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1 <?php
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2
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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
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12 namespace Symfony\Polyfill\Mbstring;
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13
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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_strtolower - Make a string lowercase
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39 * - mb_strtoupper - Make a string uppercase
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40 * - mb_substitute_character - Set/Get substitution character
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41 * - mb_substr - Get part of string
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42 * - mb_stripos - Finds position of first occurrence of a string within another, case insensitive
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43 * - mb_stristr - Finds first occurrence of a string within another, case insensitive
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44 * - mb_strrchr - Finds the last occurrence of a character in a string within another
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45 * - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive
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46 * - mb_strripos - Finds position of last occurrence of a string within another, case insensitive
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47 * - mb_strstr - Finds first occurrence of a string within another
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48 * - mb_strwidth - Return width of string
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49 * - mb_substr_count - Count the number of substring occurrences
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50 *
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51 * Not implemented:
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52 * - mb_convert_kana - Convert "kana" one from another ("zen-kaku", "han-kaku" and more)
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53 * - mb_ereg_* - Regular expression with multibyte support
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54 * - mb_parse_str - Parse GET/POST/COOKIE data and set global variable
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55 * - mb_preferred_mime_name - Get MIME charset string
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56 * - mb_regex_encoding - Returns current encoding for multibyte regex as string
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57 * - mb_regex_set_options - Set/Get the default options for mbregex functions
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58 * - mb_send_mail - Send encoded mail
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59 * - mb_split - Split multibyte string using regular expression
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60 * - mb_strcut - Get part of string
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61 * - mb_strimwidth - Get truncated string with specified width
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62 *
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63 * @author Nicolas Grekas <p@tchwork.com>
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64 *
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65 * @internal
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66 */
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67 final class Mbstring
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68 {
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69 const MB_CASE_FOLD = PHP_INT_MAX;
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70
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71 private static $encodingList = array('ASCII', 'UTF-8');
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72 private static $language = 'neutral';
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73 private static $internalEncoding = 'UTF-8';
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74 private static $caseFold = array(
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75 array('µ', 'ſ', "\xCD\x85", 'ς', "\xCF\x90", "\xCF\x91", "\xCF\x95", "\xCF\x96", "\xCF\xB0", "\xCF\xB1", "\xCF\xB5", "\xE1\xBA\x9B", "\xE1\xBE\xBE"),
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76 array('μ', 's', 'ι', 'σ', 'β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1", 'ι'),
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77 );
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78
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79 public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null)
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80 {
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81 if (\is_array($fromEncoding) || false !== strpos($fromEncoding, ',')) {
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82 $fromEncoding = self::mb_detect_encoding($s, $fromEncoding);
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83 } else {
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84 $fromEncoding = self::getEncoding($fromEncoding);
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85 }
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86
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87 $toEncoding = self::getEncoding($toEncoding);
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88
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89 if ('BASE64' === $fromEncoding) {
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90 $s = base64_decode($s);
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91 $fromEncoding = $toEncoding;
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92 }
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93
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94 if ('BASE64' === $toEncoding) {
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95 return base64_encode($s);
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96 }
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97
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98 if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) {
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99 if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) {
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100 $fromEncoding = 'Windows-1252';
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101 }
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102 if ('UTF-8' !== $fromEncoding) {
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103 $s = iconv($fromEncoding, 'UTF-8//IGNORE', $s);
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104 }
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105
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106 return preg_replace_callback('/[\x80-\xFF]+/', array(__CLASS__, 'html_encoding_callback'), $s);
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107 }
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108
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109 if ('HTML-ENTITIES' === $fromEncoding) {
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110 $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8');
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111 $fromEncoding = 'UTF-8';
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112 }
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113
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114 return iconv($fromEncoding, $toEncoding.'//IGNORE', $s);
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115 }
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116
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117 public static function mb_convert_variables($toEncoding, $fromEncoding, &$a = null, &$b = null, &$c = null, &$d = null, &$e = null, &$f = null)
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118 {
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119 $vars = array(&$a, &$b, &$c, &$d, &$e, &$f);
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120
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121 $ok = true;
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122 array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) {
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123 if (false === $v = Mbstring::mb_convert_encoding($v, $toEncoding, $fromEncoding)) {
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124 $ok = false;
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125 }
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126 });
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127
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128 return $ok ? $fromEncoding : false;
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129 }
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130
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131 public static function mb_decode_mimeheader($s)
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132 {
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133 return iconv_mime_decode($s, 2, self::$internalEncoding);
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134 }
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135
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136 public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null)
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137 {
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138 trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', E_USER_WARNING);
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139 }
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140
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141 public static function mb_decode_numericentity($s, $convmap, $encoding = null)
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142 {
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143 if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) {
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144 trigger_error('mb_decode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING);
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145
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146 return null;
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147 }
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148
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149 if (!\is_array($convmap) || !$convmap) {
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150 return false;
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151 }
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152
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153 if (null !== $encoding && !\is_scalar($encoding)) {
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154 trigger_error('mb_decode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING);
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155
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156 return ''; // Instead of null (cf. mb_encode_numericentity).
