Created
August 18, 2009 07:43
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php function to remove accent from the input string string. An example string like `ÀØėÿᾜὨζὅБю` * will be translated to `AOeyIOzoBY`
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| <?php # -*- coding: utf-8 -*- | |
| // function remove_accents() | |
| /** | |
| * Unaccent the input string string. An example string like `ÀØėÿᾜὨζὅБю` | |
| * will be translated to `AOeyIOzoBY`. More complete than : | |
| * strtr( (string)$str, | |
| * "ÀÁÂÃÄÅàáâãäåÒÓÔÕÖØòóôõöøÈÉÊËèéêëÇçÌÍÎÏìíîïÙÚÛÜùúûüÿÑñ", | |
| * "aaaaaaaaaaaaooooooooooooeeeeeeeecciiiiiiiiuuuuuuuuynn" ); | |
| * | |
| * @param $str input string | |
| * @param $utf8 if null, function will detect input string encoding | |
| * @return string input string without accent | |
| */ | |
| function remove_accents( $str, $utf8=true ) | |
| { | |
| $str = (string)$str; | |
| if( is_null($utf8) ) { | |
| if( !function_exists('mb_detect_encoding') ) { | |
| $utf8 = (strtolower( mb_detect_encoding($str) )=='utf-8'); | |
| } else { | |
| $length = strlen($str); | |
| $utf8 = true; | |
| for ($i=0; $i < $length; $i++) { | |
| $c = ord($str[$i]); | |
| if ($c < 0x80) $n = 0; # 0bbbbbbb | |
| elseif (($c & 0xE0) == 0xC0) $n=1; # 110bbbbb | |
| elseif (($c & 0xF0) == 0xE0) $n=2; # 1110bbbb | |
| elseif (($c & 0xF8) == 0xF0) $n=3; # 11110bbb | |
| elseif (($c & 0xFC) == 0xF8) $n=4; # 111110bb | |
| elseif (($c & 0xFE) == 0xFC) $n=5; # 1111110b | |
| else return false; # Does not match any model | |
| for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? | |
| if ((++$i == $length) | |
| || ((ord($str[$i]) & 0xC0) != 0x80)) { | |
| $utf8 = false; | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| if(!$utf8) | |
| $str = utf8_encode($str); | |
| $transliteration = array( | |
| 'IJ' => 'I', 'Ö' => 'O','Œ' => 'O','Ü' => 'U','ä' => 'a','æ' => 'a', | |
| 'ij' => 'i','ö' => 'o','œ' => 'o','ü' => 'u','ß' => 's','ſ' => 's', | |
| 'À' => 'A','Á' => 'A','Â' => 'A','Ã' => 'A','Ä' => 'A','Å' => 'A', | |
| 'Æ' => 'A','Ā' => 'A','Ą' => 'A','Ă' => 'A','Ç' => 'C','Ć' => 'C', | |
| 'Č' => 'C','Ĉ' => 'C','Ċ' => 'C','Ď' => 'D','Đ' => 'D','È' => 'E', | |
