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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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public const MB_CASE_FOLD = \PHP_INT_MAX; |
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|
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private const CASE_FOLD = [ |
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['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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['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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private static $encodingList = ['ASCII', 'UTF-8']; |
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private static $language = 'neutral'; |
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private static $internalEncoding = 'UTF-8'; |
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|
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public static function mb_convert_encoding($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]+/', [__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, $fromEncoding, &...$vars) |
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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 === $v = self::mb_convert_encoding($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) || (80000 > \PHP_VERSION_ID && !$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 self::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) || (80000 > \PHP_VERSION_ID && !$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 $ulenMask = ["\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4]; |
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|
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$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.';'; |
| 258 |
continue 2; |
| 259 |
} |
| 260 |
} |
| 261 |
$result .= $uchr; |
| 262 |
} |
| 263 |
|
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if (null === $encoding) { |
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return $result; |
| 266 |
} |
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|
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return \iconv('UTF-8', $encoding.'//IGNORE', $result); |
| 269 |
} |
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|
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public static function mb_convert_case($s, $mode, $encoding = null) |
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{ |
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$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; |
| 282 |
if (!preg_match('//u', $s)) { |
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$s = @\iconv('UTF-8', 'UTF-8//IGNORE', $s); |
| 284 |
} |
| 285 |
} else { |
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$s = \iconv($encoding, 'UTF-8//IGNORE', $s); |
| 287 |
} |
| 288 |
|
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if (\MB_CASE_TITLE == $mode) { |
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static $titleRegexp = null; |
| 291 |
if (null === $titleRegexp) { |
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$titleRegexp = self::getData('titleCaseRegexp'); |
| 293 |
} |
| 294 |
$s = preg_replace_callback($titleRegexp, [__CLASS__, 'title_case'], $s); |
| 295 |
} else { |
| 296 |
if (\MB_CASE_UPPER == $mode) { |
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static $upper = null; |
| 298 |
if (null === $upper) { |
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$upper = self::getData('upperCase'); |