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157 }
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158
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159 $s = (string) $s;
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160 if ('' === $s) {
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161 return '';
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162 }
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163
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164 $encoding = self::getEncoding($encoding);
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165
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166 if ('UTF-8' === $encoding) {
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167 $encoding = null;
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168 if (!preg_match('//u', $s)) {
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169 $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s);
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170 }
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171 } else {
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172 $s = iconv($encoding, 'UTF-8//IGNORE', $s);
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173 }
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174
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175 $cnt = floor(\count($convmap) / 4) * 4;
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176
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177 for ($i = 0; $i < $cnt; $i += 4) {
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178 // collector_decode_htmlnumericentity ignores $convmap[$i + 3]
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179 $convmap[$i] += $convmap[$i + 2];
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180 $convmap[$i + 1] += $convmap[$i + 2];
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181 }
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182
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183 $s = preg_replace_callback('/&#(?:0*([0-9]+)|x0*([0-9a-fA-F]+))(?!&);?/', function (array $m) use ($cnt, $convmap) {
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184 $c = isset($m[2]) ? (int) hexdec($m[2]) : $m[1];
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185 for ($i = 0; $i < $cnt; $i += 4) {
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186 if ($c >= $convmap[$i] && $c <= $convmap[$i + 1]) {
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187 return Mbstring::mb_chr($c - $convmap[$i + 2]);
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188 }
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189 }
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190
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191 return $m[0];
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192 }, $s);
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193
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194 if (null === $encoding) {
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195 return $s;
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196 }
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197
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198 return iconv('UTF-8', $encoding.'//IGNORE', $s);
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199 }
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200
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201 public static function mb_encode_numericentity($s, $convmap, $encoding = null, $is_hex = false)
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202 {
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203 if (null !== $s && !\is_scalar($s) && !(\is_object($s) && \method_exists($s, '__toString'))) {
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204 trigger_error('mb_encode_numericentity() expects parameter 1 to be string, '.\gettype($s).' given', E_USER_WARNING);
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205
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206 return null;
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207 }
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208
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209 if (!\is_array($convmap) || !$convmap) {
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210 return false;
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211 }
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212
