Replacing accented characters php
I am trying to replace accented characters with the normal replacements. Below is what I am currently doing.
$string = \"Éric Cantona\";
$strict = st
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As an alternative (a bit more complex in nature through), have a look at how wordpress does accent removal. Made some changes below to make it run independently without referencing wordpress functions.
function mbstring_binary_safe_encoding($reset = false) { static $encodings = array(); static $overloaded = null; if (is_null($overloaded)) { $overloaded = function_exists('mb_internal_encoding') && (ini_get('mbstring.func_overload') & 2); } if (false === $overloaded) { return; } if (!$reset) { $encoding = mb_internal_encoding(); array_push($encodings, $encoding); mb_internal_encoding('ISO-8859-1'); } if ($reset && $encodings) { $encoding = array_pop($encodings); mb_internal_encoding($encoding); } } function seems_utf8($str) { mbstring_binary_safe_encoding(); $length = strlen($str); mbstring_binary_safe_encoding(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[$i]) & 0xC0) != 0x80)) { return false; } } } return true; } function remove_accents($string) { if (!preg_match('/[\x80-\xff]/', $string)) { return $string; } if (seems_utf8($string)) { $chars = array( // Decompositions for Latin-1 Supplement 'ª' => 'a', 'º' => 'o', 'À' => 'A', 'Á' => 'A', 'Â' => 'A', 'Ã' => 'A', 'Ä' => 'A', 'Å' => 'A', 'Æ' => 'AE', 'Ç' => 'C', 'È' => 'E', 'É' => 'E', 'Ê' => 'E', 'Ë' => 'E', 'Ì' => 'I', 'Í' => 'I', 'Î' => 'I', 'Ï' => 'I', 'Ð' => 'D', 'Ñ' => 'N', 'Ò' => 'O', 'Ó' => 'O', 'Ô' => 'O', 'Õ' => 'O', 'Ö' => 'O', 'Ù' => 'U', 'Ú' => 'U', 'Û' => 'U', 'Ü' => 'U', 'Ý' => 'Y', 'Þ' => 'TH', 'ß' => 's', 'à' => 'a', 'á' => 'a', 'â' => 'a', 'ã' => 'a', 'ä' => 'a', 'å' => 'a', 'æ' => 'ae', 'ç' => 'c', 'è' => 'e', 'é' => 'e', 'ê' => 'e', 'ë' => 'e', 'ì' => 'i', 'í' => 'i', 'î' => 'i', 'ï' => 'i', 'ð' => 'd', 'ñ' => 'n', 'ò' => 'o', 'ó' => 'o', 'ô' => 'o', 'õ' => 'o', 'ö' => 'o', 'ø' => 'o', 'ù' => 'u', 'ú' => 'u', 'û' => 'u', 'ü' => 'u', 'ý' => 'y', 'þ' => 'th', 'ÿ' => 'y', 'Ø' => 'O', // Decompositions for Latin Extended-A 'Ā' => 'A', 'ā' => 'a', 'Ă' => 'A', 'ă' => 'a', 'Ą' => 'A', 'ą' => 'a', 'Ć' => 'C', 'ć' => 'c', 'Ĉ' => 'C', 'ĉ' => 'c', 'Ċ' => 'C', 'ċ' => 'c', 'Č' => 'C', 'č' => 'c', 'Ď' => 'D', 'ď' => 'd', 'Đ' => 'D', 'đ' => 'd', 'Ē' => 'E', 'ē' => 'e', 'Ĕ' => 'E', 'ĕ' => 'e', 'Ė' => 'E', 'ė' => 'e', 'Ę' => 'E', 'ę' => 'e', 'Ě' => 'E', 'ě' => 'e', 'Ĝ' => 'G', 'ĝ' => 'g', 'Ğ' => 'G', 'ğ' => 'g', 'Ġ' => 'G', 'ġ' => 'g', 'Ģ' => 'G', 'ģ' => 'g', 'Ĥ' => 'H', 'ĥ' => 'h', 'Ħ' => 'H', 'ħ' => 'h', 'Ĩ' => 'I', 'ĩ' => 'i', 'Ī' => 'I', 'ī' => 'i', 'Ĭ' => 'I', 'ĭ' => 'i', 'Į' => 'I', 'į' => 'i', 'İ' => 'I', 'ı' => 'i', 'IJ' => 'IJ', 'ij' => 'ij', 'Ĵ' => 'J', 'ĵ' => 'j', 'Ķ' => 'K', 'ķ' => 'k', 'ĸ' => 'k', 'Ĺ' => 'L', 'ĺ' => 'l', 'Ļ' => 'L', 'ļ' => 'l', 'Ľ' => 'L', 'ľ' => 'l', 'Ŀ' => 'L', 'ŀ' => 'l', 'Ł' => 'L', 'ł' => 'l', 'Ń' => 'N', 'ń' => 'n', 'Ņ' => 'N', 'ņ' => 'n', 'Ň' => 'N', 'ň' => 'n', 'ʼn' => 'n', 'Ŋ' => 'N', 'ŋ' => 'n', 'Ō' => 'O', 'ō' => 'o', 'Ŏ' => 'O', 'ŏ' => 'o', 