| 'É' => 'E','Ê' => 'E','Ë' => 'E','Ē' => 'E','Ę' => 'E','Ě' => 'E', | |
| 'Ĕ' => 'E','Ė' => 'E','Ĝ' => 'G','Ğ' => 'G','Ġ' => 'G','Ģ' => 'G', | |
| 'Ĥ' => 'H','Ħ' => 'H','Ì' => 'I','Í' => 'I','Î' => 'I','Ï' => 'I', | |
| 'Ī' => 'I','Ĩ' => 'I','Ĭ' => 'I','Į' => 'I','İ' => 'I','Ĵ' => 'J', | |
| 'Ķ' => 'K','Ľ' => 'K','Ĺ' => 'K','Ļ' => 'K','Ŀ' => 'K','Ł' => 'L', | |
| 'Ñ' => 'N','Ń' => 'N','Ň' => 'N','Ņ' => 'N','Ŋ' => 'N','Ò' => 'O', | |
| 'Ó' => 'O','Ô' => 'O','Õ' => 'O','Ø' => 'O','Ō' => 'O','Ő' => 'O', | |
| 'Ŏ' => 'O','Ŕ' => 'R','Ř' => 'R','Ŗ' => 'R','Ś' => 'S','Ş' => 'S', | |
| 'Ŝ' => 'S','Ș' => 'S','Š' => 'S','Ť' => 'T','Ţ' => 'T','Ŧ' => 'T', | |
| 'Ț' => 'T','Ù' => 'U','Ú' => 'U','Û' => 'U','Ū' => 'U','Ů' => 'U', | |
| 'Ű' => 'U','Ŭ' => 'U','Ũ' => 'U','Ų' => 'U','Ŵ' => 'W','Ŷ' => 'Y', | |
| 'Ÿ' => 'Y','Ý' => 'Y','Ź' => 'Z','Ż' => 'Z','Ž' => 'Z','à' => 'a', | |
| 'á' => 'a','â' => 'a','ã' => 'a','ā' => 'a','ą' => 'a','ă' => 'a', | |
| 'å' => 'a','ç' => 'c','ć' => 'c','č' => 'c','ĉ' => 'c','ċ' => 'c', | |
| 'ď' => 'd','đ' => 'd','è' => 'e','é' => 'e','ê' => 'e','ë' => 'e', | |
| 'ē' => 'e','ę' => 'e','ě' => 'e','ĕ' => 'e','ė' => 'e','ƒ' => 'f', | |
| 'ĝ' => 'g','ğ' => 'g','ġ' => 'g','ģ' => 'g','ĥ' => 'h','ħ' => 'h', | |
| 'ì' => 'i','í' => 'i','î' => 'i','ï' => 'i','ī' => 'i','ĩ' => 'i', | |
| 'ĭ' => 'i','į' => 'i','ı' => 'i','ĵ' => 'j','ķ' => 'k','ĸ' => 'k', | |
| 'ł' => 'l','ľ' => 'l','ĺ' => 'l','ļ' => 'l','ŀ' => 'l','ñ' => 'n', | |
| 'ń' => 'n','ň' => 'n','ņ' => 'n','ʼn' => 'n','ŋ' => 'n','ò' => 'o', | |
| 'ó' => 'o','ô' => 'o','õ' => 'o','ø' => 'o','ō' => 'o','ő' => 'o', | |
| 'ŏ' => 'o','ŕ' => 'r','ř' => 'r','ŗ' => 'r','ś' => 's','š' => 's', | |
| 'ť' => 't','ù' => 'u','ú' => 'u','û' => 'u','ū' => 'u','ů' => 'u', | |
| 'ű' => 'u','ŭ' => 'u','ũ' => 'u','ų' => 'u','ŵ' => 'w','ÿ' => 'y', | |
| 'ý' => 'y','ŷ' => 'y','ż' => 'z','ź' => 'z','ž' => 'z','Α' => 'A', | |
| 'Ά' => 'A','Ἀ' => 'A','Ἁ' => 'A','Ἂ' => 'A','Ἃ' => 'A','Ἄ' => 'A', | |
| 'Ἅ' => 'A','Ἆ' => 'A','Ἇ' => 'A','ᾈ' => 'A','ᾉ' => 'A','ᾊ' => 'A', | |
| 'ᾋ' => 'A','ᾌ' => 'A','ᾍ' => 'A','ᾎ' => 'A','ᾏ' => 'A','Ᾰ' => 'A', | |
| 'Ᾱ' => 'A','Ὰ' => 'A','ᾼ' => 'A','Β' => 'B','Γ' => 'G','Δ' => 'D', | |