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213 if (null !== $encoding && !\is_scalar($encoding)) {
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214 trigger_error('mb_encode_numericentity() expects parameter 3 to be string, '.\gettype($s).' given', E_USER_WARNING);
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215
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216 return null; // Instead of '' (cf. mb_decode_numericentity).
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217 }
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218
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219 if (null !== $is_hex && !\is_scalar($is_hex)) {
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220 trigger_error('mb_encode_numericentity() expects parameter 4 to be boolean, '.\gettype($s).' given', E_USER_WARNING);
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221
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222 return null;
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223 }
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224
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225 $s = (string) $s;
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226 if ('' === $s) {
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227 return '';
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228 }
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229
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230 $encoding = self::getEncoding($encoding);
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231
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232 if ('UTF-8' === $encoding) {
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233 $encoding = null;
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234 if (!preg_match('//u', $s)) {
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235 $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s);
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236 }
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237 } else {
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238 $s = iconv($encoding, 'UTF-8//IGNORE', $s);
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239 }
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240
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241 static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4);
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242
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243 $cnt = floor(\count($convmap) / 4) * 4;
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244 $i = 0;
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245 $len = \strlen($s);
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246 $result = '';
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247
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248 while ($i < $len) {
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249 $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"];
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250 $uchr = substr($s, $i, $ulen);
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251 $i += $ulen;
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252 $c = self::mb_ord($uchr);
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253
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254 for ($j = 0; $j < $cnt; $j += 4) {
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255 if ($c >= $convmap[$j] && $c <= $convmap[$j + 1]) {
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256 $cOffset = ($c + $convmap[$j + 2]) & $convmap[$j + 3];
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257 $result .= $is_hex ? sprintf('&#x%X;', $cOffset) : '&#'.$cOffset.';';
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258 continue 2;
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259 }
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260 }
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261 $result .= $uchr;
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262 }
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263
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264 if (null === $encoding) {
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265 return $result;
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266 }
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267
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268 return iconv('UTF-8', $encoding.'//IGNORE', $result);
