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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 597 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * This file is part of the Symfony package. |
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| 5 | * |
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| 6 | * (c) Fabien Potencier <fabien@symfony.com> |
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| 7 | * |
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| 8 | * For the full copyright and license information, please view the LICENSE |
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| 9 | * file that was distributed with this source code. |
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| 10 | */ |
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| 11 | |||
| 12 | namespace Symfony\Polyfill\Mbstring; |
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| 13 | |||
| 14 | /** |
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| 15 | * Partial mbstring implementation in PHP, iconv based, UTF-8 centric. |
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| 16 | * |
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| 17 | * Implemented: |
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| 18 | * - mb_chr - Returns a specific character from its Unicode code point |
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| 19 | * - mb_convert_encoding - Convert character encoding |
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| 20 | * - mb_convert_variables - Convert character code in variable(s) |
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| 21 | * - mb_decode_mimeheader - Decode string in MIME header field |
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| 22 | * - mb_encode_mimeheader - Encode string for MIME header XXX NATIVE IMPLEMENTATION IS REALLY BUGGED |
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| 23 | * - mb_decode_numericentity - Decode HTML numeric string reference to character |
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| 24 | * - mb_encode_numericentity - Encode character to HTML numeric string reference |
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| 25 | * - mb_convert_case - Perform case folding on a string |
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| 26 | * - mb_detect_encoding - Detect character encoding |
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| 27 | * - mb_get_info - Get internal settings of mbstring |
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| 28 | * - mb_http_input - Detect HTTP input character encoding |
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| 29 | * - mb_http_output - Set/Get HTTP output character encoding |
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| 30 | * - mb_internal_encoding - Set/Get internal character encoding |
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| 31 | * - mb_list_encodings - Returns an array of all supported encodings |
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| 32 | * - mb_ord - Returns the Unicode code point of a character |
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| 33 | * - mb_output_handler - Callback function converts character encoding in output buffer |
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| 34 | * - mb_scrub - Replaces ill-formed byte sequences with substitute characters |
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| 35 | * - mb_strlen - Get string length |
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| 36 | * - mb_strpos - Find position of first occurrence of string in a string |
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| 37 | * - mb_strrpos - Find position of last occurrence of a string in a string |
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| 38 | * - mb_str_split - Convert a string to an array |
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| 39 | * - mb_strtolower - Make a string lowercase |
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| 40 | * - mb_strtoupper - Make a string uppercase |
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| 41 | * - mb_substitute_character - Set/Get substitution character |
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| 42 | * - mb_substr - Get part of string |
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| 43 | * - mb_stripos - Finds position of first occurrence of a string within another, case insensitive |
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| 44 | * - mb_stristr - Finds first occurrence of a string within another, case insensitive |
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| 45 | * - mb_strrchr - Finds the last occurrence of a character in a string within another |
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| 46 | * - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive |
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| 47 | * - mb_strripos - Finds position of last occurrence of a string within another, case insensitive |
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| 48 | * - mb_strstr - Finds first occurrence of a string within another |
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| 49 | * - mb_strwidth - Return width of string |
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| 50 | * - mb_substr_count - Count the number of substring occurrences |
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| 51 | * |
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| 52 | * Not implemented: |
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| 53 | * - mb_convert_kana - Convert "kana" one from another ("zen-kaku", "han-kaku" and more) |
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| 54 | * - mb_ereg_* - Regular expression with multibyte support |
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| 55 | * - mb_parse_str - Parse GET/POST/COOKIE data and set global variable |
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| 56 | * - mb_preferred_mime_name - Get MIME charset string |
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| 57 | * - mb_regex_encoding - Returns current encoding for multibyte regex as string |
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| 58 | * - mb_regex_set_options - Set/Get the default options for mbregex functions |
