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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_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 <[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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public const MB_CASE_FOLD = \PHP_INT_MAX; |
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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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private static $encodingList = ['ASCII', 'UTF-8']; |
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private static $language = 'neutral'; |
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private static $internalEncoding = 'UTF-8'; |
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public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null) |
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{ |
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if (\is_array($fromEncoding) || ($fromEncoding !== null && false !== strpos($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]+/', [__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, $fromEncoding, &...$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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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, $indent = null) |
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{ |
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trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', \E_USER_WARNING); |
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} |
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public static function mb_decode_numericentity($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($s).' given', \E_USER_WARNING); |
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return null; |
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} |
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if (!\is_array($convmap) || (80000 > \PHP_VERSION_ID && !$convmap)) { |
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return false; |
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} |
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if (null !== $encoding && !is_scalar($encoding)) { |
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trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', \E_USER_WARNING); |
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return ''; // Instead of null (cf. mb_encode_numericentity). |
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} |
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$s = (string) $s; |
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if ('' === $s) { |
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return ''; |
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} |
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$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', $s); |
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} |
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$cnt = floor(\count($convmap) / 4) * 4; |
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for ($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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$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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return $m[0]; |
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}, $s); |
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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', $s); |
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} |
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public static function mb_encode_numericentity($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($s).' given', \E_USER_WARNING); |
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return null; |
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} |
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if (!\is_array($convmap) || (80000 > \PHP_VERSION_ID && !$convmap)) { |
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return false; |
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} |
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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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return null; // Instead of '' (cf. mb_decode_numericentity). |
