FFE6}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}]/u', '', $s, -1, $wide); |
538
|
|
|
|
539
|
|
|
return ($wide << 1) + iconv_strlen($s, 'UTF-8'); |
540
|
|
|
} |
541
|
|
|
|
542
|
|
|
public static function mb_substr_count($haystack, $needle, $encoding = null) |
|
|
|
|
543
|
|
|
{ |
544
|
|
|
return substr_count($haystack, $needle); |
545
|
|
|
} |
546
|
|
|
|
547
|
|
|
public static function mb_output_handler($contents, $status) |
|
|
|
|
548
|
|
|
{ |
549
|
|
|
return $contents; |
550
|
|
|
} |
551
|
|
|
|
552
|
|
|
public static function mb_chr($code, $encoding = null) |
553
|
|
|
{ |
554
|
|
|
if (0x80 > $code %= 0x200000) { |
555
|
|
|
$s = chr($code); |
556
|
|
|
} elseif (0x800 > $code) { |
557
|
|
|
$s = chr(0xC0 | $code >> 6).chr(0x80 | $code & 0x3F); |
558
|
|
|
} elseif (0x10000 > $code) { |
559
|
|
|
$s = chr(0xE0 | $code >> 12).chr(0x80 | $code >> 6 & 0x3F).chr(0x80 | $code & 0x3F); |
560
|
|
|
} else { |
561
|
|
|
$s = chr(0xF0 | $code >> 18).chr(0x80 | $code >> 12 & 0x3F).chr(0x80 | $code >> 6 & 0x3F).chr(0x80 | $code & 0x3F); |
562
|
|
|
} |
563
|
|
|
|
564
|
|
|
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
565
|
|
|
$s = mb_convert_encoding($s, $encoding, 'UTF-8'); |
566
|
|
|
} |
567
|
|
|
|
568
|
|
|
return $s; |
569
|
|
|
} |
570
|
|
|
|
571
|
|
|
public static function mb_ord($s, $encoding = null) |
572
|
|
|
{ |
573
|
|
|
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
574
|
|
|
$s = mb_convert_encoding($s, 'UTF-8', $encoding); |
575
|
|
|
} |
576
|
|
|
|
577
|
|
|
$code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; |
578
|
|
|
if (0xF0 <= $code) { |
579
|
|
|
return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; |
580
|
|
|
} |
581
|
|
|
if (0xE0 <= $code) { |
582
|
|
|
return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; |
583
|
|
|
} |
584
|
|
|
if (0xC0 <= $code) { |
585
|
|
|
return (($code - 0xC0) << 6) + $s[2] - 0x80; |
586
|
|
|
} |
587
|
|
|
|
588
|
|
|
return $code; |
589
|
|
|
} |
590
|
|
|
|
591
|
|
|
private static function getSubpart($pos, $part, $haystack, $encoding) |
592
|
|
|
{ |
593
|
|
|
if (false === $pos) { |
594
|
|
|
return false; |
595
|
|
|
} |
596
|
|
|
if ($part) { |
597
|
|
|
return self::mb_substr($haystack, 0, $pos, $encoding); |
598
|
|
|
} |
599
|
|
|
|
600
|
|
|
return self::mb_substr($haystack, $pos, null, $encoding); |
601
|
|
|
} |
602
|
|
|
|
603
|
|
|
private static function html_encoding_callback($m) |
604
|
|
|
{ |
605
|
|
|
$i = 1; |
606
|
|
|
$entities = ''; |
607
|
|
|
$m = unpack('C*', htmlentities($m[0], ENT_COMPAT, 'UTF-8')); |
608
|
|
|
|
609
|
|
|
while (isset($m[$i])) { |
610
|
|
|
if (0x80 > $m[$i]) { |
611
|
|
|
$entities .= chr($m[$i++]); |
612
|
|
|
continue; |
613
|
|
|
} |
614
|
|
|
if (0xF0 <= $m[$i]) { |
615
|
|
|
$c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
616
|
|
|
} elseif (0xE0 <= $m[$i]) { |
617
|
|
|
$c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
618
|
|
|
} else { |
619
|
|
|
$c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; |
620
|
|
|
} |
621
|
|
|
|
622
|
|
|
$entities .= '&#'.$c.';'; |
623
|
|
|
} |
624
|
|
|
|
625
|
|
|
return $entities; |
626
|
|
|
} |
627
|
|
|
|
628
|
|
|
private static function title_case_lower($s) |
629
|
|
|
{ |
630
|
|
|
return self::mb_convert_case($s[0], MB_CASE_LOWER, 'UTF-8'); |
631
|
|
|
} |
632
|
|
|
|
633
|
|
|
private static function title_case_upper($s) |
634
|
|
|
{ |
635
|
|
|
return self::mb_convert_case($s[0], MB_CASE_UPPER, 'UTF-8'); |
636
|
|
|
} |
637
|
|
|
|
638
|
|
|
private static function getData($file) |
639
|
|
|
{ |
640
|
|
|
if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { |
641
|
|
|
return require $file; |
642
|
|
|
} |
643
|
|
|
|
644
|
|
|
return false; |
645
|
|
|
} |
646
|
|
|
|
647
|
|
|
private static function getEncoding($encoding) |
648
|
|
|
{ |
649
|
|
|
if (null === $encoding) { |
650
|
|
|
return self::$internalEncoding; |
651
|
|
|
} |
652
|
|
|
|
653
|
|
|
$encoding = strtoupper($encoding); |
654
|
|
|
|
655
|
|
|
if ('8BIT' === $encoding || 'BINARY' === $encoding) { |
656
|
|
|
return 'CP850'; |
657
|
|
|
} |
658
|
|
|
if ('UTF8' === $encoding) { |
659
|
|
|
return 'UTF-8'; |
660
|
|
|
} |
661
|
|
|
|
662
|
|
|
return $encoding; |
663
|
|
|
} |
664
|
|
|
} |
665
|
|
|
|
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.