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| 59 | * - mb_send_mail - Send encoded mail |
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| 60 | * - mb_split - Split multibyte string using regular expression |
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| 61 | * - mb_strcut - Get part of string |
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| 62 | * - mb_strimwidth - Get truncated string with specified width |
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| 63 | * |
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| 64 | * @author Nicolas Grekas <p@tchwork.com> |
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| 65 | * |
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| 66 | * @internal |
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| 67 | */ |
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| 68 | final class Mbstring |
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| 69 | { |
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| 70 | const MB_CASE_FOLD = PHP_INT_MAX; |
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| 71 | |||
| 72 | private static $encodingList = array('ASCII', 'UTF-8'); |
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| 73 | private static $language = 'neutral'; |
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| 74 | private static $internalEncoding = 'UTF-8'; |
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| 75 | private static $caseFold = array( |
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| 76 | array('µ', 'ſ', "\xCD\x85", 'ς', "\xCF\x90", "\xCF\x91", "\xCF\x95", "\xCF\x96", "\xCF\xB0", "\xCF\xB1", "\xCF\xB5", "\xE1\xBA\x9B", "\xE1\xBE\xBE"), |
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| 77 | array('μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1", 'ι'), |
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| 78 | ); |
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| 79 | |||
| 80 | public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null) |
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| 81 | { |
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| 1045 | daniel-mar | 82 | if (\is_array($fromEncoding) || (null !== $fromEncoding && false !== strpos($fromEncoding, ','))) { |
| 597 | daniel-mar | 83 | $fromEncoding = self::mb_detect_encoding($s, $fromEncoding); |
| 84 | } else { |
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| 85 | $fromEncoding = self::getEncoding($fromEncoding); |
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| 86 | } |
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| 87 | |||
| 88 | $toEncoding = self::getEncoding($toEncoding); |
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| 89 | |||
| 90 | if ('BASE64' === $fromEncoding) { |
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| 91 | $s = base64_decode($s); |
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| 92 | $fromEncoding = $toEncoding; |
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| 93 | } |
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| 94 | |||
| 95 | if ('BASE64' === $toEncoding) { |
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| 96 | return base64_encode($s); |
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| 97 | } |
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| 98 | |||
| 99 | if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) { |
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| 100 | if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) { |
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| 101 | $fromEncoding = 'Windows-1252'; |
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| 102 | } |
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| 103 | if ('UTF-8' !== $fromEncoding) { |
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| 104 | $s = iconv($fromEncoding, 'UTF-8//IGNORE', $s); |
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| 105 | } |
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| 106 | |||
| 107 | return preg_replace_callback('/[\x80-\xFF]+/', array(__CLASS__, 'html_encoding_callback'), $s); |
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| 108 | } |
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| 109 | |||
| 110 | if ('HTML-ENTITIES' === $fromEncoding) { |
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| 111 | $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8'); |
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| 112 | $fromEncoding = 'UTF-8'; |
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| 113 | } |
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| 114 | |||
| 115 | return iconv($fromEncoding, $toEncoding.'//IGNORE', $s); |
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| 116 | } |
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| 117 | |||
| 118 | public static function mb_convert_variables($toEncoding, $fromEncoding, &$a = null, &$b = null, &$c = null, &$d = null, &$e = null, &$f = null) |
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| 119 | { |
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| 120 | $vars = array(&$a, &$b, &$c, &$d, &$e, &$f); |
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| 121 | |||
| 122 | $ok = true; |
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| 123 | array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) { |
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| 124 | if (false === $v = Mbstring::mb_convert_encoding($v, $toEncoding, $fromEncoding)) { |
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| 125 | $ok = false; |
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| 126 | } |
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| 127 | }); |
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| 128 | |||
| 129 | return $ok ? $fromEncoding : false; |
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| 130 | } |
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| 131 | |||
| 132 | public static function mb_decode_mimeheader($s) |
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| 133 | { |
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| 134 | return iconv_mime_decode($s, 2, self::$internalEncoding); |
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| 135 | } |
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| 136 | |||
| 137 | public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null) |
