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<?php |
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|
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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 <fabien@symfony.com> |
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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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|
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namespace Symfony\Polyfill\Mbstring; |
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|
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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_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_convert_case - Perform case folding on a string |
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* - mb_detect_encoding - Detect character encoding |
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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_str_split - Convert a string to an array |
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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 another |
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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_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 <p@tchwork.com> |
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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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|
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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 $caseFold = array( |
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array('µ', 'ſ', "\xCD\x85", 'ς', "\xCF\x90", "\xCF\x91", "\xCF\x95", "\xCF\x96", "\xCF\xB0", "\xCF\xB1", "\xCF\xB5", "\xE1\xBA\x9B", "\xE1\xBE\xBE"), |
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array('μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1", 'ι'), |
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); |
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|
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public static function mb_convert_encoding($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($fromEncoding); |
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} |
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|
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$toEncoding = self::getEncoding($toEncoding); |
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|
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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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|
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if ('BASE64' === $toEncoding) { |
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return base64_encode($s); |
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} |
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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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|
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return preg_replace_callback('/[\x80-\xFF]+/', array(__CLASS__, 'html_encoding_callback'), $s); |
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} |
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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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|
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return iconv($fromEncoding, $toEncoding.'//IGNORE', $s); |
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} |
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|
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public static function mb_convert_variables($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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|
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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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|
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return $ok ? $fromEncoding : false; |
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} |
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|
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public static function mb_decode_mimeheader($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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|
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public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null) |
