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<?php function remove_unicode_before_registrar($string){ $nonLatinChars = array( '/ä|æ|ǽ/' => 'ae', '/ö|œ/' => 'oe', '/ü/' => 'ue', '/Ä/' => 'Ae', '/Ü/' => 'Ue', '/Ö/' => 'Oe', '/À|Á|Â|Ã|Ä|Å|Ǻ|Ā|Ă|Ą|Ǎ|Α|Ά|Ả|Ạ|Ầ|Ẫ|Ẩ|Ậ|Ằ|Ắ|Ẵ|Ẳ|Ặ|А/' => 'A', '/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª|α|ά|ả|ạ|ầ|ấ|ẫ|ẩ|ậ|ằ|ắ|ẵ|ẳ|ặ|а/' => 'a', '/Б/' => 'B', '/б/' => 'b', '/Ç|Ć|Ĉ|Ċ|Č/' => 'C', '/ç|ć|ĉ|ċ|č/' => 'c', '/Д/' => 'D', '/д/' => 'd', '/Ð|Ď|Đ|Δ/' => 'Dj', '/ð|ď|đ|δ/' => 'dj', '/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě|Ε|Έ|Ẽ|Ẻ|Ẹ|Ề|Ế|Ễ|Ể|Ệ|Е|Ё|Э/' => 'E', '/è|é|ê|ë|ē|ĕ|ė|ę|ě|έ|ε|ẽ|ẻ|ẹ|ề|ế|ễ|ể|ệ|е|ё|э/' => 'e', '/Ф/' => 'F', '/ф/' => 'f', '/Ĝ|Ğ|Ġ|Ģ|Γ|Г/' => 'G', '/ĝ|ğ|ġ|ģ|γ|г/' => 'g', '/Ĥ|Ħ/' => 'H', '/ĥ|ħ/' => 'h', '/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ|Η|Ή|Ί|Ι|Ϊ|Ỉ|Ị|И|Й/' => 'I', '/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı|η|ή|ί|ι|ϊ|ỉ|ị|и|й/' => 'i', '/Ĵ/' => 'J', '/ĵ/' => 'j', '/Ķ|Κ|К/' => 'K', '/ķ|κ|к/' => 'k', '/Ĺ|Ļ|Ľ|Ŀ|Ł|Λ|Л/' => 'L', '/ĺ|ļ|ľ|ŀ|ł|λ|л/' => 'l', '/М/' => 'M', '/м/' => 'm', '/Ñ|Ń|Ņ|Ň|Ν|Н/' => 'N', '/ñ|ń|ņ|ň|ŉ|ν|н/' => 'n', '/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ|Ο|Ό|Ω|Ώ|Ỏ|Ọ|Ồ|Ố|Ỗ|Ổ|Ộ|Ờ|Ớ|Ỡ|Ở|Ợ|О/' => 'O', '/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º|ο|ό|ω|ώ|ỏ|ọ|ồ|ố|ỗ|ổ|ộ|ờ|ớ|ỡ|ở|ợ|о/' => 'o', '/П/' => 'P', '/п/' => 'p', '/Ŕ|Ŗ|Ř|Ρ|Р/' => 'R', '/ŕ|ŗ|ř|ρ|р/' => 'r', '/Ś|Ŝ|Ş|Ș|Š|Σ|С/' => 'S', '/ś|ŝ|ş|ș|š|ſ|σ|ς|с/' => 's', '/Ț|Ţ|Ť|Ŧ|τ|Т/' => 'T', '/ț|ţ|ť|ŧ|т/' => 't', '/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ|Ũ|Ủ|Ụ|Ừ|Ứ|Ữ|Ử|Ự|У/' => 'U', '/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ|υ|ύ|ϋ|ủ|ụ|ừ|ứ|ữ|ử|ự|у/' => 'u', '/Ý|Ÿ|Ŷ|Υ|Ύ|Ϋ|Ỳ|Ỹ|Ỷ|Ỵ/' => 'Y', '/ý|ÿ|ŷ|ỳ|ỹ|ỷ|ỵ/' => 'y', '/В/' => 'V', '/в/' => 'v', '/Ŵ/' => 'W', '/ŵ/' => 'w', '/Ź|Ż|Ž|Ζ|З/' => 'Z', '/ź|ż|ž|ζ|з/' => 'z', '/Æ|Ǽ/' => 'AE', '/ß/'=> 'ss', '/Ĳ/' => 'IJ', '/ĳ/' => 'ij', '/Œ/' => 'OE', '/ƒ/' => 'f', '/ξ/' => 'ks', '/π/' => 'p', '/β/' => 'v', '/μ/' => 'm', '/ψ/' => 'ps', '/Ж/' => 'Zh', '/ж/' => 'zh', '/Х/' => 'Kh', '/х/' => 'kh', '/Ц/' => 'Tc', '/ц/' => 'tc', '/Ч/' => 'Ch', '/ч/' => 'ch', '/Ы/' => 'Y', '/ы/' => 'y', '/Ш/' => 'Sh', '/ш/' => 'sh', '/Щ/' => 'Shch', '/щ/' => 'shch', '/Ю/' => 'Iu', '/ю/' => 'iu', '/ю/' => 'iu', '/Я/' => 'Ia', '/я/' => 'ia' ); $nonLatinFrom = array_keys($nonLatinChars); $nonLatinTo = array_values($nonLatinChars); $separator = '-'; $pregSeparator = preg_quote($separator, '#'); $string = trim($string); $string = strip_tags($string); $string = preg_replace($nonLatinFrom, $nonLatinTo, $string); $string = trim(trim($string, $separator)); return $string; } $arr = [ 'params' => [ 'state' => 'Constanța', 'city' => 'Constanța', ], ]; array_walk($arr['params'], function(&$value) { $value = remove_unicode_before_registrar($value); } ); print_r($arr);