| 'Ε' => 'E','Έ' => 'E','Ἐ' => 'E','Ἑ' => 'E','Ἒ' => 'E','Ἓ' => 'E', | |
| 'Ἔ' => 'E','Ἕ' => 'E','Ὲ' => 'E','Ζ' => 'Z','Η' => 'I','Ή' => 'I', | |
| 'Ἠ' => 'I','Ἡ' => 'I','Ἢ' => 'I','Ἣ' => 'I','Ἤ' => 'I','Ἥ' => 'I', | |
| 'Ἦ' => 'I','Ἧ' => 'I','ᾘ' => 'I','ᾙ' => 'I','ᾚ' => 'I','ᾛ' => 'I', | |
| 'ᾜ' => 'I','ᾝ' => 'I','ᾞ' => 'I','ᾟ' => 'I','Ὴ' => 'I','ῌ' => 'I', | |
| 'Θ' => 'T','Ι' => 'I','Ί' => 'I','Ϊ' => 'I','Ἰ' => 'I','Ἱ' => 'I', | |
| 'Ἲ' => 'I','Ἳ' => 'I','Ἴ' => 'I','Ἵ' => 'I','Ἶ' => 'I','Ἷ' => 'I', | |
| 'Ῐ' => 'I','Ῑ' => 'I','Ὶ' => 'I','Κ' => 'K','Λ' => 'L','Μ' => 'M', | |
| 'Ν' => 'N','Ξ' => 'K','Ο' => 'O','Ό' => 'O','Ὀ' => 'O','Ὁ' => 'O', | |
| 'Ὂ' => 'O','Ὃ' => 'O','Ὄ' => 'O','Ὅ' => 'O','Ὸ' => 'O','Π' => 'P', | |
| 'Ρ' => 'R','Ῥ' => 'R','Σ' => 'S','Τ' => 'T','Υ' => 'Y','Ύ' => 'Y', | |
| 'Ϋ' => 'Y','Ὑ' => 'Y','Ὓ' => 'Y','Ὕ' => 'Y','Ὗ' => 'Y','Ῠ' => 'Y', | |
| 'Ῡ' => 'Y','Ὺ' => 'Y','Φ' => 'F','Χ' => 'X','Ψ' => 'P','Ω' => 'O', | |
| 'Ώ' => 'O','Ὠ' => 'O','Ὡ' => 'O','Ὢ' => 'O','Ὣ' => 'O','Ὤ' => 'O', | |
| 'Ὥ' => 'O','Ὦ' => 'O','Ὧ' => 'O','ᾨ' => 'O','ᾩ' => 'O','ᾪ' => 'O', | |
| 'ᾫ' => 'O','ᾬ' => 'O','ᾭ' => 'O','ᾮ' => 'O','ᾯ' => 'O','Ὼ' => 'O', | |
| 'ῼ' => 'O','α' => 'a','ά' => 'a','ἀ' => 'a','ἁ' => 'a','ἂ' => 'a', | |
| 'ἃ' => 'a','ἄ' => 'a','ἅ' => 'a','ἆ' => 'a','ἇ' => 'a','ᾀ' => 'a', | |
| 'ᾁ' => 'a','ᾂ' => 'a','ᾃ' => 'a','ᾄ' => 'a','ᾅ' => 'a','ᾆ' => 'a', | |
| 'ᾇ' => 'a','ὰ' => 'a','ᾰ' => 'a','ᾱ' => 'a','ᾲ' => 'a','ᾳ' => 'a', | |
| 'ᾴ' => 'a','ᾶ' => 'a','ᾷ' => 'a','β' => 'b','γ' => 'g','δ' => 'd', | |
| 'ε' => 'e','έ' => 'e','ἐ' => 'e','ἑ' => 'e','ἒ' => 'e','ἓ' => 'e', | |
| 'ἔ' => 'e','ἕ' => 'e','ὲ' => 'e','ζ' => 'z','η' => 'i','ή' => 'i', | |
| 'ἠ' => 'i','ἡ' => 'i','ἢ' => 'i','ἣ' => 'i','ἤ' => 'i','ἥ' => 'i', | |
| 'ἦ' => 'i','ἧ' => 'i','ᾐ' => 'i','ᾑ' => 'i','ᾒ' => 'i','ᾓ' => 'i', | |
| 'ᾔ' => 'i','ᾕ' => 'i','ᾖ' => 'i','ᾗ' => 'i','ὴ' => 'i','ῂ' => 'i', | |
| 'ῃ' => 'i','ῄ' => 'i','ῆ' => 'i','ῇ' => 'i','θ' => 't','ι' => 'i', | |
| 'ί' => 'i','ϊ' => 'i','ΐ' => 'i','ἰ' => 'i','ἱ' => 'i','ἲ' => 'i', | |
| 'ἳ' => 'i','ἴ' => 'i','ἵ' => 'i','ἶ' => 'i','ἷ' => 'i','ὶ' => 'i', | |
| 'ῐ' => 'i','ῑ' => 'i','ῒ' => 'i','ῖ' => 'i','ῗ' => 'i','κ' => 'k', | |