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{ |
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trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', E_USER_WARNING); |
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} |
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|
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public static function mb_decode_numericentity($s, $convmap, $encoding = null) |
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{ |
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if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) { |
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trigger_error('mb_decode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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|
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return null; |
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} |
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|
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if (!\is_array($convmap) || !$convmap) { |
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return false; |
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} |
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|
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if (null !== $encoding && !\is_scalar($encoding)) { |
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trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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|
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return ''; // Instead of null (cf. mb_encode_numericentity). |
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} |
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|
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$s = (string) $s; |
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if ('' === $s) { |
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return ''; |
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} |
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|
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$encoding = self::getEncoding($encoding); |
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|
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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', $s); |
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} |
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|
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$cnt = floor(\count($convmap) / 4) * 4; |
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|
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for ($i = 0; $i < $cnt; $i += 4) { |
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// collector_decode_htmlnumericentity ignores $convmap[$i + 3] |
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$convmap[$i] += $convmap[$i + 2]; |
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$convmap[$i + 1] += $convmap[$i + 2]; |
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} |
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|
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$s = preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))(?!&);?/', function (array $m) use ($cnt, $convmap) { |
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$c = isset($m[2]) ? (int) hexdec($m[2]) : $m[1]; |
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for ($i = 0; $i < $cnt; $i += 4) { |
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if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) { |
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return Mbstring::mb_chr($c - $convmap[$i + 2]); |
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} |
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} |
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|
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return $m[0]; |
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}, $s); |
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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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|
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return iconv('UTF-8', $encoding.'//IGNORE', $s); |
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} |
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|
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public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = false) |