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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($s).' given', \E_USER_WARNING); |
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return null; |
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} |
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$s = (string) $s; |
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if ('' === $s) { |
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return ''; |
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} |
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$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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static $ulenMask = ["\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4]; |
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$cnt = floor(\count($convmap) / 4) * 4; |
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$i = 0; |
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$len = \strlen($s); |
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$result = ''; |
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while ($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($uchr); |
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for ($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.';'; |
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continue 2; |
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} |
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} |
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$result .= $uchr; |
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} |
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if (null === $encoding) { |
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return $result; |
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} |
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return \iconv('UTF-8', $encoding.'//IGNORE', $result); |
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} |
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public static function mb_convert_case($s, $mode, $encoding = null) |
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{ |
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$s = (string) $s; |
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if ('' === $s) { |
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return ''; |
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} |
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$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) { |
|
290
|
|
|
static $titleRegexp = null; |
|
291
|
|
|
if (null === $titleRegexp) { |
|
292
|
|
|
$titleRegexp = self::getData('titleCaseRegexp'); |
|
293
|
|
|
} |
|
294
|
|
|
$s = preg_replace_callback($titleRegexp, [__CLASS__, 'title_case'], $s); |
|
295
|
|
|
} else { |
|
296
|
|
|
if (\MB_CASE_UPPER == $mode) { |
|
297
|
|
|
static $upper = null; |
|
298
|
|
|
if (null === $upper) { |
|
299
|
|
|
$upper = self::getData('upperCase'); |
|
300
|
|
|
} |
|
301
|
|
|
$map = $upper; |
|
302
|
|
|
} else { |
|
303
|
|
|
if (self::MB_CASE_FOLD === $mode) { |
|
304
|
|
|
$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
|
|
|
|
|
314
|
|
|
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
|
|
|
if (\is_int($c) || 'long' === $c || 'entity' === $c) { |
|
606
|
|
|
return false; |
|
607
|
|
|
} |
|
608
|
|
|
|
|
609
|
|
|
throw new \ValueError('Argument #1 ($substitute_character) must be "none", "long", "entity" or a valid codepoint'); |
|
610
|
|
|
} |
|
611
|
|
|
|
|
612
|
|
|
public static function mb_substr($s, $start, $length = null, $encoding = null) |
|
613
|
|
|
{ |
|
614
|
|
|
$encoding = self::getEncoding($encoding); |
|
615
|
|
|
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
|
616
|
|
|
return (string) substr($s, $start, null === $length ? 2147483647 : $length); |
|
617
|
|
|
} |
|
618
|
|
|
|
|
619
|
|
|
if ($start < 0) { |
|
620
|
|
|
$start = \iconv_strlen($s, $encoding) + $start; |
|
621
|
|
|
if ($start < 0) { |
|
622
|
|
|
$start = 0; |
|
623
|
|
|
} |
|
624
|
|
|
} |
|
625
|
|
|
|
|
626
|
|
|
if (null === $length) { |
|
627
|
|
|
$length = 2147483647; |
|
628
|
|
|
} elseif ($length < 0) { |
|
629
|
|
|
$length = \iconv_strlen($s, $encoding) + $length - $start; |
|
630
|
|
|
if ($length < 0) { |
|
631
|
|
|
return ''; |