| 300 |
} |
| 301 |
$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::CASE_FOLD[0], self::CASE_FOLD[1], $s); |
| 305 |
} |
| 306 |
|
| 307 |
static $lower = null; |
| 308 |
if (null === $lower) { |
| 309 |
$lower = self::getData('lowerCase'); |
| 310 |
} |
| 311 |
$map = $lower; |
| 312 |
} |
| 313 |
|
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static $ulenMask = ["\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4]; |
| 315 |
|
| 316 |
$i = 0; |
| 317 |
$len = \strlen($s); |
| 318 |
|
| 319 |
while ($i < $len) { |
| 320 |
$ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; |
| 321 |
$uchr = substr($s, $i, $ulen); |
| 322 |
$i += $ulen; |
| 323 |
|
| 324 |
if (isset($map[$uchr])) { |
| 325 |
$uchr = $map[$uchr]; |
| 326 |
$nlen = \strlen($uchr); |
| 327 |
|
| 328 |
if ($nlen == $ulen) { |
| 329 |
$nlen = $i; |
| 330 |
do { |
| 331 |
$s[--$nlen] = $uchr[--$ulen]; |
| 332 |
} while ($ulen); |
| 333 |
} else { |
| 334 |
$s = substr_replace($s, $uchr, $i - $ulen, $ulen); |
| 335 |
$len += $nlen - $ulen; |
| 336 |
$i += $nlen - $ulen; |
| 337 |
} |
| 338 |
} |
| 339 |
} |
| 340 |
} |
| 341 |
|
| 342 |
if (null === $encoding) { |
| 343 |
return $s; |
| 344 |
} |
| 345 |
|
| 346 |
return \iconv('UTF-8', $encoding.'//IGNORE', $s); |
| 347 |
} |
| 348 |
|
| 349 |
public static function mb_internal_encoding($encoding = null) |
| 350 |
{ |
| 351 |
if (null === $encoding) { |
| 352 |
return self::$internalEncoding; |
| 353 |
} |
| 354 |
|
| 355 |
$normalizedEncoding = self::getEncoding($encoding); |
| 356 |
|
| 357 |
if ('UTF-8' === $normalizedEncoding || false !== @\iconv($normalizedEncoding, $normalizedEncoding, ' ')) { |
| 358 |
self::$internalEncoding = $normalizedEncoding; |
| 359 |
|
| 360 |
return true; |
| 361 |
} |
| 362 |
|
| 363 |
if (80000 > \PHP_VERSION_ID) { |
| 364 |
return false; |
| 365 |
} |
| 366 |
|
| 367 |
throw new \ValueError(sprintf('Argument #1 ($encoding) must be a valid encoding, "%s" given', $encoding)); |
| 368 |
} |
| 369 |
|
| 370 |
public static function mb_language($lang = null) |
| 371 |
{ |
| 372 |
if (null === $lang) { |
| 373 |
return self::$language; |
| 374 |
} |
| 375 |
|
| 376 |
switch ($normalizedLang = strtolower($lang)) { |
| 377 |
case 'uni': |
| 378 |
case 'neutral': |
| 379 |
self::$language = $normalizedLang; |
| 380 |
|
| 381 |
return true; |
| 382 |
} |
| 383 |
|
| 384 |
if (80000 > \PHP_VERSION_ID) { |
| 385 |
return false; |
| 386 |
} |
| 387 |
|
| 388 |
throw new \ValueError(sprintf('Argument #1 ($language) must be a valid language, "%s" given', $lang)); |
| 389 |
} |
| 390 |
|
| 391 |
public static function mb_list_encodings() |
| 392 |
{ |
| 393 |
return ['UTF-8']; |
| 394 |
} |
| 395 |
|
| 396 |
public static function mb_encoding_aliases($encoding) |
| 397 |
{ |
| 398 |
switch (strtoupper($encoding)) { |
| 399 |
case 'UTF8': |
| 400 |
case 'UTF-8': |
| 401 |
return ['utf8']; |
| 402 |
} |
| 403 |
|
| 404 |
return false; |
| 405 |
} |
| 406 |
|
| 407 |
public static function mb_check_encoding($var = null, $encoding = null) |
| 408 |
{ |
| 409 |
if (null === $encoding) { |
| 410 |
if (null === $var) { |
| 411 |
return false; |
| 412 |
} |
| 413 |
$encoding = self::$internalEncoding; |
| 414 |
} |
| 415 |
|
| 416 |
return self::mb_detect_encoding($var, [$encoding]) || false !== @\iconv($encoding, $encoding, $var); |
| 417 |
} |
| 418 |
|
| 419 |
public static function mb_detect_encoding($str, $encodingList = null, $strict = false) |
| 420 |
{ |
| 421 |
if (null === $encodingList) { |
| 422 |
$encodingList = self::$encodingList; |