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{ |
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if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) { |
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trigger_error('mb_encode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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|
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return null; |
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} |
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|
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if (!\is_array($convmap) || !$convmap) { |
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return false; |
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} |
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|
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if (null !== $encoding && !\is_scalar($encoding)) { |
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trigger_error('mb_encode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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|
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return null; // Instead of '' (cf. mb_decode_numericentity). |
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} |
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|
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if (null !== $is_hex && !\is_scalar($is_hex)) { |
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trigger_error('mb_encode_numericentity() expects parameter 4 to be boolean, '.\gettype($s).' given', E_USER_WARNING); |
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|
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return null; |
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} |
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|
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$s = (string) $s; |
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if ('' === $s) { |
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return ''; |
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} |
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|
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$encoding = self::getEncoding($encoding); |
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|
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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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|
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static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); |
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|
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$cnt = floor(\count($convmap) / 4) * 4; |
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$i = 0; |
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$len = \strlen($s); |
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$result = ''; |
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|
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while ($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 += $ulen; |
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$c = self::mb_ord($uchr); |
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|
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for ($j = 0; $j < $cnt; $j += 4) { |
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if ($c >= $convmap[$j] && $c <= $convmap[$j + 1]) { |
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$cOffset = ($c + $convmap[$j + 2]) & $convmap[$j + 3]; |
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$result .= $is_hex ? sprintf('&#x%X;', $cOffset) : '&#'.$cOffset.';'; |
| 259 |
continue 2; |
| 260 |
} |
| 261 |
} |
| 262 |
$result .= $uchr; |
| 263 |
} |
| 264 |
|
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if (null === $encoding) { |
| 266 |
return $result; |
| 267 |
} |
| 268 |
|
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return iconv('UTF-8', $encoding.'//IGNORE', $result); |
| 270 |
} |
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|
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public static function mb_convert_case($s, $mode, $encoding = null) |
| 273 |
{ |
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$s = (string) $s; |
| 275 |
if ('' === $s) { |
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return ''; |
| 277 |
} |
| 278 |
|