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269 }
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270
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271 public static function mb_convert_case($s, $mode, $encoding = null)
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272 {
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273 $s = (string) $s;
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274 if ('' === $s) {
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275 return '';
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276 }
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277
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278 $encoding = self::getEncoding($encoding);
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279
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280 if ('UTF-8' === $encoding) {
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281 $encoding = null;
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282 if (!preg_match('//u', $s)) {
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283 $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s);
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284 }
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285 } else {
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286 $s = iconv($encoding, 'UTF-8//IGNORE', $s);
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287 }
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288
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289 if (MB_CASE_TITLE == $mode) {
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290 static $titleRegexp = null;
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291 if (null === $titleRegexp) {
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292 $titleRegexp = self::getData('titleCaseRegexp');
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293 }
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294 $s = preg_replace_callback($titleRegexp, array(__CLASS__, 'title_case'), $s);
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295 } else {
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296 if (MB_CASE_UPPER == $mode) {
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297 static $upper = null;
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298 if (null === $upper) {
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299 $upper = self::getData('upperCase');
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300 }
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301 $map = $upper;
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302 } else {
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303 if (self::MB_CASE_FOLD === $mode) {
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304 $s = str_replace(self::$caseFold[0], self::$caseFold[1], $s);
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305 }
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306
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307 static $lower = null;
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308 if (null === $lower) {
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309 $lower = self::getData('lowerCase');
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310 }
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311 $map = $lower;
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312 }
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313
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314 static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4);
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315
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316 $i = 0;
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317 $len = \strlen($s);
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318
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319 while ($i < $len) {
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320 $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"];
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321 $uchr = substr($s, $i, $ulen);
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322 $i += $ulen;
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323
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324 if (isset($map[$uchr])) {
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325 $uchr = $map[$uchr];
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326 $nlen = \strlen($uchr);
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327