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| 138 | { |
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| 139 | trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', E_USER_WARNING); |
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| 140 | } |
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| 141 | |||
| 142 | public static function mb_decode_numericentity($s, $convmap, $encoding = null) |
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| 143 | { |
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| 144 | if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) { |
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| 145 | trigger_error('mb_decode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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| 146 | |||
| 147 | return null; |
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| 148 | } |
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| 149 | |||
| 150 | if (!\is_array($convmap) || !$convmap) { |
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| 151 | return false; |
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| 152 | } |
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| 153 | |||
| 154 | if (null !== $encoding && !\is_scalar($encoding)) { |
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| 155 | trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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| 156 | |||
| 157 | return ''; // Instead of null (cf. mb_encode_numericentity). |
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| 158 | } |
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| 159 | |||
| 160 | $s = (string) $s; |
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| 161 | if ('' === $s) { |
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| 162 | return ''; |
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| 163 | } |
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| 164 | |||
| 165 | $encoding = self::getEncoding($encoding); |
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| 166 | |||
| 167 | if ('UTF-8' === $encoding) { |
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| 168 | $encoding = null; |
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| 169 | if (!preg_match('//u', $s)) { |
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| 170 | $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); |
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| 171 | } |
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| 172 | } else { |
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| 173 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); |
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| 174 | } |
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| 175 | |||
| 176 | $cnt = floor(\count($convmap) / 4) * 4; |
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| 177 | |||
| 178 | for ($i = 0; $i < $cnt; $i += 4) { |
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| 179 | // collector_decode_htmlnumericentity ignores $convmap[$i + 3] |
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| 180 | $convmap[$i] += $convmap[$i + 2]; |
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| 181 | $convmap[$i + 1] += $convmap[$i + 2]; |
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| 182 | } |
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| 183 | |||
| 184 | $s = preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))(?!&);?/', function (array $m) use ($cnt, $convmap) { |
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| 185 | $c = isset($m[2]) ? (int) hexdec($m[2]) : $m[1]; |
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| 186 | for ($i = 0; $i < $cnt; $i += 4) { |
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| 187 | if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) { |
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| 188 | return Mbstring::mb_chr($c - $convmap[$i + 2]); |
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| 189 | } |
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| 190 | } |
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| 191 | |||
| 192 | return $m[0]; |
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| 193 | }, $s); |
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| 194 | |||
| 195 | if (null === $encoding) { |
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| 196 | return $s; |
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| 197 | } |
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| 198 | |||
| 199 | return iconv('UTF-8', $encoding.'//IGNORE', $s); |
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| 200 | } |
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| 201 | |||
| 202 | public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = false) |
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| 203 | { |
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| 204 | if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) { |
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| 205 | trigger_error('mb_encode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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| 206 | |||
| 207 | return null; |
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| 208 | } |
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| 209 | |||
| 210 | if (!\is_array($convmap) || !$convmap) { |
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| 211 | return false; |
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| 212 | } |
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| 213 | |||
| 214 | if (null !== $encoding && !\is_scalar($encoding)) { |
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| 215 | trigger_error('mb_encode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING); |
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| 216 | |||
| 217 | return null; // Instead of '' (cf. mb_decode_numericentity). |
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| 218 | } |
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| 219 | |||
| 220 | if (null !== $is_hex && !\is_scalar($is_hex)) { |
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| 221 | trigger_error('mb_encode_numericentity() expects parameter 4 to be boolean, '.\gettype($s).' given', E_USER_WARNING); |