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$encoding = self::getEncoding($encoding); |
| 280 |
|
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if ('UTF-8' === $encoding) { |
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$encoding = null; |
| 283 |
if (!preg_match('//u', $s)) { |
| 284 |
$s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); |
| 285 |
} |
| 286 |
} else { |
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$s = iconv($encoding, 'UTF-8//IGNORE', $s); |
| 288 |
} |
| 289 |
|
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if (MB_CASE_TITLE == $mode) { |
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static $titleRegexp = null; |
| 292 |
if (null === $titleRegexp) { |
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$titleRegexp = self::getData('titleCaseRegexp'); |
| 294 |
} |
| 295 |
$s = preg_replace_callback($titleRegexp, array(__CLASS__, 'title_case'), $s); |
| 296 |
} else { |
| 297 |
if (MB_CASE_UPPER == $mode) { |
| 298 |
static $upper = null; |
| 299 |
if (null === $upper) { |
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$upper = self::getData('upperCase'); |
| 301 |
} |
| 302 |
$map = $upper; |
| 303 |
} else { |
| 304 |
if (self::MB_CASE_FOLD === $mode) { |
| 305 |
$s = str_replace(self::$caseFold[0], self::$caseFold[1], $s); |
| 306 |
} |
| 307 |
|
| 308 |
static $lower = null; |
| 309 |
if (null === $lower) { |
| 310 |
$lower = self::getData('lowerCase'); |
| 311 |
} |
| 312 |
$map = $lower; |
| 313 |
} |
| 314 |
|
| 315 |
static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); |
| 316 |
|
| 317 |
$i = 0; |
| 318 |
$len = \strlen($s); |
| 319 |
|
| 320 |
while ($i < $len) { |
| 321 |
$ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; |
| 322 |
$uchr = substr($s, $i, $ulen); |
| 323 |
$i += $ulen; |
| 324 |
|
| 325 |
if (isset($map[$uchr])) { |
| 326 |
$uchr = $map[$uchr]; |
| 327 |
$nlen = \strlen($uchr); |
| 328 |
|
| 329 |
if ($nlen == $ulen) { |
| 330 |
$nlen = $i; |
| 331 |
do { |
| 332 |
$s[--$nlen] = $uchr[--$ulen]; |
| 333 |
} while ($ulen); |
| 334 |
} else { |
| 335 |
$s = substr_replace($s, $uchr, $i - $ulen, $ulen); |
| 336 |
$len += $nlen - $ulen; |
| 337 |
$i += $nlen - $ulen; |
| 338 |
} |
| 339 |
} |
| 340 |
} |
| 341 |
} |
| 342 |
|
| 343 |
if (null === $encoding) { |
| 344 |
return $s; |
| 345 |
} |
| 346 |
|
| 347 |
return iconv('UTF-8', $encoding.'//IGNORE', $s); |
| 348 |
} |
| 349 |
|
| 350 |
public static function mb_internal_encoding($encoding = null) |
| 351 |
{ |
| 352 |
if (null === $encoding) { |
| 353 |
return self::$internalEncoding; |
| 354 |
} |
| 355 |
|
| 356 |
$encoding = self::getEncoding($encoding); |
| 357 |
|
| 358 |
if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) { |
| 359 |
self::$internalEncoding = $encoding; |
| 360 |
|
| 361 |
return true; |
| 362 |
} |
| 363 |
|
| 364 |
return false; |
| 365 |
} |
| 366 |
|
| 367 |
public static function mb_language($lang = null) |
| 368 |
{ |
| 369 |
if (null === $lang) { |
| 370 |
return self::$language; |
| 371 |
} |
| 372 |
|
| 373 |
switch ($lang = strtolower($lang)) { |
| 374 |
case 'uni': |
| 375 |
case 'neutral': |
| 376 |
self::$language = $lang; |
| 377 |
|
| 378 |
return true; |
| 379 |
} |
| 380 |
|
| 381 |
return false; |
| 382 |
} |
| 383 |
|
| 384 |
public static function mb_list_encodings() |
| 385 |
{ |
| 386 |
return array('UTF-8'); |
| 387 |
} |
| 388 |
|
| 389 |
public static function mb_encoding_aliases($encoding) |
| 390 |
{ |
| 391 |
switch (strtoupper($encoding)) { |
| 392 |
case 'UTF8': |
| 393 |
case 'UTF-8': |
| 394 |
return array('utf8'); |
| 395 |
} |
| 396 |
|
| 397 |
return false; |
| 398 |
} |
| 399 |
|
| 400 |
public static function mb_check_encoding($var = null, $encoding = null) |
| 401 |
{ |
| 402 |
if (null === $encoding) { |
| 403 |
if (null === $var) { |
| 404 |
return false; |
| 405 |
} |
| 406 |
$encoding = self::$internalEncoding; |
| 407 |
} |
| 408 |
|
| 409 |
return self::mb_detect_encoding($var, array($encoding)) || false !== @iconv($encoding, $encoding, $var); |
| 410 |
} |
| 411 |
|
| 412 |
public static function mb_detect_encoding($str, $encodingList = null, $strict = false) |
| 413 |
{ |
| 414 |
if (null === $encodingList) { |
| 415 |
$encodingList = self::$encodingList; |
| 416 |
} else { |
| 417 |
if (!\is_array($encodingList)) { |
| 418 |
$encodingList = array_map('trim', explode(',', $encodingList)); |
| 419 |
} |
| 420 |
$encodingList = array_map('strtoupper', $encodingList); |