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328 if ($nlen == $ulen) {
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329 $nlen = $i;
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330 do {
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331 $s[--$nlen] = $uchr[--$ulen];
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332 } while ($ulen);
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333 } else {
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334 $s = substr_replace($s, $uchr, $i - $ulen, $ulen);
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335 $len += $nlen - $ulen;
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336 $i += $nlen - $ulen;
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337 }
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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 if (null === $encoding) {
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343 return $s;
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344 }
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345
|
Chris@0
|
346 return iconv('UTF-8', $encoding.'//IGNORE', $s);
|
Chris@0
|
347 }
|
Chris@0
|
348
|
Chris@0
|
349 public static function mb_internal_encoding($encoding = null)
|
Chris@0
|
350 {
|
Chris@0
|
351 if (null === $encoding) {
|
Chris@0
|
352 return self::$internalEncoding;
|
Chris@0
|
353 }
|
Chris@0
|
354
|
Chris@0
|
355 $encoding = self::getEncoding($encoding);
|
Chris@0
|
356
|
Chris@0
|
357 if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) {
|
Chris@0
|
358 self::$internalEncoding = $encoding;
|
Chris@0
|
359
|
Chris@0
|
360 return true;
|
Chris@0
|
361 }
|
Chris@0
|
362
|
Chris@0
|
363 return false;
|
Chris@0
|
364 }
|
Chris@0
|
365
|
Chris@0
|
366 public static function mb_language($lang = null)
|
Chris@0
|
367 {
|
Chris@0
|
368 if (null === $lang) {
|
Chris@0
|
369 return self::$language;
|
Chris@0
|
370 }
|
Chris@0
|
371
|
Chris@0
|
372 switch ($lang = strtolower($lang)) {
|
Chris@0
|
373 case 'uni':
|
Chris@0
|
374 case 'neutral':
|
Chris@0
|
375 self::$language = $lang;
|
Chris@0
|
376
|
Chris@0
|
377 return true;
|
Chris@0
|
378 }
|
Chris@0
|
379
|
Chris@0
|
380 return false;
|
Chris@0
|
381 }
|
Chris@0
|
382
|
Chris@0
|
383 public static function mb_list_encodings()
|
Chris@0
|
384 {
|
Chris@0
|
385 return array('UTF-8');
|
Chris@0
|
386 }
|
Chris@0
|
387
|
Chris@0
|
388 public static function mb_encoding_aliases($encoding)
|
Chris@0
|
389 {
|
Chris@0
|
390 switch (strtoupper($encoding)) {
|
Chris@0
|
391 case 'UTF8':
|
Chris@0
|
392 case 'UTF-8':
|
Chris@0
|
393 return array('utf8');
|
Chris@0
|
394 }
|
Chris@0
|
395
|
Chris@0
|
396 return false;
|
Chris@0
|
397 }
|
Chris@0
|
398
|
Chris@0
|
399 public static function mb_check_encoding($var = null, $encoding = null)
|
Chris@0
|
400 {
|
Chris@0
|
401 if (null === $encoding) {
|
Chris@0
|
402 if (null === $var) {
|
Chris@0
|
403 return false;
|
Chris@0
|
404 }
|
Chris@0
|
405 $encoding = self::$internalEncoding;
|
Chris@0
|
406 }
|
Chris@0
|
407
|
Chris@0
|
408 return self::mb_detect_encoding($var, array($encoding)) || false !== @iconv($encoding, $encoding, $var);
|
Chris@0
|
409 }
|
Chris@0
|
410
|
Chris@0
|
411 public static function mb_detect_encoding($str, $encodingList = null, $strict = false)
|
Chris@0
|
412 {
|
Chris@0
|
413 if (null === $encodingList) {
|
Chris@0
|
414 $encodingList = self::$encodingList;
|
Chris@0
|
415 } else {
|
Chris@16
|
416 if (!\is_array($encodingList)) {
|
Chris@0
|
417 $encodingList = array_map('trim', explode(',', $encodingList));
|
Chris@0
|
418 }
|
Chris@0
|
419 $encodingList = array_map('strtoupper', $encodingList);
|
Chris@0
|
420 }
|
Chris@0
|
421
|
Chris@0
|
422 foreach ($encodingList as $enc) {
|
Chris@0
|
423 switch ($enc) {
|
Chris@0
|
424 case 'ASCII':
|
Chris@0
|
425 if (!preg_match('/[\x80-\xFF]/', $str)) {
|
Chris@0
|
426 return $enc;
|
Chris@0
|
427 }
|
Chris@0
|
428 break;
|
Chris@0
|
429
|
Chris@0
|
430 case 'UTF8':
|
Chris@0
|
431 case 'UTF-8':
|
Chris@0
|
432 if (preg_match('//u', $str)) {
|
Chris@0
|
433 return 'UTF-8';
|
Chris@0
|
434 }
|
Chris@0
|
435 break;
|
Chris@0
|
436
|
Chris@0
|
437 default:
|
Chris@0
|
438 if (0 === strncmp($enc, 'ISO-8859-', 9)) {
|
Chris@0
|
439 return $enc;
|
Chris@0
|
440 }
|
Chris@0
|
441 }
|
Chris@0
|
442 }
|
Chris@0
|
443
|
Chris@0
|
444 return false;
|
Chris@0
|
445 }
|
Chris@0
|
446
|
Chris@0
|
447 public static function mb_detect_order($encodingList = null)
|
Chris@0
|
448 {
|
Chris@0
|