| 423 |
} else { |
| 424 |
if (!\is_array($encodingList)) { |
| 425 |
$encodingList = array_map('trim', explode(',', $encodingList)); |
| 426 |
} |
| 427 |
$encodingList = array_map('strtoupper', $encodingList); |
| 428 |
} |
| 429 |
|
| 430 |
foreach ($encodingList as $enc) { |
| 431 |
switch ($enc) { |
| 432 |
case 'ASCII': |
| 433 |
if (!preg_match('/[\x80-\xFF]/', $str)) { |
| 434 |
return $enc; |
| 435 |
} |
| 436 |
break; |
| 437 |
|
| 438 |
case 'UTF8': |
| 439 |
case 'UTF-8': |
| 440 |
if (preg_match('//u', $str)) { |
| 441 |
return 'UTF-8'; |
| 442 |
} |
| 443 |
break; |
| 444 |
|
| 445 |
default: |
| 446 |
if (0 === strncmp($enc, 'ISO-8859-', 9)) { |
| 447 |
return $enc; |
| 448 |
} |
| 449 |
} |
| 450 |
} |
| 451 |
|
| 452 |
return false; |
| 453 |
} |
| 454 |
|
| 455 |
public static function mb_detect_order($encodingList = null) |
| 456 |
{ |
| 457 |
if (null === $encodingList) { |
| 458 |
return self::$encodingList; |
| 459 |
} |
| 460 |
|
| 461 |
if (!\is_array($encodingList)) { |
| 462 |
$encodingList = array_map('trim', explode(',', $encodingList)); |
| 463 |
} |
| 464 |
$encodingList = array_map('strtoupper', $encodingList); |
| 465 |
|
| 466 |
foreach ($encodingList as $enc) { |
| 467 |
switch ($enc) { |
| 468 |
default: |
| 469 |
if (strncmp($enc, 'ISO-8859-', 9)) { |
| 470 |
return false; |
| 471 |
} |
| 472 |
// no break |
| 473 |
case 'ASCII': |
| 474 |
case 'UTF8': |
| 475 |
case 'UTF-8': |
| 476 |
} |
| 477 |
} |
| 478 |
|
| 479 |
self::$encodingList = $encodingList; |
| 480 |
|
| 481 |
return true; |
| 482 |
} |
| 483 |
|
| 484 |
public static function mb_strlen($s, $encoding = null) |
| 485 |
{ |
| 486 |
$encoding = self::getEncoding($encoding); |
| 487 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 488 |
return \strlen($s); |
| 489 |
} |
| 490 |
|
| 491 |
return @\iconv_strlen($s, $encoding); |
| 492 |
} |
| 493 |
|
| 494 |
public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) |
| 495 |
{ |
| 496 |
$encoding = self::getEncoding($encoding); |
| 497 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 498 |
return strpos($haystack, $needle, $offset); |
| 499 |
} |
| 500 |
|
| 501 |
$needle = (string) $needle; |
| 502 |
if ('' === $needle) { |
| 503 |
if (80000 > \PHP_VERSION_ID) { |
| 504 |
trigger_error(__METHOD__.': Empty delimiter', \E_USER_WARNING); |
| 505 |
|
| 506 |
return false; |
| 507 |
} |
| 508 |
|
| 509 |
return 0; |
| 510 |
} |
| 511 |
|
| 512 |
return \iconv_strpos($haystack, $needle, $offset, $encoding); |
| 513 |
} |
| 514 |
|
| 515 |
public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) |
| 516 |
{ |
| 517 |
$encoding = self::getEncoding($encoding); |
| 518 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 519 |
return strrpos($haystack, $needle, $offset); |
| 520 |
} |
| 521 |
|
| 522 |
if ($offset != (int) $offset) { |
| 523 |
$offset = 0; |
| 524 |
} elseif ($offset = (int) $offset) { |
| 525 |
if ($offset < 0) { |
| 526 |
if (0 > $offset += self::mb_strlen($needle)) { |
| 527 |
$haystack = self::mb_substr($haystack, 0, $offset, $encoding); |
| 528 |
} |
| 529 |
$offset = 0; |
| 530 |
} else { |
| 531 |
$haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding); |
| 532 |
} |
| 533 |
} |
| 534 |
|
| 535 |
$pos = '' !== $needle || 80000 > \PHP_VERSION_ID |
| 536 |
? \iconv_strrpos($haystack, $needle, $encoding) |
| 537 |
: self::mb_strlen($haystack, $encoding); |
| 538 |
|
| 539 |
return false !== $pos ? $offset + $pos : false; |
| 540 |
} |
| 541 |
|
| 542 |
public static function mb_str_split($string, $split_length = 1, $encoding = null) |