| 421 |
} |
| 422 |
|
| 423 |
foreach ($encodingList as $enc) { |
| 424 |
switch ($enc) { |
| 425 |
case 'ASCII': |
| 426 |
if (!preg_match('/[\x80-\xFF]/', $str)) { |
| 427 |
return $enc; |
| 428 |
} |
| 429 |
break; |
| 430 |
|
| 431 |
case 'UTF8': |
| 432 |
case 'UTF-8': |
| 433 |
if (preg_match('//u', $str)) { |
| 434 |
return 'UTF-8'; |
| 435 |
} |
| 436 |
break; |
| 437 |
|
| 438 |
default: |
| 439 |
if (0 === strncmp($enc, 'ISO-8859-', 9)) { |
| 440 |
return $enc; |
| 441 |
} |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
return false; |
| 446 |
} |
| 447 |
|
| 448 |
public static function mb_detect_order($encodingList = null) |
| 449 |
{ |
| 450 |
if (null === $encodingList) { |
| 451 |
return self::$encodingList; |
| 452 |
} |
| 453 |
|
| 454 |
if (!\is_array($encodingList)) { |
| 455 |
$encodingList = array_map('trim', explode(',', $encodingList)); |
| 456 |
} |
| 457 |
$encodingList = array_map('strtoupper', $encodingList); |
| 458 |
|
| 459 |
foreach ($encodingList as $enc) { |
| 460 |
switch ($enc) { |
| 461 |
default: |
| 462 |
if (strncmp($enc, 'ISO-8859-', 9)) { |
| 463 |
return false; |
| 464 |
} |
| 465 |
// no break |
| 466 |
case 'ASCII': |
| 467 |
case 'UTF8': |
| 468 |
case 'UTF-8': |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
self::$encodingList = $encodingList; |
| 473 |
|
| 474 |
return true; |
| 475 |
} |
| 476 |
|
| 477 |
public static function mb_strlen($s, $encoding = null) |
| 478 |
{ |
| 479 |
$encoding = self::getEncoding($encoding); |
| 480 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 481 |
return \strlen($s); |
| 482 |
} |
| 483 |
|
| 484 |
return @iconv_strlen($s, $encoding); |
| 485 |
} |
| 486 |
|
| 487 |
public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) |
| 488 |
{ |
| 489 |
$encoding = self::getEncoding($encoding); |
| 490 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 491 |
return strpos($haystack, $needle, $offset); |
| 492 |
} |
| 493 |
|
| 494 |
$needle = (string) $needle; |
| 495 |
if ('' === $needle) { |
| 496 |
trigger_error(__METHOD__.': Empty delimiter', E_USER_WARNING); |
| 497 |
|
| 498 |
return false; |
| 499 |
} |
| 500 |
|
| 501 |
return iconv_strpos($haystack, $needle, $offset, $encoding); |
| 502 |
} |
| 503 |
|
| 504 |
public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) |
| 505 |
{ |
| 506 |
$encoding = self::getEncoding($encoding); |
| 507 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 508 |
return strrpos($haystack, $needle, $offset); |
| 509 |
} |
| 510 |
|
| 511 |
if ($offset != (int) $offset) { |
| 512 |
$offset = 0; |
| 513 |
} elseif ($offset = (int) $offset) { |
| 514 |
if ($offset < 0) { |
| 515 |
if (0 > $offset += self::mb_strlen($needle)) { |
| 516 |
$haystack = self::mb_substr($haystack, 0, $offset, $encoding); |
| 517 |
} |
| 518 |
$offset = 0; |
| 519 |
} else { |
| 520 |
$haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding); |
| 521 |
} |
| 522 |
} |
| 523 |
|
| 524 |
$pos = iconv_strrpos($haystack, $needle, $encoding); |
| 525 |
|
| 526 |
return false !== $pos ? $offset + $pos : false; |
| 527 |
} |
| 528 |
|
| 529 |
public static function mb_str_split($string, $split_length = 1, $encoding = null) |
| 530 |
{ |
| 531 |
if (null !== $string && !\is_scalar($string) && !(\is_object($string) && \method_exists($string, '__toString'))) { |
| 532 |
trigger_error('mb_str_split() expects parameter 1 to be string, '.\gettype($string).' given', E_USER_WARNING); |
| 533 |
|
| 534 |
return null; |
| 535 |
} |
| 536 |
|
| 537 |
if (1 > $split_length = (int) $split_length) { |
| 538 |
trigger_error('The length of each segment must be greater than zero', E_USER_WARNING); |
| 539 |
|
| 540 |
return false; |
| 541 |
} |
| 542 |
|
| 543 |
if (null === $encoding) { |
| 544 |
$encoding = mb_internal_encoding(); |
| 545 |
} |
| 546 |
|
| 547 |
if ('UTF-8' === $encoding = self::getEncoding($encoding)) { |
| 548 |
$rx = '/('; |
| 549 |
while (65535 < $split_length) { |
| 550 |
$rx .= '.{65535}'; |
| 551 |
$split_length -= 65535; |
| 552 |
} |
| 553 |
$rx .= '.{'.$split_length.'})/us'; |
| 554 |
|
| 555 |
return preg_split($rx, $string, null, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY); |
| 556 |
} |
| 557 |
|
| 558 |
$result = array(); |
| 559 |
$length = mb_strlen($string, $encoding); |
| 560 |
|
| 561 |
for ($i = 0; $i < $length; $i += $split_length) { |
| 562 |
$result[] = mb_substr($string, $i, $split_length, $encoding); |
| 563 |
} |
| 564 |
|
| 565 |
return $result; |
