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<?php |
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namespace inblank\transliter; |
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use yii\base\Component; |
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/** |
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* Transliteration |
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* |
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* @link https://github.com/inblank/yii2-transliter |
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* @copyright Copyright (c) 2016 Pavel Aleksandrov <[email protected]> |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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class Transliter extends Component |
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{ |
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/** |
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* Transliteration table for Russian characters |
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* CAUTION: for this table you always must run callback Transliter::defaultAfter() because |
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* russian `х` replaced on english `x` for future use in special rules which applies in `defaultAfter` |
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* After applying `defaultAfter` russian `х` will be replaced on `h` or `kh` if follows after c,s,e,h |
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* @var array |
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*/ |
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public $table = [ |
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'а' => 'a', 'б' => 'b', 'в' => 'v', 'г' => 'g', 'д' => 'd', 'е' => 'e', 'ё' => 'yo', 'ж' => 'zh', 'з' => 'z', |
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'и' => 'i', 'й' => 'j', 'к' => 'k', 'л' => 'l', 'м' => 'm', 'н' => 'n', 'о' => 'o', 'п' => 'p', 'р' => 'r', |
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'с' => 's', 'т' => 't', 'у' => 'u', 'ф' => 'f', 'х' => 'x', 'ц' => 'c', 'ч' => 'ch', 'ш' => 'sh', 'щ' => 'shch', |
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'ы' => 'y', 'э' => 'eh', 'ю' => 'yu', 'я' => 'ya', 'ь' => '', 'ъ' => '', |
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'А' => 'A', 'Б' => 'B', 'В' => 'V', 'Г' => 'G', 'Д' => 'D', 'Е' => 'E', 'Ё' => 'Yo', 'Ж' => 'Zh', 'З' => 'Z', |
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'И' => 'I', 'Й' => 'J', 'К' => 'K', 'Л' => 'L', 'М' => 'M', 'Н' => 'N', 'О' => 'O', 'П' => 'P', 'Р' => 'R', |
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'С' => 'S', 'Т' => 'T', 'У' => 'U', 'Ф' => 'F', 'Х' => 'X', 'Ц' => 'C', 'Ч' => 'Ch', 'Ш' => 'Sh', 'Щ' => 'Shch', |
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'Ы' => 'Y', 'Э' => 'Eh', 'Ю' => 'Yu', 'Я' => 'Ya', 'Ь' => '', 'Ъ' => '', |
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]; |
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/** |
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* @var bool a sign of permissibility of dots in the transliterate result |
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*/ |
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public $useDot = false; |
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/** |
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* @var string space replace character |
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*/ |
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public $spacer = "-"; |
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/** |
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* @var callable function|method calling with result string after transliteration |
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*/ |
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public $after = ["self", "defaultAfter"]; |
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/** |
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* @var bool replace character for non alphanumeric characters. If false - special chars cuts |
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*/ |
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public $replaceSpecial = false; |
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/** |
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* @var bool convert result to lowercase |
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*/ |
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public $toLower = true; |
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/** |
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* Default after table translate method for Russian characters |
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* @param string $str transliterated string |
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* @return mixed |
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*/ |
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public static function defaultAfter($str) |
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{ |
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// replace special cases for h for Russian language |
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return preg_replace('/[x]/uim', 'h', preg_replace('/([cseh]){1}x/uim', '${1}kh', $str)); |
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} |
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/** |
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* Transliterate method |
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* @param string $str input string |
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* @param null|string $spacer space replacer. If null uses Transliter::$spacer |
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* @param null|bool $toLower convert result to lowercase. If null uses Transliter::$toLower |
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* @return string |
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*/ |
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public function translate($str, $spacer = null, $toLower = null) |
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{ |
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if ($spacer === null) { |
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$spacer = $this->spacer; |
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} |
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if ($toLower === null) { |
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$toLower = $this->toLower; |
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} |
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$str = strtr($str, $this->table); |
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if (is_callable($this->after)) { |
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$str = call_user_func($this->after, $str); |
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} |
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// replace all non alpha-numeric characters |
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$str = preg_replace('~[^' . ($this->useDot ? '\.' : '') . '\s\w\d_\-]~uism', empty($this->replaceSpecial) ? '' : $this->replaceSpecial, $str); |
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// replace spaces |
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$str = preg_replace('/\s/u', $spacer, $str); |
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if ($toLower) { |
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$str = strtolower($str); |
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} |
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return $str; |
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} |
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} |
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inblank /
yii2-transliter