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| 222 | |||
| 223 | return null; |
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| 224 | } |
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| 225 | |||
| 226 | $s = (string) $s; |
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| 227 | if ('' === $s) { |
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| 228 | return ''; |
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| 229 | } |
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| 230 | |||
| 231 | $encoding = self::getEncoding($encoding); |
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| 232 | |||
| 233 | if ('UTF-8' === $encoding) { |
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| 234 | $encoding = null; |
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| 235 | if (!preg_match('//u', $s)) { |
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| 236 | $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); |
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| 237 | } |
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| 238 | } else { |
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| 239 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); |
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| 240 | } |
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| 241 | |||
| 242 | static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); |
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| 243 | |||
| 244 | $cnt = floor(\count($convmap) / 4) * 4; |
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| 245 | $i = 0; |
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| 246 | $len = \strlen($s); |
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| 247 | $result = ''; |
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| 248 | |||
| 249 | while ($i < $len) { |
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| 250 | $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; |
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| 251 | $uchr = substr($s, $i, $ulen); |
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| 252 | $i += $ulen; |
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| 253 | $c = self::mb_ord($uchr); |
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| 254 | |||
| 255 | for ($j = 0; $j < $cnt; $j += 4) { |
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| 256 | if ($c >= $convmap[$j] && $c <= $convmap[$j + 1]) { |
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| 257 | $cOffset = ($c + $convmap[$j + 2]) & $convmap[$j + 3]; |
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| 258 | $result .= $is_hex ? sprintf('&#x%X;', $cOffset) : '&#'.$cOffset.';'; |
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| 259 | continue 2; |
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| 260 | } |
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| 261 | } |
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| 262 | $result .= $uchr; |
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| 263 | } |
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| 264 | |||
| 265 | if (null === $encoding) { |
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| 266 | return $result; |
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| 267 | } |
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| 268 | |||
| 269 | return iconv('UTF-8', $encoding.'//IGNORE', $result); |
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| 270 | } |
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| 271 | |||
| 272 | public static function mb_convert_case($s, $mode, $encoding = null) |
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| 273 | { |
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| 274 | $s = (string) $s; |
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| 275 | if ('' === $s) { |
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| 276 | return ''; |
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| 277 | } |
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| 278 | |||
| 279 | $encoding = self::getEncoding($encoding); |
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| 280 | |||
| 281 | if ('UTF-8' === $encoding) { |
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| 282 | $encoding = null; |
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| 283 | if (!preg_match('//u', $s)) { |
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| 284 | $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); |
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| 285 | } |
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| 286 | } else { |
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| 287 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); |
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| 288 | } |
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| 289 | |||
| 290 | if (MB_CASE_TITLE == $mode) { |
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| 291 | static $titleRegexp = null; |
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| 292 | if (null === $titleRegexp) { |
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| 293 | $titleRegexp = self::getData('titleCaseRegexp'); |
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| 294 | } |
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| 295 | $s = preg_replace_callback($titleRegexp, array(__CLASS__, 'title_case'), $s); |
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| 296 | } else { |
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| 297 | if (MB_CASE_UPPER == $mode) { |
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| 298 | static $upper = null; |
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| 299 | if (null === $upper) { |
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| 300 | $upper = self::getData('upperCase'); |
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| 301 | } |
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| 302 | $map = $upper; |
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| 303 | } else { |
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| 304 | if (self::MB_CASE_FOLD === $mode) { |
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| 305 | $s = str_replace(self::$caseFold[0], self::$caseFold[1], $s); |