'Ő' => 'O', 'ő' => 'o', 'Œ' => 'OE', 'œ' => 'oe', 'Ŕ' => 'R', 'ŕ' => 'r', 'Ŗ' => 'R', 'ŗ' => 'r', 'Ř' => 'R', 'ř' => 'r', 'Ś' => 'S', 'ś' => 's', 'Ŝ' => 'S', 'ŝ' => 's', 'Ş' => 'S', 'ş' => 's', 'Š' => 'S', 'š' => 's', 'Ţ' => 'T', 'ţ' => 't', 'Ť' => 'T', 'ť' => 't', 'Ŧ' => 'T', 'ŧ' => 't', 'Ũ' => 'U', 'ũ' => 'u', 'Ū' => 'U', 'ū' => 'u', 'Ŭ' => 'U', 'ŭ' => 'u', 'Ů' => 'U', 'ů' => 'u', 'Ű' => 'U', 'ű' => 'u', 'Ų' => 'U', 'ų' => 'u', 'Ŵ' => 'W', 'ŵ' => 'w', 'Ŷ' => 'Y', 'ŷ' => 'y', 'Ÿ' => 'Y', 'Ź' => 'Z', 'ź' => 'z', 'Ż' => 'Z', 'ż' => 'z', 'Ž' => 'Z', 'ž' => 'z', 'ſ' => 's', // Decompositions for Latin Extended-B 'Ș' => 'S', 'ș' => 's', 'Ț' => 'T', 'ț' => 't', // Euro Sign '€' => 'E', // GBP (Pound) Sign '£' => '', // Vowels with diacritic (Vietnamese) // unmarked 'Ơ' => 'O', 'ơ' => 'o', 'Ư' => 'U', 'ư' => 'u', // grave accent 'Ầ' => 'A', 'ầ' => 'a', 'Ằ' => 'A', 'ằ' => 'a', 'Ề' => 'E', 'ề' => 'e', 'Ồ' => 'O', 'ồ' => 'o', 'Ờ' => 'O', 'ờ' => 'o', 'Ừ' => 'U', 'ừ' => 'u', 'Ỳ' => 'Y', 'ỳ' => 'y', // hook 'Ả' => 'A', 'ả' => 'a', 'Ẩ' => 'A', 'ẩ' => 'a', 'Ẳ' => 'A', 'ẳ' => 'a', 'Ẻ' => 'E', 'ẻ' => 'e', 'Ể' => 'E', 'ể' => 'e', 'Ỉ' => 'I', 'ỉ' => 'i', 'Ỏ' => 'O', 'ỏ' => 'o', 'Ổ' => 'O', 'ổ' => 'o', 'Ở' => 'O', 'ở' => 'o', 'Ủ' => 'U', 'ủ' => 'u', 'Ử' => 'U', 'ử' => 'u', 'Ỷ' => 'Y', 'ỷ' => 'y', // tilde 'Ẫ' => 'A', 'ẫ' => 'a', 'Ẵ' => 'A', 'ẵ' => 'a', 'Ẽ' => 'E', 'ẽ' => 'e', 'Ễ' => 'E', 'ễ' => 'e', 'Ỗ' => 'O', 'ỗ' => 'o', 'Ỡ' => 'O', 'ỡ' => 'o', 'Ữ' => 'U', 'ữ' => 'u', 'Ỹ' => 'Y', 'ỹ' => 'y', // acute accent 'Ấ' => 'A', 'ấ' => 'a', 'Ắ' => 'A', 'ắ' => 'a', 'Ế' => 'E', 'ế' => 'e', 'Ố' => 'O', 'ố' => 'o', 'Ớ' => 'O', 'ớ' => 'o', 'Ứ' => 'U', 'ứ' => 'u', // dot below 'Ạ' => 'A', 'ạ' => 'a', 'Ậ' => 'A', 'ậ' => 'a', 'Ặ' => 'A', 'ặ' => 'a', 'Ẹ' => 'E', 'ẹ' => 'e', 'Ệ' => 'E', 'ệ' => 'e', 'Ị' => 'I', 'ị' => 'i', 'Ọ' => 'O', 'ọ' => 'o', 'Ộ' => 'O', 'ộ' => 'o', 'Ợ' => 'O', 'ợ' => 'o', 'Ụ' => 'U', 'ụ' => 'u', 'Ự' => 'U', 'ự' => 'u', 'Ỵ' => 'Y', 'ỵ' => 'y', // Vowels with diacritic (Chinese, Hanyu Pinyin) 'ɑ' => 'a', // macron 'Ǖ' => 'U', 'ǖ' => 'u', // acute accent 'Ǘ' => 'U', 'ǘ' => 'u', // caron 'Ǎ' => 'A', 'ǎ' => 'a', 'Ǐ' => 'I', 'ǐ' => 'i', 'Ǒ' => 'O', 'ǒ' => 'o', 'Ǔ' => 'U', 'ǔ' => 'u', 'Ǚ' => 'U', 'ǚ' => 'u', // grave accent 'Ǜ' => 'U', 'ǜ' => 'u', ); $string = strtr($string, $chars); } else { $chars = array(); // Assume ISO-8859-1 if not UTF-8 $chars['in'] = "\x80\x83\x8a\x8e\x9a\x9e" . "\x9f\xa2\xa5\xb5\xc0\xc1\xc2" . "\xc3\xc4\xc5\xc7\xc8\xc9\xca" . "\xcb\xcc\xcd\xce\xcf\xd1\xd2" . "\xd3\xd4\xd5\xd6\xd8\xd9\xda" . "\xdb\xdc\xdd\xe0\xe1\xe2\xe3" . "\xe4\xe5\xe7\xe8\xe9\xea\xeb" . "\xec\xed\xee\xef\xf1\xf2\xf3" . "\xf4\xf5\xf6\xf8\xf9\xfa\xfb" . "\xfc\xfd\xff"; $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; $string = strtr($string, $chars['in'], $chars['out']); $double_chars = array(); $double_chars['in'] = array("\x8c", "\x9c", "\xc6", "\xd0", "\xde", "\xdf", "\xe6", "\xf0", "\xfe"); $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); $string = str_replace($double_chars['in'], $double_chars['out'], $string); } return $string; }
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