| 543 |
{ |
| 544 |
if (null !== $string && !is_scalar($string) && !(\is_object($string) && method_exists($string, '__toString'))) { |
| 545 |
trigger_error('mb_str_split() expects parameter 1 to be string, '.\gettype($string).' given', \E_USER_WARNING); |
| 546 |
|
| 547 |
return null; |
| 548 |
} |
| 549 |
|
| 550 |
if (1 > $split_length = (int) $split_length) { |
| 551 |
if (80000 > \PHP_VERSION_ID) { |
| 552 |
trigger_error('The length of each segment must be greater than zero', \E_USER_WARNING); |
| 553 |
return false; |
| 554 |
} |
| 555 |
|
| 556 |
throw new \ValueError('Argument #2 ($length) must be greater than 0'); |
| 557 |
} |
| 558 |
|
| 559 |
if (null === $encoding) { |
| 560 |
$encoding = mb_internal_encoding(); |
| 561 |
} |
| 562 |
|
| 563 |
if ('UTF-8' === $encoding = self::getEncoding($encoding)) { |
| 564 |
$rx = '/('; |
| 565 |
while (65535 < $split_length) { |
| 566 |
$rx .= '.{65535}'; |
| 567 |
$split_length -= 65535; |
| 568 |
} |
| 569 |
$rx .= '.{'.$split_length.'})/us'; |
| 570 |
|
| 571 |
return preg_split($rx, $string, null, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY); |
| 572 |
} |
| 573 |
|
| 574 |
$result = []; |
| 575 |
$length = mb_strlen($string, $encoding); |
| 576 |
|
| 577 |
for ($i = 0; $i < $length; $i += $split_length) { |
| 578 |
$result[] = mb_substr($string, $i, $split_length, $encoding); |
| 579 |
} |
| 580 |
|
| 581 |
return $result; |
| 582 |
} |
| 583 |
|
| 584 |
public static function mb_strtolower($s, $encoding = null) |
| 585 |
{ |
| 586 |
return self::mb_convert_case($s, \MB_CASE_LOWER, $encoding); |
| 587 |
} |
| 588 |
|
| 589 |
public static function mb_strtoupper($s, $encoding = null) |
| 590 |
{ |
| 591 |
return self::mb_convert_case($s, \MB_CASE_UPPER, $encoding); |
| 592 |
} |
| 593 |
|
| 594 |
public static function mb_substitute_character($c = null) |
| 595 |
{ |
| 596 |
if (null === $c) { |
| 597 |
return 'none'; |
| 598 |
} |
| 599 |
if (0 === strcasecmp($c, 'none')) { |
| 600 |
return true; |
| 601 |
} |
| 602 |
if (80000 > \PHP_VERSION_ID) { |
| 603 |
return false; |
| 604 |
} |
| 605 |
|
| 606 |
throw new \ValueError('Argument #1 ($substitute_character) must be "none", "long", "entity" or a valid codepoint'); |
| 607 |
} |
| 608 |
|
| 609 |
public static function mb_substr($s, $start, $length = null, $encoding = null) |
| 610 |
{ |
| 611 |
$encoding = self::getEncoding($encoding); |
| 612 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 613 |
return (string) substr($s, $start, null === $length ? 2147483647 : $length); |
| 614 |
} |
| 615 |
|
| 616 |
if ($start < 0) { |
| 617 |
$start = \iconv_strlen($s, $encoding) + $start; |
| 618 |
if ($start < 0) { |
| 619 |
$start = 0; |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
if (null === $length) { |
| 624 |
$length = 2147483647; |
| 625 |
} elseif ($length < 0) { |
| 626 |
$length = \iconv_strlen($s, $encoding) + $length - $start; |
| 627 |
if ($length < 0) { |
| 628 |
return ''; |
| 629 |
} |
| 630 |
} |
| 631 |
|
| 632 |
return (string) \iconv_substr($s, $start, $length, $encoding); |
| 633 |
} |
| 634 |
|
| 635 |
public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) |
| 636 |
{ |
| 637 |
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
| 638 |
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
| 639 |
|
| 640 |
return self::mb_strpos($haystack, $needle, $offset, $encoding); |
| 641 |
} |
| 642 |
|
| 643 |
public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) |
| 644 |
{ |
| 645 |