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| 306 | } |
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| 307 | |||
| 308 | static $lower = null; |
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| 309 | if (null === $lower) { |
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| 310 | $lower = self::getData('lowerCase'); |
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| 311 | } |
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| 312 | $map = $lower; |
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| 313 | } |
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| 314 | |||
| 315 | static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); |
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| 316 | |||
| 317 | $i = 0; |
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| 318 | $len = \strlen($s); |
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| 319 | |||
| 320 | while ($i < $len) { |
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| 321 | $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; |
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| 322 | $uchr = substr($s, $i, $ulen); |
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| 323 | $i += $ulen; |
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| 324 | |||
| 325 | if (isset($map[$uchr])) { |
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| 326 | $uchr = $map[$uchr]; |
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| 327 | $nlen = \strlen($uchr); |
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| 328 | |||
| 329 | if ($nlen == $ulen) { |
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| 330 | $nlen = $i; |
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| 331 | do { |
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| 332 | $s[--$nlen] = $uchr[--$ulen]; |
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| 333 | } while ($ulen); |
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| 334 | } else { |
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| 335 | $s = substr_replace($s, $uchr, $i - $ulen, $ulen); |
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| 336 | $len += $nlen - $ulen; |
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| 337 | $i += $nlen - $ulen; |
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| 338 | } |
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| 339 | } |
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| 340 | } |
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| 341 | } |
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| 342 | |||
| 343 | if (null === $encoding) { |
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| 344 | return $s; |
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| 345 | } |
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| 346 | |||
| 347 | return iconv('UTF-8', $encoding.'//IGNORE', $s); |
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| 348 | } |
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| 349 | |||
| 350 | public static function mb_internal_encoding($encoding = null) |
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| 351 | { |
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| 352 | if (null === $encoding) { |
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| 353 | return self::$internalEncoding; |
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| 354 | } |
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| 355 | |||
| 356 | $encoding = self::getEncoding($encoding); |
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| 357 | |||
| 358 | if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) { |
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| 359 | self::$internalEncoding = $encoding; |
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| 360 | |||
| 361 | return true; |
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| 362 | } |
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| 363 | |||
| 364 | return false; |
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| 365 | } |
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| 366 | |||
| 367 | public static function mb_language($lang = null) |
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| 368 | { |
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| 369 | if (null === $lang) { |
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| 370 | return self::$language; |
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| 371 | } |
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| 372 | |||
| 373 | switch ($lang = strtolower($lang)) { |
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| 374 | case 'uni': |
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| 375 | case 'neutral': |
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| 376 | self::$language = $lang; |
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| 377 | |||
| 378 | return true; |
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| 379 | } |
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| 380 | |||
| 381 | return false; |
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| 382 | } |
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| 383 | |||
| 384 | public static function mb_list_encodings() |
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| 385 | { |
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| 386 | return array('UTF-8'); |
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| 387 | } |
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| 388 | |||
| 389 | public static function mb_encoding_aliases($encoding) |
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| 390 | { |
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| 391 | switch (strtoupper($encoding)) { |
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| 392 | case 'UTF8': |
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| 393 | case 'UTF-8': |
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| 394 | return array('utf8'); |
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| 395 | } |
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| 396 | |||
| 397 | return false; |
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| 398 | } |
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| 399 | |||
| 400 | public static function mb_check_encoding($var = null, $encoding = null) |