| 'λ' => 'l','μ' => 'm','ν' => 'n','ξ' => 'k','ο' => 'o','ό' => 'o', | |
| 'ὀ' => 'o','ὁ' => 'o','ὂ' => 'o','ὃ' => 'o','ὄ' => 'o','ὅ' => 'o', | |
| 'ὸ' => 'o','π' => 'p','ρ' => 'r','ῤ' => 'r','ῥ' => 'r','σ' => 's', | |
| 'ς' => 's','τ' => 't','υ' => 'y','ύ' => 'y','ϋ' => 'y','ΰ' => 'y', | |
| 'ὐ' => 'y','ὑ' => 'y','ὒ' => 'y','ὓ' => 'y','ὔ' => 'y','ὕ' => 'y', | |
| 'ὖ' => 'y','ὗ' => 'y','ὺ' => 'y','ῠ' => 'y','ῡ' => 'y','ῢ' => 'y', | |
| 'ῦ' => 'y','ῧ' => 'y','φ' => 'f','χ' => 'x','ψ' => 'p','ω' => 'o', | |
| 'ώ' => 'o','ὠ' => 'o','ὡ' => 'o','ὢ' => 'o','ὣ' => 'o','ὤ' => 'o', | |
| 'ὥ' => 'o','ὦ' => 'o','ὧ' => 'o','ᾠ' => 'o','ᾡ' => 'o','ᾢ' => 'o', | |
| 'ᾣ' => 'o','ᾤ' => 'o','ᾥ' => 'o','ᾦ' => 'o','ᾧ' => 'o','ὼ' => 'o', | |
| 'ῲ' => 'o','ῳ' => 'o','ῴ' => 'o','ῶ' => 'o','ῷ' => 'o','А' => 'A', | |
| 'Б' => 'B','В' => 'V','Г' => 'G','Д' => 'D','Е' => 'E','Ё' => 'E', | |
| 'Ж' => 'Z','З' => 'Z','И' => 'I','Й' => 'I','К' => 'K','Л' => 'L', | |
| 'М' => 'M','Н' => 'N','О' => 'O','П' => 'P','Р' => 'R','С' => 'S', | |
| 'Т' => 'T','У' => 'U','Ф' => 'F','Х' => 'K','Ц' => 'T','Ч' => 'C', | |
| 'Ш' => 'S','Щ' => 'S','Ы' => 'Y','Э' => 'E','Ю' => 'Y','Я' => 'Y', | |
| 'а' => 'A','б' => 'B','в' => 'V','г' => 'G','д' => 'D','е' => 'E', | |
| 'ё' => 'E','ж' => 'Z','з' => 'Z','и' => 'I','й' => 'I','к' => 'K', | |
| 'л' => 'L','м' => 'M','н' => 'N','о' => 'O','п' => 'P','р' => 'R', | |
| 'с' => 'S','т' => 'T','у' => 'U','ф' => 'F','х' => 'K','ц' => 'T', | |
| 'ч' => 'C','ш' => 'S','щ' => 'S','ы' => 'Y','э' => 'E','ю' => 'Y', | |
| 'я' => 'Y','ð' => 'd','Ð' => 'D','þ' => 't','Þ' => 'T','ა' => 'a', | |
| 'ბ' => 'b','გ' => 'g','დ' => 'd','ე' => 'e','ვ' => 'v','ზ' => 'z', | |
| 'თ' => 't','ი' => 'i','კ' => 'k','ლ' => 'l','მ' => 'm','ნ' => 'n', | |
| 'ო' => 'o','პ' => 'p','ჟ' => 'z','რ' => 'r','ს' => 's','ტ' => 't', | |
| 'უ' => 'u','ფ' => 'p','ქ' => 'k','ღ' => 'g','ყ' => 'q','შ' => 's', | |
| 'ჩ' => 'c','ც' => 't','ძ' => 'd','წ' => 't','ჭ' => 'c','ხ' => 'k', | |
| 'ჯ' => 'j','ჰ' => 'h' | |
| ); | |
| $str = str_replace( array_keys( $transliteration ), | |
| array_values( $transliteration ), | |
| $str); | |
| return $str; | |
| } | |
| //- remove_accents() | |
Thank you !