449 if (null === $encodingList) {
|
Chris@0
|
450 return self::$encodingList;
|
Chris@0
|
451 }
|
Chris@0
|
452
|
Chris@16
|
453 if (!\is_array($encodingList)) {
|
Chris@0
|
454 $encodingList = array_map('trim', explode(',', $encodingList));
|
Chris@0
|
455 }
|
Chris@0
|
456 $encodingList = array_map('strtoupper', $encodingList);
|
Chris@0
|
457
|
Chris@0
|
458 foreach ($encodingList as $enc) {
|
Chris@0
|
459 switch ($enc) {
|
Chris@0
|
460 default:
|
Chris@0
|
461 if (strncmp($enc, 'ISO-8859-', 9)) {
|
Chris@0
|
462 return false;
|
Chris@0
|
463 }
|
Chris@17
|
464 // no break
|
Chris@0
|
465 case 'ASCII':
|
Chris@0
|
466 case 'UTF8':
|
Chris@0
|
467 case 'UTF-8':
|
Chris@0
|
468 }
|
Chris@0
|
469 }
|
Chris@0
|
470
|
Chris@0
|
471 self::$encodingList = $encodingList;
|
Chris@0
|
472
|
Chris@0
|
473 return true;
|
Chris@0
|
474 }
|
Chris@0
|
475
|
Chris@0
|
476 public static function mb_strlen($s, $encoding = null)
|
Chris@0
|
477 {
|
Chris@12
|
478 $encoding = self::getEncoding($encoding);
|
Chris@12
|
479 if ('CP850' === $encoding || 'ASCII' === $encoding) {
|
Chris@16
|
480 return \strlen($s);
|
Chris@0
|
481 }
|
Chris@0
|
482
|
Chris@0
|
483 return @iconv_strlen($s, $encoding);
|
Chris@0
|
484 }
|
Chris@0
|
485
|
Chris@0
|
486 public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null)
|
Chris@0
|
487 {
|
Chris@0
|
488 $encoding = self::getEncoding($encoding);
|
Chris@12
|
489 if ('CP850' === $encoding || 'ASCII' === $encoding) {
|
Chris@12
|
490 return strpos($haystack, $needle, $offset);
|
Chris@12
|
491 }
|
Chris@0
|
492
|
Chris@12
|
493 $needle = (string) $needle;
|
Chris@12
|
494 if ('' === $needle) {
|
Chris@0
|
495 trigger_error(__METHOD__.': Empty delimiter', E_USER_WARNING);
|
Chris@0
|
496
|
Chris@0
|
497 return false;
|
Chris@0
|
498 }
|
Chris@0
|
499
|
Chris@0
|
500 return iconv_strpos($haystack, $needle, $offset, $encoding);
|
Chris@0
|
501 }
|
Chris@0
|
502
|
Chris@0
|
503 public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null)
|
Chris@0
|
504 {
|
Chris@0
|
505 $encoding = self::getEncoding($encoding);
|
Chris@12
|
506 if ('CP850' === $encoding || 'ASCII' === $encoding) {
|
Chris@12
|
507 return strrpos($haystack, $needle, $offset);
|
Chris@12
|
508 }
|
Chris@0
|
509
|
Chris@0
|
510 if ($offset != (int) $offset) {
|
Chris@0
|
511 $offset = 0;
|
Chris@0
|
512 } elseif ($offset = (int) $offset) {
|
Chris@0
|
513 if ($offset < 0) {
|
Chris@0
|
514 $haystack = self::mb_substr($haystack, 0, $offset, $encoding);
|
Chris@0
|
515 $offset = 0;
|
Chris@0
|
516 } else {
|
Chris@0
|
517 $haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding);
|
Chris@0
|
518 }
|
Chris@0
|
519 }
|
Chris@0
|
520
|
Chris@0
|
521 $pos = iconv_strrpos($haystack, $needle, $encoding);
|
Chris@0
|
522
|
Chris@0
|
523 return false !== $pos ? $offset + $pos : false;
|
Chris@0
|
524 }
|
Chris@0
|
525
|
Chris@0
|
526 public static function mb_strtolower($s, $encoding = null)
|
Chris@0
|
527 {
|
Chris@0
|
528 return self::mb_convert_case($s, MB_CASE_LOWER, $encoding);
|
Chris@0
|
529 }
|
Chris@0
|
530
|
Chris@0
|
531 public static function mb_strtoupper($s, $encoding = null)
|
Chris@0
|
532 {
|
Chris@0
|
533 return self::mb_convert_case($s, MB_CASE_UPPER, $encoding);
|
Chris@0
|
534 }
|
Chris@0
|
535
|
Chris@0
|
536 public static function mb_substitute_character($c = null)
|
Chris@0
|
537 {
|
Chris@0
|
538 if (0 === strcasecmp($c, 'none')) {
|
Chris@0
|
539 return true;
|
Chris@0
|
540 }
|
Chris@0
|
541
|
Chris@0
|
542 return null !== $c ? false : 'none';
|
Chris@0
|
543 }
|
Chris@0
|
544
|
Chris@0
|
545 public static function mb_substr($s, $start, $length = null, $encoding = null)
|
Chris@0
|
546 {
|
Chris@0
|
547 $encoding = self::getEncoding($encoding);
|
Chris@12
|
548 if ('CP850' === $encoding || 'ASCII' === $encoding) {
|
Chris@12
|
549 return substr($s, $start, null === $length ? 2147483647 : $length);
|
Chris@12
|
550 }
|
Chris@0
|
551
|
Chris@0
|
552 if ($start < 0) {
|
Chris@0
|
553 $start = iconv_strlen($s, $encoding) + $start;
|
Chris@0
|
554 if ($start < 0) {
|
Chris@0
|
555 $start = 0;
|
Chris@0
|
556 }
|
Chris@0
|
557 }
|
Chris@0
|
558
|
Chris@0
|
559 if (null === $length) {
|
Chris@0
|
560 $length = 2147483647;
|
Chris@0
|
561 } elseif ($length < 0) {
|
Chris@0
|
562 $length = iconv_strlen($s, $encoding) + $length - $start;
|
Chris@0
|
563 if ($length < 0) {
|
Chris@0
|
564 return '';
|
Chris@0
|
565 }
|
Chris@0
|
566 }
|
Chris@0
|
567
|
Chris@12
|
568 return (string) iconv_substr($s, $start, $length, $encoding);
|
Chris@0
|
569 }