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| 401 | { |
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| 402 | if (null === $encoding) { |
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| 403 | if (null === $var) { |
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| 404 | return false; |
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| 405 | } |
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| 406 | $encoding = self::$internalEncoding; |
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| 407 | } |
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| 408 | |||
| 409 | return self::mb_detect_encoding($var, array($encoding)) || false !== @iconv($encoding, $encoding, $var); |
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| 410 | } |
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| 411 | |||
| 412 | public static function mb_detect_encoding($str, $encodingList = null, $strict = false) |
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| 413 | { |
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| 414 | if (null === $encodingList) { |
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| 415 | $encodingList = self::$encodingList; |
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| 416 | } else { |
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| 417 | if (!\is_array($encodingList)) { |
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| 418 | $encodingList = array_map('trim', explode(',', $encodingList)); |
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| 419 | } |
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| 420 | $encodingList = array_map('strtoupper', $encodingList); |
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| 421 | } |
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| 422 | |||
| 423 | foreach ($encodingList as $enc) { |
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| 424 | switch ($enc) { |
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| 425 | case 'ASCII': |
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| 426 | if (!preg_match('/[\x80-\xFF]/', $str)) { |
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| 427 | return $enc; |
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| 428 | } |
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| 429 | break; |
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| 430 | |||
| 431 | case 'UTF8': |
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| 432 | case 'UTF-8': |
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| 433 | if (preg_match('//u', $str)) { |
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| 434 | return 'UTF-8'; |
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| 435 | } |
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| 436 | break; |
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| 437 | |||
| 438 | default: |
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| 439 | if (0 === strncmp($enc, 'ISO-8859-', 9)) { |
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| 440 | return $enc; |
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| 441 | } |
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| 442 | } |
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| 443 | } |
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| 444 | |||
| 445 | return false; |
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| 446 | } |
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| 447 | |||
| 448 | public static function mb_detect_order($encodingList = null) |
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| 449 | { |
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| 450 | if (null === $encodingList) { |
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| 451 | return self::$encodingList; |
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| 452 | } |
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| 453 | |||
| 454 | if (!\is_array($encodingList)) { |
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| 455 | $encodingList = array_map('trim', explode(',', $encodingList)); |
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| 456 | } |
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| 457 | $encodingList = array_map('strtoupper', $encodingList); |
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| 458 | |||
| 459 | foreach ($encodingList as $enc) { |
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| 460 | switch ($enc) { |
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| 461 | default: |
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| 462 | if (strncmp($enc, 'ISO-8859-', 9)) { |
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| 463 | return false; |
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| 464 | } |
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| 465 | // no break |
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| 466 | case 'ASCII': |
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| 467 | case 'UTF8': |
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| 468 | case 'UTF-8': |
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| 469 | } |
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| 470 | } |
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| 471 | |||
| 472 | self::$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 | $pos = strrpos($haystack, $needle); |
||
| 633 | } else { |
||
| 634 | $needle = self::mb_substr($needle, 0, 1, $encoding); |
||
| 635 | $pos = iconv_strrpos($haystack, $needle, $encoding); |
||
| 636 | } |
||
| 637 | |||
| 638 | return self::getSubpart($pos, $part, $haystack, $encoding); |
||
| 639 | } |
||
| 640 | |||
| 641 | public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) |
||
| 642 | { |
||
| 643 | $needle = self::mb_substr($needle, 0, 1, $encoding); |
||
| 644 | $pos = self::mb_strripos($haystack, $needle, $encoding); |
||
| 645 | |||
| 646 | return self::getSubpart($pos, $part, $haystack, $encoding); |
||
| 647 | } |
||
| 648 | |||
| 649 | public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) |
||
| 650 | { |
||
| 651 | $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); |
||
| 652 | $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); |
||
| 653 | |||
| 654 | return self::mb_strrpos($haystack, $needle, $offset, $encoding); |
||
| 655 | } |
||
| 656 | |||