|
632
|
|
|
} |
|
633
|
|
|
} |
|
634
|
|
|
|
|
635
|
|
|
return (string) \iconv_substr($s, $start, $length, $encoding); |
|
636
|
|
|
} |
|
637
|
|
|
|
|
638
|
|
|
public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) |
|
639
|
|
|
{ |
|
640
|
|
|
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
|
641
|
|
|
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
|
642
|
|
|
|
|
643
|
|
|
return self::mb_strpos($haystack, $needle, $offset, $encoding); |
|
644
|
|
|
} |
|
645
|
|
|
|
|
646
|
|
|
public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) |
|
647
|
|
|
{ |
|
648
|
|
|
$pos = self::mb_stripos($haystack, $needle, 0, $encoding); |
|
649
|
|
|
|
|
650
|
|
|
return self::getSubpart($pos, $part, $haystack, $encoding); |
|
651
|
|
|
} |
|
652
|
|
|
|
|
653
|
|
|
public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) |
|
654
|
|
|
{ |
|
655
|
|
|
$encoding = self::getEncoding($encoding); |
|
656
|
|
|
if ('CP850' === $encoding || 'ASCII' === $encoding) { |
|
657
|
|
|
$pos = strrpos($haystack, $needle); |
|
658
|
|
|
} else { |
|
659
|
|
|
$needle = self::mb_substr($needle, 0, 1, $encoding); |
|
660
|
|
|
$pos = \iconv_strrpos($haystack, $needle, $encoding); |
|
661
|
|
|
} |
|
662
|
|
|
|
|
663
|
|
|
return self::getSubpart($pos, $part, $haystack, $encoding); |
|
664
|
|
|
} |
|
665
|
|
|
|
|
666
|
|
|
public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) |
|
667
|
|
|
{ |
|
668
|
|
|
$needle = self::mb_substr($needle, 0, 1, $encoding); |
|
669
|
|
|
$pos = self::mb_strripos($haystack, $needle, $encoding); |
|
670
|
|
|
|
|
671
|
|
|
return self::getSubpart($pos, $part, $haystack, $encoding); |
|
672
|
|
|
} |
|
673
|
|
|
|
|
674
|
|
|
public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) |
|
675
|
|
|
{ |
|
676
|
|
|
$haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
|
677
|
|
|
$needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
|
678
|
|
|
|
|
679
|
|
|
return self::mb_strrpos($haystack, $needle, $offset, $encoding); |
|
680
|
|
|
} |
|
681
|
|
|
|
|
682
|
|
|
public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) |
|
|
|
|
|
|
683
|
|
|
{ |
|
684
|
|
|
$pos = strpos($haystack, $needle); |
|
685
|
|
|
if (false === $pos) { |
|
686
|
|
|
return false; |
|
687
|
|
|
} |
|
688
|
|
|
if ($part) { |
|
689
|
|
|
return substr($haystack, 0, $pos); |
|
690
|
|
|
} |
|
691
|
|
|
|
|
692
|
|
|
return substr($haystack, $pos); |
|
693
|
|
|
} |
|
694
|
|
|
|
|
695
|
|
|
public static function mb_get_info($type = 'all') |
|
696
|
|
|
{ |
|
697
|
|
|
$info = [ |
|
698
|
|
|
'internal_encoding' => self::$internalEncoding, |
|
699
|
|
|
'http_output' => 'pass', |
|
700
|
|
|
'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', |
|
701
|
|
|
'func_overload' => 0, |
|
702
|
|
|
'func_overload_list' => 'no overload', |
|
703
|
|
|
'mail_charset' => 'UTF-8', |
|
704
|
|
|
'mail_header_encoding' => 'BASE64', |
|
705
|
|
|
'mail_body_encoding' => 'BASE64', |
|
706
|
|
|
'illegal_chars' => 0, |
|
707
|
|
|
'encoding_translation' => 'Off', |
|
708
|
|
|
'language' => self::$language, |
|
709
|
|
|
'detect_order' => self::$encodingList, |
|
710
|
|
|
'substitute_character' => 'none', |
|
711
|
|
|
'strict_detection' => 'Off', |
|
712
|
|
|
]; |
|
713
|
|
|
|
|
714
|
|
|
if ('all' === $type) { |
|
715
|
|
|
return $info; |
|
716
|
|
|
} |
|
717
|
|
|
if (isset($info[$type])) { |
|
718
|
|
|
return $info[$type]; |
|
719
|
|
|
} |
|
720
|
|
|
|
|
721
|
|
|
return false; |
|
722
|
|
|
} |
|
723
|
|
|
|
|
724
|
|
|
public static function mb_http_input($type = '') |
|
|
|
|
|
|
725
|
|
|
{ |
|
726
|
|
|
return false; |
|
727
|
|
|
} |
|
728
|
|
|
|
|
729
|
|
|
public static function mb_http_output($encoding = null) |
|
730
|
|
|
{ |
|
731
|
|
|
return null !== $encoding ? 'pass' === $encoding : 'pass'; |
|
732
|
|
|
} |
|
733
|
|
|
|
|
734
|
|
|
public static function mb_strwidth($s, $encoding = null) |
|
735
|
|
|
{ |
|
736
|
|
|
$encoding = self::getEncoding($encoding); |
|
737
|
|
|
|
|
738
|
|
|
if ('UTF-8' !== $encoding) { |
|
739
|
|
|
$s = \iconv($encoding, 'UTF-8//IGNORE', $s); |
|
740
|
|
|
} |
|
741
|
|
|
|
|
742
|
|
|
$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, $wide); |
|
743
|
|
|
|
|
744
|
|
|
return ($wide << 1) + \iconv_strlen($s, 'UTF-8'); |
|
745
|
|
|
} |
|
746
|
|
|
|
|
747
|
|
|
public static function mb_substr_count($haystack, $needle, $encoding = null) |
