[wp-trac] [WordPress Trac] #44906: Include greek accent characters on "remove_accents" function
WordPress Trac
noreply at wordpress.org
Thu Sep 6 19:53:57 UTC 2018
#44906: Include greek accent characters on "remove_accents" function
-------------------------+-----------------------------
Reporter: papazetis | Owner: (none)
Type: enhancement | Status: new
Priority: normal | Milestone: Awaiting Review
Component: Formatting | Version: 4.9.8
Severity: normal | Keywords:
Focuses: |
-------------------------+-----------------------------
Hi,
I extended the "remove_accents" function to support greek accents.
If you wish you can add it in core.
I have just added greek characters after:
{{{#!php
elseif ( 'el' == $locale ) {
}}}
Thanks
{{{#!php
<?php
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',
);
// Used for locale-specific rules
$locale = get_locale();
if ( 'de_DE' == $locale || 'de_DE_formal' == $locale || 'de_CH' ==
$locale || 'de_CH_informal' == $locale ) {
$chars[ 'Ä' ] = 'Ae';
$chars[ 'ä' ] = 'ae';
$chars[ 'Ö' ] = 'Oe';
$chars[ 'ö' ] = 'oe';
$chars[ 'Ü' ] = 'Ue';
$chars[ 'ü' ] = 'ue';
$chars[ 'ß' ] = 'ss';
} elseif ( 'da_DK' === $locale ) {
$chars[ 'Æ' ] = 'Ae';
$chars[ 'æ' ] = 'ae';
$chars[ 'Ø' ] = 'Oe';
$chars[ 'ø' ] = 'oe';
$chars[ 'Å' ] = 'Aa';
$chars[ 'å' ] = 'aa';
} elseif ( 'ca' === $locale ) {
$chars[ 'l·l' ] = 'll';
} elseif ( 'sr_RS' === $locale || 'bs_BA' === $locale ) {
$chars[ 'Đ' ] = 'DJ';
$chars[ 'đ' ] = 'dj';
} elseif ( 'el' == $locale ) {
$chars[ 'Ά' ] = 'Α';
$chars[ 'ά' ] = 'α';
$chars[ 'Έ' ] = 'Ε';
$chars[ 'έ' ] = 'α';
$chars[ 'Ί' ] = 'Ι';
$chars[ 'ί' ] = 'ι';
$chars[ 'ΐ' ] = 'ϊ';
$chars[ 'Ύ' ] = 'Υ';
$chars[ 'ύ' ] = 'υ';
$chars[ 'ΰ' ] = 'ϋ';
$chars[ 'Ή' ] = 'Η';
$chars[ 'ή' ] = 'η';
$chars[ 'Ό' ] = 'Ο';
$chars[ 'ό' ] = 'ο';
$chars[ 'Ώ' ] = 'Ω';
$chars[ 'ώ' ] = 'ω';
}
$string = strtr($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;
}
}}}
--
Ticket URL: <https://core.trac.wordpress.org/ticket/44906>
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