| 657 | public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) |
||
| 658 | { |
||
| 659 | $pos = strpos($haystack, $needle); |
||
| 660 | if (false === $pos) { |
||
| 661 | return false; |
||
| 662 | } |
||
| 663 | if ($part) { |
||
| 664 | return substr($haystack, 0, $pos); |
||
| 665 | } |
||
| 666 | |||
| 667 | return substr($haystack, $pos); |
||
| 668 | } |
||
| 669 | |||
| 670 | public static function mb_get_info($type = 'all') |
||
| 671 | { |
||
| 672 | $info = array( |
||
| 673 | 'internal_encoding' => self::$internalEncoding, |
||
| 674 | 'http_output' => 'pass', |
||
| 675 | 'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', |
||
| 676 | 'func_overload' => 0, |
||
| 677 | 'func_overload_list' => 'no overload', |
||
| 678 | 'mail_charset' => 'UTF-8', |
||
| 679 | 'mail_header_encoding' => 'BASE64', |
||
| 680 | 'mail_body_encoding' => 'BASE64', |
||
| 681 | 'illegal_chars' => 0, |
||
| 682 | 'encoding_translation' => 'Off', |
||
| 683 | 'language' => self::$language, |
||
| 684 | 'detect_order' => self::$encodingList, |
||
| 685 | 'substitute_character' => 'none', |
||
| 686 | 'strict_detection' => 'Off', |
||
| 687 | ); |
||
| 688 | |||
| 689 | if ('all' === $type) { |
||
| 690 | return $info; |
||
| 691 | } |
||
| 692 | if (isset($info[$type])) { |
||
| 693 | return $info[$type]; |
||
| 694 | } |
||
| 695 | |||
| 696 | return false; |
||
| 697 | } |
||
| 698 | |||
| 699 | public static function mb_http_input($type = '') |
||
| 700 | { |
||
| 701 | return false; |
||
| 702 | } |
||
| 703 | |||
| 704 | public static function mb_http_output($encoding = null) |
||
| 705 | { |
||
| 706 | return null !== $encoding ? 'pass' === $encoding : 'pass'; |
||
| 707 | } |
||
| 708 | |||
| 709 | public static function mb_strwidth($s, $encoding = null) |
||
| 710 | { |
||
| 711 | $encoding = self::getEncoding($encoding); |
||
| 712 | |||
| 713 | if ('UTF-8' !== $encoding) { |
||
| 714 | $s = iconv($encoding, 'UTF-8//IGNORE', $s); |
||
| 715 | } |
||
| 716 | |||
| 717 | $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, $wide); |
||
| 718 | |||
| 719 | return ($wide << 1) + iconv_strlen($s, 'UTF-8'); |
||
| 720 | } |
||
| 721 | |||
| 722 | public static function mb_substr_count($haystack, $needle, $encoding = null) |
||
| 723 | { |
||
| 724 | return substr_count($haystack, $needle); |
||
| 725 | } |
||
| 726 | |||
| 727 | public static function mb_output_handler($contents, $status) |
||
| 728 | { |
||
| 729 | return $contents; |
||
| 730 | } |
||
| 731 | |||
| 732 | public static function mb_chr($code, $encoding = null) |
||
| 733 | { |
||
| 734 | if (0x80 > $code %= 0x200000) { |
||
| 735 | $s = \chr($code); |
||
| 736 | } elseif (0x800 > $code) { |
||
| 737 | $s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F); |
||
| 738 | } elseif (0x10000 > $code) { |
||
| 739 | $s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
||
| 740 | } else { |
||
| 741 | $s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F); |
||
| 742 | } |
||
| 743 | |||
| 744 | if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
||
| 745 | $s = mb_convert_encoding($s, $encoding, 'UTF-8'); |
||
| 746 | } |
||
| 747 | |||
| 748 | return $s; |
||
| 749 | } |
||
| 750 | |||
| 751 | public static function mb_ord($s, $encoding = null) |
||
| 752 | { |
||
| 753 | if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { |
||
| 754 | $s = mb_convert_encoding($s, 'UTF-8', $encoding); |
||
| 755 | } |
||
| 756 | |||
| 757 | if (1 === \strlen($s)) { |
||
| 758 | return \ord($s); |
||
| 759 | } |
||
| 760 | |||
| 761 | $code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; |
||
| 762 | if (0xF0 <= $code) { |
||
| 763 | return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; |
||
| 764 | } |
||
| 765 | if (0xE0 <= $code) { |
||
| 766 | return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; |
||
| 767 | } |
||
| 768 | if (0xC0 <= $code) { |
||
| 769 | return (($code - 0xC0) << 6) + $s[2] - 0x80; |
||
| 770 | } |
||
| 771 | |||
| 772 | return $code; |
||
| 773 | } |
||
| 774 | |||
| 775 | private static function getSubpart($pos, $part, $haystack, $encoding) |
||
| 776 | { |
||
| 777 | if (false === $pos) { |
||
| 778 | return false; |
||
| 779 | } |
||
| 780 | if ($part) { |
||
| 781 | return self::mb_substr($haystack, 0, $pos, $encoding); |
||
| 782 | } |
||
| 783 | |||
| 784 | return self::mb_substr($haystack, $pos, null, $encoding); |
||
| 785 | } |
||
| 786 | |||
| 787 | private static function html_encoding_callback(array $m) |
||
| 788 | { |
||
| 789 | $i = 1; |
||
| 790 | $entities = ''; |
||
| 791 | $m = unpack('C*', htmlentities($m[0], ENT_COMPAT, 'UTF-8')); |
||
| 792 | |||
| 793 | while (isset($m[$i])) { |
||
| 794 | if (0x80 > $m[$i]) { |
||
| 795 | $entities .= \chr($m[$i++]); |
||
| 796 | continue; |
||
| 797 | } |
||
| 798 | if (0xF0 <= $m[$i]) { |
||
| 799 | $c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
||
| 800 | } elseif (0xE0 <= $m[$i]) { |
||
| 801 | $c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; |
||
| 802 | } else { |
||
| 803 | $c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; |
||
| 804 | } |
||
| 805 | |||
| 806 | $entities .= '&#'.$c.';'; |
||
| 807 | } |
||
| 808 | |||
| 809 | return $entities; |
||
| 810 | } |
||
| 811 | |||
| 812 | private static function title_case(array $s) |
||
| 813 | { |
||
| 814 | return self::mb_convert_case($s[1], MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], MB_CASE_LOWER, 'UTF-8'); |
||
| 815 | } |
||
| 816 | |||
| 817 | private static function getData($file) |
||
| 818 | { |
||
| 819 | if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { |
||
| 820 | return require $file; |
||
| 821 | } |
||
| 822 | |||
| 823 | return false; |
||
| 824 | } |
||
| 825 | |||
| 826 | private static function getEncoding($encoding) |
||
| 827 | { |
||
| 828 | if (null === $encoding) { |
||
| 829 | return self::$internalEncoding; |
||
| 830 | } |
||
| 831 | |||
| 832 | if ('UTF-8' === $encoding) { |
||
| 833 | return 'UTF-8'; |
||
| 834 | } |
||
| 835 | |||
| 836 | $encoding = strtoupper($encoding); |
||
| 837 | |||
| 838 | if ('8BIT' === $encoding || 'BINARY' === $encoding) { |
||
| 839 | return 'CP850'; |
||
| 840 | } |
||
| 841 | |||
| 842 | if ('UTF8' === $encoding) { |
||
| 843 | return 'UTF-8'; |
||
| 844 | } |
||
| 845 | |||
| 846 | return $encoding; |
||
| 847 | } |
||
| 848 | } |