Great function!
However, on lines 19 and 20 it seems odd to check if a function doesn't exist, and if so, call it. That can't work, or am I missing something?
@ghost is right there is a typo there.
- mb_detect_encoding should be called with the strict argument otherwise false positive will incur.
- str_replace can be replaced with strtr
strtr($string, $transliteration)(didn't benchmark that tho). - safer version would be using chr() instead of writing the characters.
From wordpress (they must have face quite some issue):
if (!preg_match('/[\x80-\xff]/', $string)) {
return $string;
}
$chars = [
// Decompositions for Latin-1 Supplement
chr(194).chr(170) => 'a', chr(194).chr(186) => 'o',
chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
chr(195).chr(134) => 'AE',chr(195).chr(135) => 'C',
chr(195).chr(136) => 'E', chr(195).chr(137) => 'E',
chr(195).chr(138) => 'E', chr(195).chr(139) => 'E',
chr(195).chr(140) => 'I', chr(195).chr(141) => 'I',
chr(195).chr(142) => 'I', chr(195).chr(143) => 'I',
chr(195).chr(144) => 'D', chr(195).chr(145) => 'N',
chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
chr(195).chr(158) => 'TH',chr(195).chr(159) => 's',
chr(195).chr(160) => 'a', chr(195).chr(161) => 'a',
chr(195).chr(162) => 'a', chr(195).chr(163) => 'a',
chr(195).chr(164) => 'a', chr(195).chr(165) => 'a',
chr(195).chr(166) => 'ae',chr(195).chr(167) => 'c',
chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
chr(195).chr(176) => 'd', chr(195).chr(177) => 'n',
chr(195).chr(178) => 'o', chr(195).chr(179) => 'o',
chr(195).chr(180) => 'o', chr(195).chr(181) => 'o',
chr(195).chr(182) => 'o', chr(195).chr(184) => 'o',
chr(195).chr(185) => 'u', chr(195).chr(186) => 'u',
chr(195).chr(187) => 'u', chr(195).chr(188) => 'u',
chr(195).chr(189) => 'y', chr(195).chr(190) => 'th',
chr(195).chr(191) => 'y', chr(195).chr(152) => 'O',
// Decompositions for Latin Extended-A
chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
chr(196).chr(132) => 'A', chr(196).chr(133) => 'a',
chr(196).chr(134) => 'C', chr(196).chr(135) => 'c',
chr(196).chr(136) => 'C', chr(196).chr(137) => 'c',
chr(196).chr(138) => 'C', chr(196).chr(139) => 'c',
chr(196).chr(140) => 'C', chr(196).chr(141) => 'c',
chr(196).chr(142) => 'D', chr(196).chr(143) => 'd',
chr(196).chr(144) => 'D', chr(196).chr(145) => 'd',
chr(196).chr(146) => 'E', chr(196).chr(147) => 'e',
chr(196).chr(148) => 'E', chr(196).chr(149) => 'e',
chr(196).chr(150) => 'E', chr(196).chr(151) => 'e',
chr(196).chr(152) => 'E', chr(196).chr(153) => 'e',
chr(196).chr(154) => 'E', chr(196).chr(155) => 'e',
chr(196).chr(156) => 'G', chr(196).chr(157) => 'g',
chr(196).chr(158) => 'G', chr(196).chr(159) => 'g',
chr(196).chr(160) => 'G', chr(196).chr(161) => 'g',
chr(196).chr(162) => 'G', chr(196).chr(163) => 'g',
chr(196).chr(164) => 'H', chr(196).chr(165) => 'h',
chr(196).chr(166) => 'H', chr(196).chr(167) => 'h',
chr(196).chr(168) => 'I', chr(196).chr(169) => 'i',
chr(196).chr(170) => 'I', chr(196).chr(171) => 'i',
chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
chr(196).chr(186) => 'l', chr(196).chr(187) => 'L',
chr(196).chr(188) => 'l', chr(196).chr(189) => 'L',
chr(196).chr(190) => 'l', chr(196).chr(191) => 'L',
chr(197).chr(128) => 'l', chr(197).chr(129) => 'L',
chr(197).chr(130) => 'l', chr(197).chr(131) => 'N',
chr(197).chr(132) => 'n', chr(197).chr(133) => 'N',
chr(197).chr(134) => 'n', chr(197).chr(135) => 'N',
chr(197).chr(136) => 'n', chr(197).chr(137) => 'N',
chr(197).chr(138) => 'n', chr(197).chr(139) => 'N',
chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
chr(197).chr(166) => 'T', chr(197).chr(167) => 't',
chr(197).chr(168) => 'U', chr(197).chr(169) => 'u',
chr(197).chr(170) => 'U', chr(197).chr(171) => 'u',
chr(197).chr(172) => 'U', chr(197).chr(173) => 'u',
chr(197).chr(174) => 'U', chr(197).chr(175) => 'u',
chr(197).chr(176) => 'U', chr(197).chr(177) => 'u',
chr(197).chr(178) => 'U', chr(197).chr(179) => 'u',
chr(197).chr(180) => 'W', chr(197).chr(181) => 'w',
chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y',
chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z',
chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
// Decompositions for Latin Extended-B
chr(200).chr(152) => 'S', chr(200).chr(153) => 's',
chr(200).chr(154) => 'T', chr(200).chr(155) => 't',
// Euro Sign
chr(226).chr(130).chr(172) => 'E',
// GBP (Pound) Sign
chr(194).chr(163) => '',
// Vowels with diacritic (Vietnamese)
// unmarked
chr(198).chr(160) => 'O', chr(198).chr(161) => 'o',
chr(198).chr(175) => 'U', chr(198).chr(176) => 'u',
// grave accent
chr(225).chr(186).chr(166) => 'A', chr(225).chr(186).chr(167) => 'a',
chr(225).chr(186).chr(176) => 'A', chr(225).chr(186).chr(177) => 'a',
chr(225).chr(187).chr(128) => 'E', chr(225).chr(187).chr(129) => 'e',
chr(225).chr(187).chr(146) => 'O', chr(225).chr(187).chr(147) => 'o',
chr(225).chr(187).chr(156) => 'O', chr(225).chr(187).chr(157) => 'o',
chr(225).chr(187).chr(170) => 'U', chr(225).chr(187).chr(171) => 'u',
chr(225).chr(187).chr(178) => 'Y', chr(225).chr(187).chr(179) => 'y',
// hook
chr(225).chr(186).chr(162) => 'A', chr(225).chr(186).chr(163) => 'a',
chr(225).chr(186).chr(168) => 'A', chr(225).chr(186).chr(169) => 'a',
chr(225).chr(186).chr(178) => 'A', chr(225).chr(186).chr(179) => 'a',
chr(225).chr(186).chr(186) => 'E', chr(225).chr(186).chr(187) => 'e',
chr(225).chr(187).chr(130) => 'E', chr(225).chr(187).chr(131) => 'e',
chr(225).chr(187).chr(136) => 'I', chr(225).chr(187).chr(137) => 'i',
chr(225).chr(187).chr(142) => 'O', chr(225).chr(187).chr(143) => 'o',
chr(225).chr(187).chr(148) => 'O', chr(225).chr(187).chr(149) => 'o',
chr(225).chr(187).chr(158) => 'O', chr(225).chr(187).chr(159) => 'o',
chr(225).chr(187).chr(166) => 'U', chr(225).chr(187).chr(167) => 'u',
chr(225).chr(187).chr(172) => 'U', chr(225).chr(187).chr(173) => 'u',
chr(225).chr(187).chr(182) => 'Y', chr(225).chr(187).chr(183) => 'y',
// tilde
chr(225).chr(186).chr(170) => 'A', chr(225).chr(186).chr(171) => 'a',
chr(225).chr(186).chr(180) => 'A', chr(225).chr(186).chr(181) => 'a',