$pos = self::mb_stripos($haystack, $needle, 0, $encoding); |
| 646 |
|
| 647 |
return self::getSubpart($pos, $part, $haystack, $encoding); |
| 648 |
} |
| 649 |
|
| 650 |
public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) |
| 651 |
{ |
| 652 |
$encoding = self::getEncoding($encoding); |
| 653 |
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
| 654 |
$pos = strrpos($haystack, $needle); |
| 655 |
} else { |
| 656 |
$needle = self::mb_substr($needle, 0, 1, $encoding); |
| 657 |
$pos = \iconv_strrpos($haystack, $needle, $encoding); |
| 658 |
} |
| 659 |
|
| 660 |
return self::getSubpart($pos, $part, $haystack, $encoding); |
| 661 |
} |
| 662 |
|
| 663 |
public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) |
| 664 |
{ |
| 665 |
$needle = self::mb_substr($needle, 0, 1, $encoding); |
| 666 |
$pos = self::mb_strripos($haystack, $needle, $encoding); |
| 667 |
|
| 668 |
return self::getSubpart($pos, $part, $haystack, $encoding); |
| 669 |
} |
| 670 |
|
| 671 |
public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) |
| 672 |
{ |
| 673 |
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
| 674 |
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
| 675 |
|
| 676 |
return self::mb_strrpos($haystack, $needle, $offset, $encoding); |
| 677 |
} |
| 678 |
|
| 679 |
public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) |
| 680 |
{ |
| 681 |
$pos = strpos($haystack, $needle); |
| 682 |
if (false === $pos) { |
| 683 |
return false; |
| 684 |
} |
| 685 |
if ($part) { |
| 686 |
return substr($haystack, 0, $pos); |
| 687 |
} |
| 688 |
|
| 689 |
return substr($haystack, $pos); |
| 690 |
} |
| 691 |
|
| 692 |
public static function mb_get_info($type = 'all') |
| 693 |
{ |
| 694 |
$info = [ |
| 695 |
'internal_encoding' => self::$internalEncoding, |
| 696 |
'http_output' => 'pass', |
| 697 |
'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', |
| 698 |
'func_overload' => 0, |
| 699 |
'func_overload_list' => 'no overload', |
| 700 |
'mail_charset' => 'UTF-8', |
| 701 |
'mail_header_encoding' => 'BASE64', |
| 702 |
'mail_body_encoding' => 'BASE64', |
| 703 |
'illegal_chars' => 0, |
| 704 |
'encoding_translation' => 'Off', |
| 705 |
'language' => self::$language, |
| 706 |
'detect_order' => self::$encodingList, |
| 707 |
'substitute_character' => 'none', |
| 708 |
'strict_detection' => 'Off', |
| 709 |
]; |
| 710 |
|
| 711 |
if ('all' === $type) { |
| 712 |
return $info; |
| 713 |
} |
| 714 |
if (isset($info[$type])) { |
| 715 |
return $info[$type]; |
| 716 |
} |
| 717 |
|
| 718 |
return false; |
| 719 |
} |
| 720 |
|
| 721 |
public static function mb_http_input($type = '') |
| 722 |
{ |
| 723 |
return false; |
| 724 |
} |
| 725 |
|
| 726 |
public static function mb_http_output($encoding = null) |
| 727 |
{ |
| 728 |
return null !== $encoding ? 'pass' === $encoding : 'pass'; |
| 729 |
} |
| 730 |
|
| 731 |
public static function mb_strwidth($s, $encoding = null) |
| 732 |
{ |
| 733 |
$encoding = self::getEncoding($encoding); |
| 734 |
|
| 735 |
if ('UTF-8' !== $encoding) { |
| 736 |
$s = \iconv($encoding, 'UTF-8//IGNORE', $s); |
| 737 |
} |
| 738 |
|
| 739 |
$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, $wide); |
| 740 |
|
| 741 |
return ($wide << 1) + \iconv_strlen($s, 'UTF-8'); |
| 742 |
} |
| 743 |
|
| 744 |
public static function mb_substr_count($haystack, $needle, $encoding = null) |
| 745 |
{ |
| 746 |
return substr_count($haystack, $needle); |
| 747 |
} |
| 748 |
|
| 749 |
public static function mb_output_handler($contents, $status) |
| 750 |
{ |
| 751 |
return $contents; |