|
|
|
|
|
|
748
|
|
|
{ |
|
749
|
|
|
return substr_count($haystack, $needle); |
|
750
|
|
|
} |
|
751
|
|
|
|
|
752
|
|
|
public static function mb_output_handler($contents, $status) |
|
|
|
|
|
|
753
|
|
|
{ |
|
754
|
|
|
return $contents; |
|
755
|
|
|
} |
|
756
|
|
|
|
|
757
|
|
|
public static function mb_chr($code, $encoding = null) |
|
758
|
|
|
{ |
|
759
|
|
|
if (0x80 > $code %= 0x200000) { |
|
760
|
|
|
$s = \chr($code); |
|
761
|
|
|
} elseif (0x800 > $code) { |
|
762
|
|
|
$s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); |
|
763
|
|
|
} elseif (0x10000 > $code) { |
|
764
|
|
|
$s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
|
765
|
|
|
} else { |
|
766
|
|
|
$s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
|
767
|
|
|
} |
|
768
|
|
|
|
|
769
|
|
|
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
|
770
|
|
|
$s = mb_convert_encoding($s, $encoding, 'UTF-8'); |
|
771
|
|
|
} |
|
772
|
|
|
|
|
773
|
|
|
return $s; |
|
774
|
|
|
} |
|
775
|
|
|
|
|
776
|
|
|
public static function mb_ord($s, $encoding = null) |
|
777
|
|
|
{ |
|
778
|
|
|
if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
|
779
|
|
|
$s = mb_convert_encoding($s, 'UTF-8', $encoding); |
|
780
|
|
|
} |
|
781
|
|
|
|
|
782
|
|
|
if (1 === \strlen($s)) { |
|
783
|
|
|
return \ord($s); |
|
784
|
|
|
} |
|
785
|
|
|
|
|
786
|
|
|
$code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; |
|
787
|
|
|
if (0xF0 <= $code) { |
|
788
|
|
|
return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; |
|
789
|
|
|
} |
|
790
|
|
|
if (0xE0 <= $code) { |
|
791
|
|
|
return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; |
|
792
|
|
|
} |
|
793
|
|
|
if (0xC0 <= $code) { |
|
794
|
|
|
return (($code - 0xC0) << 6) + $s[2] - 0x80; |
|
795
|
|
|
} |
|
796
|
|
|
|
|
797
|
|
|
return $code; |
|
798
|
|
|
} |
|
799
|
|
|
|
|
800
|
|
|
private static function getSubpart($pos, $part, $haystack, $encoding) |
|
801
|
|
|
{ |
|
802
|
|
|
if (false === $pos) { |
|
803
|
|
|
return false; |
|
804
|
|
|
} |
|
805
|
|
|
if ($part) { |
|
806
|
|
|
return self::mb_substr($haystack, 0, $pos, $encoding); |
|
807
|
|
|
} |
|
808
|
|
|
|
|
809
|
|
|
return self::mb_substr($haystack, $pos, null, $encoding); |
|
810
|
|
|
} |
|
811
|
|
|
|
|
812
|
|
|
private static function html_encoding_callback(array $m) |
|
813
|
|
|
{ |
|
814
|
|
|
$i = 1; |
|
815
|
|
|
$entities = ''; |
|
816
|
|
|
$m = unpack('C*', htmlentities($m[0], \ENT_COMPAT, 'UTF-8')); |
|
817
|
|
|
|
|
818
|
|
|
while (isset($m[$i])) { |
|
819
|
|
|
if (0x80 > $m[$i]) { |
|
820
|
|
|
$entities .= \chr($m[$i++]); |
|
821
|
|
|
continue; |
|
822
|
|
|
} |
|
823
|
|
|
if (0xF0 <= $m[$i]) { |
|
824
|
|
|
$c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
|
825
|
|
|
} elseif (0xE0 <= $m[$i]) { |
|
826
|
|
|
$c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
|
827
|
|
|
} else { |
|
828
|
|
|
$c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; |
|
829
|
|
|
} |
|
830
|
|
|
|
|
831
|
|
|
$entities .= '&#'.$c.';'; |
|
832
|
|
|
} |
|
833
|
|
|
|
|
834
|
|
|
return $entities; |
|
835
|
|
|
} |
|
836
|
|
|
|
|
837
|
|
|
private static function title_case(array $s) |
|
838
|
|
|
{ |
|
839
|
|
|
return self::mb_convert_case($s[1], \MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], \MB_CASE_LOWER, 'UTF-8'); |
|
|
|
|
|
|
840
|
|
|
} |
|
841
|
|
|
|
|
842
|
|
|
private static function getData($file) |
|
843
|
|
|
{ |
|
844
|
|
|
if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { |
|
845
|
|
|
return require $file; |
|
846
|
|
|
} |
|
847
|
|
|
|
|
848
|
|
|
return false; |
|
849
|
|
|
} |
|
850
|
|
|
|
|
851
|
|
|
private static function getEncoding($encoding) |
|
852
|
|
|
{ |
|
853
|
|
|
if (null === $encoding) { |
|
854
|
|
|
return self::$internalEncoding; |
|
855
|
|
|
} |
|
856
|
|
|
|
|
857
|
|
|
if ('UTF-8' === $encoding) { |
|
858
|
|
|
return 'UTF-8'; |
|
859
|
|
|
} |
|
860
|
|
|
|
|
861
|
|
|
$encoding = strtoupper($encoding); |
|
862
|
|
|
|
|
863
|
|
|
if ('8BIT' === $encoding || 'BINARY' === $encoding) { |
|
864
|
|
|
return 'CP850'; |
|
865
|
|
|
} |
|
866
|
|
|
|
|
867
|
|
|
if ('UTF8' === $encoding) { |
|
868
|
|
|
return 'UTF-8'; |
|
869
|
|
|
} |
|
870
|
|
|
|
|
871
|
|
|
return $encoding; |
|
872
|
|
|
} |
|
873
|
|
|
} |
|
874
|
|
|
|
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