chr(225).chr(186).chr(188) => 'E', chr(225).chr(186).chr(189) => 'e',
chr(225).chr(187).chr(132) => 'E', chr(225).chr(187).chr(133) => 'e',
chr(225).chr(187).chr(150) => 'O', chr(225).chr(187).chr(151) => 'o',
chr(225).chr(187).chr(160) => 'O', chr(225).chr(187).chr(161) => 'o',
chr(225).chr(187).chr(174) => 'U', chr(225).chr(187).chr(175) => 'u',
chr(225).chr(187).chr(184) => 'Y', chr(225).chr(187).chr(185) => 'y',
// acute accent
chr(225).chr(186).chr(164) => 'A', chr(225).chr(186).chr(165) => 'a',
chr(225).chr(186).chr(174) => 'A', chr(225).chr(186).chr(175) => 'a',
chr(225).chr(186).chr(190) => 'E', chr(225).chr(186).chr(191) => 'e',
chr(225).chr(187).chr(144) => 'O', chr(225).chr(187).chr(145) => 'o',
chr(225).chr(187).chr(154) => 'O', chr(225).chr(187).chr(155) => 'o',
chr(225).chr(187).chr(168) => 'U', chr(225).chr(187).chr(169) => 'u',
// dot below
chr(225).chr(186).chr(160) => 'A', chr(225).chr(186).chr(161) => 'a',
chr(225).chr(186).chr(172) => 'A', chr(225).chr(186).chr(173) => 'a',
chr(225).chr(186).chr(182) => 'A', chr(225).chr(186).chr(183) => 'a',
chr(225).chr(186).chr(184) => 'E', chr(225).chr(186).chr(185) => 'e',
chr(225).chr(187).chr(134) => 'E', chr(225).chr(187).chr(135) => 'e',
chr(225).chr(187).chr(138) => 'I', chr(225).chr(187).chr(139) => 'i',
chr(225).chr(187).chr(140) => 'O', chr(225).chr(187).chr(141) => 'o',
chr(225).chr(187).chr(152) => 'O', chr(225).chr(187).chr(153) => 'o',
chr(225).chr(187).chr(162) => 'O', chr(225).chr(187).chr(163) => 'o',
chr(225).chr(187).chr(164) => 'U', chr(225).chr(187).chr(165) => 'u',
chr(225).chr(187).chr(176) => 'U', chr(225).chr(187).chr(177) => 'u',
chr(225).chr(187).chr(180) => 'Y', chr(225).chr(187).chr(181) => 'y',
// Vowels with diacritic (Chinese, Hanyu Pinyin)
chr(201).chr(145) => 'a',
// macron
chr(199).chr(149) => 'U', chr(199).chr(150) => 'u',
// acute accent
chr(199).chr(151) => 'U', chr(199).chr(152) => 'u',
// caron
chr(199).chr(141) => 'A', chr(199).chr(142) => 'a',
chr(199).chr(143) => 'I', chr(199).chr(144) => 'i',
chr(199).chr(145) => 'O', chr(199).chr(146) => 'o',
chr(199).chr(147) => 'U', chr(199).chr(148) => 'u',
chr(199).chr(153) => 'U', chr(199).chr(154) => 'u',
// grave accent
chr(199).chr(155) => 'U', chr(199).chr(156) => 'u',
];
$string = strtr($string, $chars);
@ludofleury I just noticed that your version didn't work for Greek characters
e.g Γεια σου κόσμε is expected to come out as Geia soy kosme
That functionality would be helpful for a search engine implementation.
thanks !! great function
I found this function in this blog http://jike.in/?qa=456827/string-how-to-replace-special-characters-with-the-ones-theyre-based-on-in-php
It seems that do what it needs to do with accents
function Unaccent($string)
{
return preg_replace('~&([a-z]{1,2})(acute|cedil|circ|grave|lig|orn|ring|slash|th|tilde|uml);~i', '$1', htmlentities($string, ENT_QUOTES, 'UTF-8'));
}
thx
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Nice transliteration source.