|
Chris@0
|
570
|
Chris@0
|
571 public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null)
|
Chris@0
|
572 {
|
Chris@0
|
573 $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);
|
Chris@0
|
574 $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
|
Chris@0
|
575
|
Chris@0
|
576 return self::mb_strpos($haystack, $needle, $offset, $encoding);
|
Chris@0
|
577 }
|
Chris@0
|
578
|
Chris@0
|
579 public static function mb_stristr($haystack, $needle, $part = false, $encoding = null)
|
Chris@0
|
580 {
|
Chris@0
|
581 $pos = self::mb_stripos($haystack, $needle, 0, $encoding);
|
Chris@0
|
582
|
Chris@0
|
583 return self::getSubpart($pos, $part, $haystack, $encoding);
|
Chris@0
|
584 }
|
Chris@0
|
585
|
Chris@0
|
586 public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null)
|
Chris@0
|
587 {
|
Chris@0
|
588 $encoding = self::getEncoding($encoding);
|
Chris@12
|
589 if ('CP850' === $encoding || 'ASCII' === $encoding) {
|
Chris@12
|
590 return strrchr($haystack, $needle, $part);
|
Chris@12
|
591 }
|
Chris@0
|
592 $needle = self::mb_substr($needle, 0, 1, $encoding);
|
Chris@0
|
593 $pos = iconv_strrpos($haystack, $needle, $encoding);
|
Chris@0
|
594
|
Chris@0
|
595 return self::getSubpart($pos, $part, $haystack, $encoding);
|
Chris@0
|
596 }
|
Chris@0
|
597
|
Chris@0
|
598 public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null)
|
Chris@0
|
599 {
|
Chris@0
|
600 $needle = self::mb_substr($needle, 0, 1, $encoding);
|
Chris@0
|
601 $pos = self::mb_strripos($haystack, $needle, $encoding);
|
Chris@0
|
602
|
Chris@0
|
603 return self::getSubpart($pos, $part, $haystack, $encoding);
|
Chris@0
|
604 }
|
Chris@0
|
605
|
Chris@0
|
606 public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null)
|
Chris@0
|
607 {
|
Chris@0
|
608 $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);
|
Chris@0
|
609 $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
|
Chris@0
|
610
|
Chris@0
|
611 return self::mb_strrpos($haystack, $needle, $offset, $encoding);
|
Chris@0
|
612 }
|
Chris@0
|
613
|
Chris@0
|
614 public static function mb_strstr($haystack, $needle, $part = false, $encoding = null)
|
Chris@0
|
615 {
|
Chris@0
|
616 $pos = strpos($haystack, $needle);
|
Chris@0
|
617 if (false === $pos) {
|
Chris@0
|
618 return false;
|
Chris@0
|
619 }
|
Chris@0
|
620 if ($part) {
|
Chris@0
|
621 return substr($haystack, 0, $pos);
|
Chris@0
|
622 }
|
Chris@0
|
623
|
Chris@0
|
624 return substr($haystack, $pos);
|
Chris@0
|
625 }
|
Chris@0
|
626
|
Chris@0
|
627 public static function mb_get_info($type = 'all')
|
Chris@0
|
628 {
|
Chris@0
|
629 $info = array(
|
Chris@0
|
630 'internal_encoding' => self::$internalEncoding,
|
Chris@0
|
631 'http_output' => 'pass',
|
Chris@0
|
632 'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)',
|
Chris@0
|
633 'func_overload' => 0,
|
Chris@0
|
634 'func_overload_list' => 'no overload',
|
Chris@0
|
635 'mail_charset' => 'UTF-8',
|
Chris@0
|
636 'mail_header_encoding' => 'BASE64',
|
Chris@0
|
637 'mail_body_encoding' => 'BASE64',
|
Chris@0
|
638 'illegal_chars' => 0,
|
Chris@0
|
639 'encoding_translation' => 'Off',
|
Chris@0
|
640 'language' => self::$language,
|
Chris@0
|
641 'detect_order' => self::$encodingList,
|
Chris@0
|
642 'substitute_character' => 'none',
|
Chris@0
|
643 'strict_detection' => 'Off',
|
Chris@0
|
644 );
|
Chris@0
|
645
|
Chris@0
|
646 if ('all' === $type) {
|
Chris@0
|
647 return $info;
|
Chris@0
|
648 }
|
Chris@0
|
649 if (isset($info[$type])) {
|
Chris@0
|
650 return $info[$type];
|
Chris@0
|
651 }
|
Chris@0
|
652
|
Chris@0
|
653 return false;
|
Chris@0
|
654 }
|
Chris@0
|
655
|
Chris@0
|
656 public static function mb_http_input($type = '')
|
Chris@0
|
657 {
|
Chris@0
|
658 return false;
|
Chris@0
|
659 }
|
Chris@0
|
660
|
Chris@0
|
661 public static function mb_http_output($encoding = null)
|
Chris@0
|
662 {
|
Chris@0
|
663 return null !== $encoding ? 'pass' === $encoding : 'pass';
|
Chris@0
|
664 }
|
Chris@0
|
665
|
Chris@0
|
666 public static function mb_strwidth($s, $encoding = null)
|
Chris@0
|
667 {
|
Chris@0
|
668 $encoding = self::getEncoding($encoding);
|
Chris@0
|
669
|
Chris@0
|
670 if ('UTF-8' !== $encoding) {
|
Chris@0
|
671 $s = iconv($encoding, 'UTF-8//IGNORE', $s);
|
Chris@0
|
672 }
|
Chris@0
|
673
|
Chris@0
|
674 $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, $wide);
|
Chris@0
|
675
|
Chris@0
|
676 return ($wide << 1) + iconv_strlen($s, 'UTF-8');
|
Chris@0
|
677 }
|
Chris@0
|
678
|
Chris@0
|
679 public static function mb_substr_count($haystack, $needle, $encoding = null)