| 566 |
} |
| 567 |
|
| 568 |
public static function mb_strtolower($s, $encoding = null) |
| 569 |
{ |
| 570 |
return self::mb_convert_case($s, MB_CASE_LOWER, $encoding); |
| 571 |
} |
| 572 |
|
| 573 |
public static function mb_strtoupper($s, $encoding = null) |
| 574 |
{ |
| 575 |
return self::mb_convert_case($s, MB_CASE_UPPER, $encoding); |
| 576 |
} |
| 577 |
|
| 578 |
public static function mb_substitute_character($c = null) |
| 579 |
{ |
| 580 |
if (0 === strcasecmp($c, 'none')) { |
| 581 |
return true; |
| 582 |
} |
| 583 |
|
| 584 |
return null !== $c ? false : 'none'; |
| 585 |
} |
| 586 |
|
| 587 |
public static function mb_substr($s, $start, $length = null, $encoding = null) |
| 588 |
{ |
| 589 |
$encoding = self::getEncoding($encoding); |
| 590 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 591 |
return (string) substr($s, $start, null === $length ? 2147483647 : $length); |
| 592 |
} |
| 593 |
|
| 594 |
if ($start < 0) { |
| 595 |
$start = iconv_strlen($s, $encoding) + $start; |
| 596 |
if ($start < 0) { |
| 597 |
$start = 0; |
| 598 |
} |
| 599 |
} |
| 600 |
|
| 601 |
if (null === $length) { |
| 602 |
$length = 2147483647; |
| 603 |
} elseif ($length < 0) { |
| 604 |
$length = iconv_strlen($s, $encoding) + $length - $start; |
| 605 |
if ($length < 0) { |
| 606 |
return ''; |
| 607 |
} |
| 608 |
} |
| 609 |
|
| 610 |
return (string) iconv_substr($s, $start, $length, $encoding); |
| 611 |
} |
| 612 |
|
| 613 |
public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) |
| 614 |
{ |
| 615 |
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
| 616 |
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
| 617 |
|
| 618 |
return self::mb_strpos($haystack, $needle, $offset, $encoding); |
| 619 |
} |
| 620 |
|
| 621 |
public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) |
| 622 |
{ |
| 623 |
$pos = self::mb_stripos($haystack, $needle, 0, $encoding); |
| 624 |
|
| 625 |
return self::getSubpart($pos, $part, $haystack, $encoding); |
| 626 |
} |
| 627 |
|
| 628 |
public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) |
| 629 |
{ |
| 630 |
$encoding = self::getEncoding($encoding); |
| 631 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 632 |
return strrchr($haystack, $needle, $part); |
| 633 |
} |
| 634 |
$needle = self::mb_substr($needle, 0, 1, $encoding); |
| 635 |
$pos = iconv_strrpos($haystack, $needle, $encoding); |
| 636 |
|
| 637 |
return self::getSubpart($pos, $part, $haystack, $encoding); |
| 638 |
} |
| 639 |
|
| 640 |
public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) |
| 641 |
{ |
| 642 |
$needle = self::mb_substr($needle, 0, 1, $encoding); |
| 643 |
$pos = self::mb_strripos($haystack, $needle, $encoding); |
| 644 |
|
| 645 |
return self::getSubpart($pos, $part, $haystack, $encoding); |
| 646 |
} |
| 647 |
|
| 648 |
public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) |
| 649 |
{ |
| 650 |
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
| 651 |
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
| 652 |
|
| 653 |
return self::mb_strrpos($haystack, $needle, $offset, $encoding); |
| 654 |
} |
| 655 |
|
| 656 |
public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) |
| 657 |
{ |
| 658 |
$pos = strpos($haystack, $needle); |
| 659 |
if (false === $pos) { |
| 660 |
return false; |
| 661 |
} |
| 662 |
if ($part) { |
| 663 |
return substr($haystack, 0, $pos); |
| 664 |
} |
| 665 |
|
| 666 |
return substr($haystack, $pos); |
| 667 |
} |
| 668 |
|
| 669 |
public static function mb_get_info($type = 'all') |
| 670 |
{ |
| 671 |
$info = array( |
| 672 |
'internal_encoding' => self::$internalEncoding, |
| 673 |
'http_output' => 'pass', |
| 674 |
'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', |
| 675 |
'func_overload' => 0, |
| 676 |
'func_overload_list' => 'no overload', |
| 677 |
'mail_charset' => 'UTF-8', |
| 678 |
'mail_header_encoding' => 'BASE64', |
| 679 |
'mail_body_encoding' => 'BASE64', |
| 680 |
'illegal_chars' => 0, |
| 681 |
'encoding_translation' => 'Off', |
| 682 |
'language' => self::$language, |
| 683 |
'detect_order' => self::$encodingList, |
| 684 |
'substitute_character' => 'none', |
| 685 |
'strict_detection' => 'Off', |
| 686 |
); |
| 687 |
|
| 688 |
if ('all' === $type) { |
| 689 |
return $info; |
| 690 |
} |
| 691 |
if (isset($info[$type])) { |
| 692 |
return $info[$type]; |
| 693 |
} |
| 694 |
|
| 695 |
return false; |
| 696 |
} |
| 697 |
|
| 698 |
public static function mb_http_input($type = '') |