| 752 |
} |
| 753 |
|
| 754 |
public static function mb_chr($code, $encoding = null) |
| 755 |
{ |
| 756 |
if (0x80 > $code %= 0x200000) { |
| 757 |
$s = \chr($code); |
| 758 |
} elseif (0x800 > $code) { |
| 759 |
$s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); |
| 760 |
} elseif (0x10000 > $code) { |
| 761 |
$s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
| 762 |
} else { |
| 763 |
$s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
| 764 |
} |
| 765 |
|
| 766 |
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
| 767 |
$s = mb_convert_encoding($s, $encoding, 'UTF-8'); |
| 768 |
} |
| 769 |
|
| 770 |
return $s; |
| 771 |
} |
| 772 |
|
| 773 |
public static function mb_ord($s, $encoding = null) |
| 774 |
{ |
| 775 |
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
| 776 |
$s = mb_convert_encoding($s, 'UTF-8', $encoding); |
| 777 |
} |
| 778 |
|
| 779 |
if (1 === \strlen($s)) { |
| 780 |
return \ord($s); |
| 781 |
} |
| 782 |
|
| 783 |
$code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; |
| 784 |
if (0xF0 <= $code) { |
| 785 |
return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; |
| 786 |
} |
| 787 |
if (0xE0 <= $code) { |
| 788 |
return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; |
| 789 |
} |
| 790 |
if (0xC0 <= $code) { |
| 791 |
return (($code - 0xC0) << 6) + $s[2] - 0x80; |
| 792 |
} |
| 793 |
|
| 794 |
return $code; |
| 795 |
} |
| 796 |
|
| 797 |
private static function getSubpart($pos, $part, $haystack, $encoding) |
| 798 |
{ |
| 799 |
if (false === $pos) { |
| 800 |
return false; |
| 801 |
} |
| 802 |
if ($part) { |
| 803 |
return self::mb_substr($haystack, 0, $pos, $encoding); |
| 804 |
} |
| 805 |
|
| 806 |
return self::mb_substr($haystack, $pos, null, $encoding); |
| 807 |
} |
| 808 |
|
| 809 |
private static function html_encoding_callback(array $m) |
| 810 |
{ |
| 811 |
$i = 1; |
| 812 |
$entities = ''; |
| 813 |
$m = unpack('C*', htmlentities($m[0], \ENT_COMPAT, 'UTF-8')); |
| 814 |
|
| 815 |
while (isset($m[$i])) { |
| 816 |
if (0x80 > $m[$i]) { |
| 817 |
$entities .= \chr($m[$i++]); |
| 818 |
continue; |
| 819 |
} |
| 820 |
if (0xF0 <= $m[$i]) { |
| 821 |
$c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
| 822 |
} elseif (0xE0 <= $m[$i]) { |
| 823 |
$c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
| 824 |
} else { |
| 825 |
$c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; |
| 826 |
} |
| 827 |
|
| 828 |
$entities .= '&#'.$c.';'; |
| 829 |
} |
| 830 |
|
| 831 |
return $entities; |
| 832 |
} |
| 833 |
|
| 834 |
private static function title_case(array $s) |
| 835 |
{ |
| 836 |
return self::mb_convert_case($s[1], \MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], \MB_CASE_LOWER, 'UTF-8'); |
| 837 |
} |
| 838 |
|
| 839 |
private static function getData($file) |
| 840 |
{ |
| 841 |
if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { |
| 842 |
return require $file; |
| 843 |
} |
| 844 |
|
| 845 |
return false; |
| 846 |
} |
| 847 |
|
| 848 |
private static function getEncoding($encoding) |
| 849 |
{ |
| 850 |
if (null === $encoding) { |
| 851 |
return self::$internalEncoding; |
| 852 |
} |
| 853 |
|
| 854 |
if ('UTF-8' === $encoding) { |
| 855 |
return 'UTF-8'; |
| 856 |
} |
| 857 |
|
| 858 |
$encoding = strtoupper($encoding); |
| 859 |
|
| 860 |
if ('8BIT' === $encoding || 'BINARY' === $encoding) { |
| 861 |
return 'CP850'; |
| 862 |
} |
| 863 |
|
| 864 |
if ('UTF8' === $encoding) { |
| 865 |
return 'UTF-8'; |
| 866 |
} |
| 867 |
|
| 868 |
return $encoding; |
| 869 |
} |
| 870 |
} |
| 871 |
|