|
Chris@0
|
680 {
|
Chris@0
|
681 return substr_count($haystack, $needle);
|
Chris@0
|
682 }
|
Chris@0
|
683
|
Chris@0
|
684 public static function mb_output_handler($contents, $status)
|
Chris@0
|
685 {
|
Chris@0
|
686 return $contents;
|
Chris@0
|
687 }
|
Chris@0
|
688
|
Chris@0
|
689 public static function mb_chr($code, $encoding = null)
|
Chris@0
|
690 {
|
Chris@0
|
691 if (0x80 > $code %= 0x200000) {
|
Chris@16
|
692 $s = \chr($code);
|
Chris@0
|
693 } elseif (0x800 > $code) {
|
Chris@16
|
694 $s = \chr(0xC0 | $code >> 6).\chr(0x80 | $code & 0x3F);
|
Chris@0
|
695 } elseif (0x10000 > $code) {
|
Chris@16
|
696 $s = \chr(0xE0 | $code >> 12).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F);
|
Chris@0
|
697 } else {
|
Chris@16
|
698 $s = \chr(0xF0 | $code >> 18).\chr(0x80 | $code >> 12 & 0x3F).\chr(0x80 | $code >> 6 & 0x3F).\chr(0x80 | $code & 0x3F);
|
Chris@0
|
699 }
|
Chris@0
|
700
|
Chris@0
|
701 if ('UTF-8' !== $encoding = self::getEncoding($encoding)) {
|
Chris@0
|
702 $s = mb_convert_encoding($s, $encoding, 'UTF-8');
|
Chris@0
|
703 }
|
Chris@0
|
704
|
Chris@0
|
705 return $s;
|
Chris@0
|
706 }
|
Chris@0
|
707
|
Chris@0
|
708 public static function mb_ord($s, $encoding = null)
|
Chris@0
|
709 {
|
Chris@0
|
710 if ('UTF-8' !== $encoding = self::getEncoding($encoding)) {
|
Chris@0
|
711 $s = mb_convert_encoding($s, 'UTF-8', $encoding);
|
Chris@0
|
712 }
|
Chris@0
|
713
|
Chris@17
|
714 if (1 === \strlen($s)) {
|
Chris@17
|
715 return \ord($s);
|
Chris@17
|
716 }
|
Chris@17
|
717
|
Chris@0
|
718 $code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0;
|
Chris@0
|
719 if (0xF0 <= $code) {
|
Chris@0
|
720 return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80;
|
Chris@0
|
721 }
|
Chris@0
|
722 if (0xE0 <= $code) {
|
Chris@0
|
723 return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80;
|
Chris@0
|
724 }
|
Chris@0
|
725 if (0xC0 <= $code) {
|
Chris@0
|
726 return (($code - 0xC0) << 6) + $s[2] - 0x80;
|
Chris@0
|
727 }
|
Chris@0
|
728
|
Chris@0
|
729 return $code;
|
Chris@0
|
730 }
|
Chris@0
|
731
|
Chris@0
|
732 private static function getSubpart($pos, $part, $haystack, $encoding)
|
Chris@0
|
733 {
|
Chris@0
|
734 if (false === $pos) {
|
Chris@0
|
735 return false;
|
Chris@0
|
736 }
|
Chris@0
|
737 if ($part) {
|
Chris@0
|
738 return self::mb_substr($haystack, 0, $pos, $encoding);
|
Chris@0
|
739 }
|
Chris@0
|
740
|
Chris@0
|
741 return self::mb_substr($haystack, $pos, null, $encoding);
|
Chris@0
|
742 }
|
Chris@0
|
743
|
Chris@12
|
744 private static function html_encoding_callback(array $m)
|
Chris@0
|
745 {
|
Chris@0
|
746 $i = 1;
|
Chris@0
|
747 $entities = '';
|
Chris@0
|
748 $m = unpack('C*', htmlentities($m[0], ENT_COMPAT, 'UTF-8'));
|
Chris@0
|
749
|
Chris@0
|
750 while (isset($m[$i])) {
|
Chris@0
|
751 if (0x80 > $m[$i]) {
|
Chris@16
|
752 $entities .= \chr($m[$i++]);
|
Chris@0
|
753 continue;
|
Chris@0
|
754 }
|
Chris@0
|
755 if (0xF0 <= $m[$i]) {
|
Chris@0
|
756 $c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80;
|
Chris@0
|
757 } elseif (0xE0 <= $m[$i]) {
|
Chris@0
|
758 $c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80;
|
Chris@0
|
759 } else {
|
Chris@0
|
760 $c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80;
|
Chris@0
|
761 }
|
Chris@0
|
762
|
Chris@0
|
763 $entities .= '&#'.$c.';';
|
Chris@0
|
764 }
|
Chris@0
|
765
|
Chris@0
|
766 return $entities;
|
Chris@0
|
767 }
|
Chris@0
|
768
|
Chris@17
|
769 private static function title_case(array $s)
|
Chris@0
|
770 {
|
Chris@17
|
771 return self::mb_convert_case($s[1], MB_CASE_UPPER, 'UTF-8').self::mb_convert_case($s[2], MB_CASE_LOWER, 'UTF-8');
|
Chris@0
|
772 }
|
Chris@0
|
773
|
Chris@0
|
774 private static function getData($file)
|
Chris@0
|
775 {
|
Chris@0
|
776 if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) {
|
Chris@0
|
777 return require $file;
|
Chris@0
|
778 }
|
Chris@0
|
779
|
Chris@0
|
780 return false;
|
Chris@0
|
781 }
|
Chris@0
|
782
|
Chris@0
|
783 private static function getEncoding($encoding)
|
Chris@0
|
784 {
|
Chris@0
|
785 if (null === $encoding) {
|
Chris@0
|
786 return self::$internalEncoding;
|
Chris@0
|
787 }
|
Chris@0
|
788
|
Chris@0
|
789 $encoding = strtoupper($encoding);
|
Chris@0
|
790
|
Chris@0
|
791 if ('8BIT' === $encoding || 'BINARY' === $encoding) {
|
Chris@0
|
792 return 'CP850';
|
Chris@0
|
793 }
|
Chris@0
|
794 if ('UTF8' === $encoding) {
|
Chris@0
|
795 return 'UTF-8';
|
Chris@0
|
796 }
|
Chris@0
|
797
|
Chris@0
|
798 return $encoding;
|
Chris@0
|
799 }
|
Chris@0
|
800 }
|