Change Details
| src/Pluf/Text/UTF8.php |
|---|
| 115 | 115 | return true; |
| 116 | 116 | } |
| 117 | 117 | |
| 118 | /** |
| 119 | * Detect if a string is in a Russian charset. |
| 120 | * |
| 121 | * This should be used when the mb_string detection encoding is |
| 122 | * failing. For example: |
| 123 | * |
| 124 | * <pre> |
| 125 | * $encoding = mb_detect_encoding($string, mb_detect_order(), true); |
| 126 | * if ($encoding == false) { |
| 127 | * $encoding = Pluf_Text_UTF8::detect_cyr_charset($string); |
| 128 | * } |
| 129 | * </pre> |
| 130 | * |
| 131 | * @link http://forum.php.su/topic.php?forum=1&topic=1346 |
| 132 | * |
| 133 | * @param string |
| 134 | * @return string Possible Russian encoding |
| 135 | */ |
| 136 | public static function detect_cyr_charset($str) |
| 137 | { |
| 138 | $charsets = array( |
| 139 | 'KOI8-R' => 0, |
| 140 | 'Windows-1251' => 0, |
| 141 | 'CP-866' => 0, |
| 142 | 'ISO-8859-5' => 0, |
| 143 | 'MacCyrillic' => 0 |
| 144 | ); |
| 145 | $length = strlen($str); |
| 146 | for ($i=0; $i<$length; $i++) { |
| 147 | $char = ord($str[$i]); |
| 148 | //non-russian characters |
| 149 | if ($char < 128 || $char > 256) continue; |
| 150 | |
| 151 | //CP866 |
| 152 | if (($char > 159 && $char < 176) || ($char > 223 && $char < 242)) |
| 153 | $charsets['CP-866']+=3; |
| 154 | if (($char > 127 && $char < 160)) $charsets['CP-866']+=1; |
| 155 | |
| 156 | //KOI8-R |
| 157 | if (($char > 191 && $char < 223)) $charsets['KOI8-R']+=3; |
| 158 | if (($char > 222 && $char < 256)) $charsets['KOI8-R']+=1; |
| 159 | |
| 160 | //WIN-1251 |
| 161 | if ($char > 223 && $char < 256) $charsets['Windows-1251']+=3; |
| 162 | if ($char > 191 && $char < 224) $charsets['Windows-1251']+=1; |
| 163 | |
| 164 | //MAC |
| 165 | if ($char > 221 && $char < 255) $charsets['MacCyrillic']+=3; |
| 166 | if ($char > 127 && $char < 160) $charsets['MacCyrillic']+=1; |
| 167 | |
| 168 | //ISO-8859-5 |
| 169 | if ($char > 207 && $char < 240) $charsets['ISO-8859-5']+=3; |
| 170 | if ($char > 175 && $char < 208) $charsets['ISO-8859-5']+=1; |
| 171 | |
| 172 | } |
| 173 | arsort($charsets); |
| 174 | return key($charsets); |
| 175 | } |
| 118 | 176 | |
| 119 | 177 | |
| 120 | 178 | /** |
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