| 699 |
{ |
| 700 |
return false; |
| 701 |
} |
| 702 |
|
| 703 |
public static function mb_http_output($encoding = null) |
| 704 |
{ |
| 705 |
return null !== $encoding ? 'pass' === $encoding : 'pass'; |
| 706 |
} |
| 707 |
|
| 708 |
public static function mb_strwidth($s, $encoding = null) |
| 709 |
{ |
| 710 |
$encoding = self::getEncoding($encoding); |
| 711 |
|
| 712 |
if ('UTF-8' !== $encoding) { |
| 713 |
$s = iconv($encoding, 'UTF-8//IGNORE', $s); |
| 714 |
} |
| 715 |
|
| 716 |
$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, $wide); |
| 717 |
|
| 718 |
return ($wide << 1) + iconv_strlen($s, 'UTF-8'); |
| 719 |
} |
| 720 |
|
| 721 |
public static function mb_substr_count($haystack, $needle, $encoding = null) |
| 722 |
{ |
| 723 |
return substr_count($haystack, $needle); |
| 724 |
} |
| 725 |
|
| 726 |
public static function mb_output_handler($contents, $status) |
| 727 |
{ |
| 728 |
return $contents; |
| 729 |
} |
| 730 |
|
| 731 |
public static function mb_chr($code, $encoding = null) |
| 732 |
{ |
| 733 |
if (0x80 > $code %= 0x200000) { |
| 734 |
$s = \chr($code); |
| 735 |
} elseif (0x800 > $code) { |
| 736 |
$s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); |
| 737 |
} elseif (0x10000 > $code) { |
| 738 |
$s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
| 739 |
} else { |
| 740 |
$s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
| 741 |
} |
| 742 |
|
| 743 |
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
| 744 |
$s = mb_convert_encoding($s, $encoding, 'UTF-8'); |
| 745 |
} |
| 746 |
|
| 747 |
return $s; |
| 748 |
} |
| 749 |
|
| 750 |
public static function mb_ord($s, $encoding = null) |
| 751 |
{ |
| 752 |
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
| 753 |
$s = mb_convert_encoding($s, 'UTF-8', $encoding); |
| 754 |
} |
| 755 |
|
| 756 |
if (1 === \strlen($s)) { |
| 757 |
return \ord($s); |
| 758 |
} |
| 759 |
|
| 760 |
$code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; |
| 761 |
if (0xF0 <= $code) { |
| 762 |
return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; |
| 763 |
} |
| 764 |
if (0xE0 <= $code) { |
| 765 |
return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; |
| 766 |
} |
| 767 |
if (0xC0 <= $code) { |
| 768 |
return (($code - 0xC0) << 6) + $s[2] - 0x80; |
| 769 |
} |
| 770 |
|
| 771 |
return $code; |
| 772 |
} |
| 773 |
|
| 774 |
private static function getSubpart($pos, $part, $haystack, $encoding) |
| 775 |
{ |
| 776 |
if (false === $pos) { |
| 777 |
return false; |
| 778 |
} |
| 779 |
if ($part) { |
| 780 |
return self::mb_substr($haystack, 0, $pos, $encoding); |
| 781 |
} |
| 782 |
|
| 783 |
return self::mb_substr($haystack, $pos, null, $encoding); |
| 784 |
} |
| 785 |
|
| 786 |
private static function html_encoding_callback(array $m) |
| 787 |
{ |
| 788 |
$i = 1; |
| 789 |
$entities = ''; |
| 790 |
$m = unpack('C*', htmlentities($m[0], ENT_COMPAT, 'UTF-8')); |
| 791 |
|
| 792 |
while (isset($m[$i])) { |
| 793 |
if (0x80 > $m[$i]) { |
| 794 |
$entities .= \chr($m[$i++]); |
| 795 |
continue; |
| 796 |
} |
| 797 |
if (0xF0 <= $m[$i]) { |
| 798 |
$c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
| 799 |
} elseif (0xE0 <= $m[$i]) { |
| 800 |
$c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
| 801 |
} else { |
| 802 |
$c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; |
| 803 |
} |
| 804 |
|
| 805 |
$entities .= '&#'.$c.';'; |
| 806 |
} |
| 807 |
|
| 808 |
return $entities; |
| 809 |
} |
| 810 |
|
| 811 |
private static function title_case(array $s) |
| 812 |
{ |
| 813 |
return self::mb_convert_case($s[1], MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], MB_CASE_LOWER, 'UTF-8'); |
| 814 |
} |
| 815 |
|
| 816 |
private static function getData($file) |
| 817 |
{ |
| 818 |
if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { |
| 819 |
return require $file; |
| 820 |
} |
| 821 |
|
| 822 |
return false; |
| 823 |
} |
| 824 |
|
| 825 |
private static function getEncoding($encoding) |
| 826 |
{ |
| 827 |
if (null === $encoding) { |
| 828 |
return self::$internalEncoding; |
| 829 |
} |
| 830 |
|
| 831 |
if ('UTF-8' === $encoding) { |
| 832 |
return 'UTF-8'; |
| 833 |
} |
| 834 |
|
| 835 |
$encoding = strtoupper($encoding); |
| 836 |
|
| 837 |
if ('8BIT' === $encoding || 'BINARY' === $encoding) { |
| 838 |
return 'CP850'; |
| 839 |
} |
| 840 |
|
| 841 |
if ('UTF8' === $encoding) { |
| 842 |
return 'UTF-8'; |
| 843 |
} |
| 844 |
|
| 845 |
return $encoding; |
| 846 |
} |
| 847 |
} |
| 848 |
|
