Question

remove_accents( string $string )

Converts all accent characters to ASCII characters.

---

description

If there are no accent characters, then the string given is just returned.

Accent characters converted:

Currency signs:

Code	Glyph	Replacement	description
U+00A3	£	(empty)	British Pound sign
U+20AC	€	E	Euro sign

Decompositions for Latin-1 Supplement:

Code	Glyph	Replacement	description
U+00AA	ª	a	Feminine ordinal indicator
U+00BA	º	o	Masculine ordinal indicator
U+00C0	À	A	Latin capital letter A with grave
U+00C1	Á	A	Latin capital letter A with acute
U+00C2	Â	A	Latin capital letter A with circumflex
U+00C3	Ã	A	Latin capital letter A with tilde
U+00C4	Ä	A	Latin capital letter A with diaeresis
U+00C5	Å	A	Latin capital letter A with ring above
U+00C6	Æ	AE	Latin capital letter AE
U+00C7	Ç	C	Latin capital letter C with cedilla
U+00C8	È	E	Latin capital letter E with grave
U+00C9	É	E	Latin capital letter E with acute
U+00CA	Ê	E	Latin capital letter E with circumflex
U+00CB	Ë	E	Latin capital letter E with diaeresis
U+00CC	Ì	I	Latin capital letter I with grave
U+00CD	Í	I	Latin capital letter I with acute
U+00CE	Î	I	Latin capital letter I with circumflex
U+00CF	Ï	I	Latin capital letter I with diaeresis
U+00D0	Ð	D	Latin capital letter Eth
U+00D1	Ñ	N	Latin capital letter N with tilde
U+00D2	Ò	O	Latin capital letter O with grave
U+00D3	Ó	O	Latin capital letter O with acute
U+00D4	Ô	O	Latin capital letter O with circumflex
U+00D5	Õ	O	Latin capital letter O with tilde
U+00D6	Ö	O	Latin capital letter O with diaeresis
U+00D8	Ø	O	Latin capital letter O with stroke
U+00D9	Ù	U	Latin capital letter U with grave
U+00DA	Ú	U	Latin capital letter U with acute
U+00DB	Û	U	Latin capital letter U with circumflex
U+00DC	Ü	U	Latin capital letter U with diaeresis
U+00DD	Ý	Y	Latin capital letter Y with acute
U+00DE	Þ	TH	Latin capital letter Thorn
U+00DF	ß	s	Latin small letter sharp s
U+00E0	à	a	Latin small letter a with grave
U+00E1	á	a	Latin small letter a with acute
U+00E2	â	a	Latin small letter a with circumflex
U+00E3	ã	a	Latin small letter a with tilde
U+00E4	ä	a	Latin small letter a with diaeresis
U+00E5	å	a	Latin small letter a with ring above
U+00E6	æ	ae	Latin small letter ae
U+00E7	ç	c	Latin small letter c with cedilla
U+00E8	è	e	Latin small letter e with grave
U+00E9	é	e	Latin small letter e with acute
U+00EA	ê	e	Latin small letter e with circumflex
U+00EB	ë	e	Latin small letter e with diaeresis
U+00EC	ì	i	Latin small letter i with grave
U+00ED	í	i	Latin small letter i with acute
U+00EE	î	i	Latin small letter i with circumflex
U+00EF	ï	i	Latin small letter i with diaeresis
U+00F0	ð	d	Latin small letter Eth
U+00F1	ñ	n	Latin small letter n with tilde
U+00F2	ò	o	Latin small letter o with grave
U+00F3	ó	o	Latin small letter o with acute
U+00F4	ô	o	Latin small letter o with circumflex
U+00F5	õ	o	Latin small letter o with tilde
U+00F6	ö	o	Latin small letter o with diaeresis
U+00F8	ø	o	Latin small letter o with stroke
U+00F9	ù	u	Latin small letter u with grave
U+00FA	ú	u	Latin small letter u with acute
U+00FB	û	u	Latin small letter u with circumflex
U+00FC	ü	u	Latin small letter u with diaeresis
U+00FD	ý	y	Latin small letter y with acute
U+00FE	þ	th	Latin small letter Thorn
U+00FF	ÿ	y	Latin small letter y with diaeresis

Decompositions for Latin Extended-A:

Code	Glyph	Replacement	description
U+0100	Ā	A	Latin capital letter A with macron
U+0101	ā	a	Latin small letter a with macron
U+0102	Ă	A	Latin capital letter A with breve
U+0103	ă	a	Latin small letter a with breve
U+0104	Ą	A	Latin capital letter A with ogonek
U+0105	ą	a	Latin small letter a with ogonek
U+01006	Ć	C	Latin capital letter C with acute
U+0107	ć	c	Latin small letter c with acute
U+0108	Ĉ	C	Latin capital letter C with circumflex
U+0109	ĉ	c	Latin small letter c with circumflex
U+010A	Ċ	C	Latin capital letter C with dot above
U+010B	ċ	c	Latin small letter c with dot above
U+010C	Č	C	Latin capital letter C with caron
U+010D	č	c	Latin small letter c with caron
U+010E	Ď	D	Latin capital letter D with caron
U+010F	ď	d	Latin small letter d with caron
U+0110	Đ	D	Latin capital letter D with stroke
U+0111	đ	d	Latin small letter d with stroke
U+0112	Ē	E	Latin capital letter E with macron
U+0113	ē	e	Latin small letter e with macron
U+0114	Ĕ	E	Latin capital letter E with breve
U+0115	ĕ	e	Latin small letter e with breve
U+0116	Ė	E	Latin capital letter E with dot above
U+0117	ė	e	Latin small letter e with dot above
U+0118	Ę	E	Latin capital letter E with ogonek
U+0119	ę	e	Latin small letter e with ogonek
U+011A	Ě	E	Latin capital letter E with caron
U+011B	ě	e	Latin small letter e with caron
U+011C	Ĝ	G	Latin capital letter G with circumflex
U+011D	ĝ	g	Latin small letter g with circumflex
U+011E	Ğ	G	Latin capital letter G with breve
U+011F	ğ	g	Latin small letter g with breve
U+0120	Ġ	G	Latin capital letter G with dot above
U+0121	ġ	g	Latin small letter g with dot above
U+0122	Ģ	G	Latin capital letter G with cedilla
U+0123	ģ	g	Latin small letter g with cedilla
U+0124	Ĥ	H	Latin capital letter H with circumflex
U+0125	ĥ	h	Latin small letter h with circumflex
U+0126	Ħ	H	Latin capital letter H with stroke
U+0127	ħ	h	Latin small letter h with stroke
U+0128	Ĩ	I	Latin capital letter I with tilde
U+0129	ĩ	i	Latin small letter i with tilde
U+012A	Ī	I	Latin capital letter I with macron
U+012B	ī	i	Latin small letter i with macron
U+012C	Ĭ	I	Latin capital letter I with breve
U+012D	ĭ	i	Latin small letter i with breve
U+012E	Į	I	Latin capital letter I with ogonek
U+012F	į	i	Latin small letter i with ogonek
U+0130	İ	I	Latin capital letter I with dot above
U+0131	ı	i	Latin small letter dotless i
U+0132	IJ	IJ	Latin capital ligature IJ
U+0133	ij	ij	Latin small ligature ij
U+0134	Ĵ	J	Latin capital letter J with circumflex
U+0135	ĵ	j	Latin small letter j with circumflex
U+0136	Ķ	K	Latin capital letter K with cedilla
U+0137	ķ	k	Latin small letter k with cedilla
U+0138	ĸ	k	Latin small letter Kra
U+0139	Ĺ	L	Latin capital letter L with acute
U+013A	ĺ	l	Latin small letter l with acute
U+013B	Ļ	L	Latin capital letter L with cedilla
U+013C	ļ	l	Latin small letter l with cedilla
U+013D	Ľ	L	Latin capital letter L with caron
U+013E	ľ	l	Latin small letter l with caron
U+013F	Ŀ	L	Latin capital letter L with middle dot
U+0140	ŀ	l	Latin small letter l with middle dot
U+0141	Ł	L	Latin capital letter L with stroke
U+0142	ł	l	Latin small letter l with stroke
U+0143	Ń	N	Latin capital letter N with acute
U+0144	ń	n	Latin small letter N with acute
U+0145	Ņ	N	Latin capital letter N with cedilla
U+0146	ņ	n	Latin small letter n with cedilla
U+0147	Ň	N	Latin capital letter N with caron
U+0148	ň	n	Latin small letter n with caron
U+0149	ʼn	n	Latin small letter n preceded by apostrophe
U+014A	Ŋ	N	Latin capital letter Eng
U+014B	ŋ	n	Latin small letter Eng
U+014C	Ō	O	Latin capital letter O with macron
U+014D	ō	o	Latin small letter o with macron
U+014E	Ŏ	O	Latin capital letter O with breve
U+014F	ŏ	o	Latin small letter o with breve
U+0150	Ő	O	Latin capital letter O with double acute
U+0151	ő	o	Latin small letter o with double acute
U+0152	Œ	OE	Latin capital ligature OE
U+0153	œ	oe	Latin small ligature oe
U+0154	Ŕ	R	Latin capital letter R with acute
U+0155	ŕ	r	Latin small letter r with acute
U+0156	Ŗ	R	Latin capital letter R with cedilla
U+0157	ŗ	r	Latin small letter r with cedilla
U+0158	Ř	R	Latin capital letter R with caron
U+0159	ř	r	Latin small letter r with caron
U+015A	Ś	S	Latin capital letter S with acute
U+015B	ś	s	Latin small letter s with acute
U+015C	Ŝ	S	Latin capital letter S with circumflex
U+015D	ŝ	s	Latin small letter s with circumflex
U+015E	Ş	S	Latin capital letter S with cedilla
U+015F	ş	s	Latin small letter s with cedilla
U+0160	Š	S	Latin capital letter S with caron
U+0161	š	s	Latin small letter s with caron
U+0162	Ţ	T	Latin capital letter T with cedilla
U+0163	ţ	t	Latin small letter t with cedilla
U+0164	Ť	T	Latin capital letter T with caron
U+0165	ť	t	Latin small letter t with caron
U+0166	Ŧ	T	Latin capital letter T with stroke
U+0167	ŧ	t	Latin small letter t with stroke
U+0168	Ũ	U	Latin capital letter U with tilde
U+0169	ũ	u	Latin small letter u with tilde
U+016A	Ū	U	Latin capital letter U with macron
U+016B	ū	u	Latin small letter u with macron
U+016C	Ŭ	U	Latin capital letter U with breve
U+016D	ŭ	u	Latin small letter u with breve
U+016E	Ů	U	Latin capital letter U with ring above
U+016F	ů	u	Latin small letter u with ring above
U+0170	Ű	U	Latin capital letter U with double acute
U+0171	ű	u	Latin small letter u with double acute
U+0172	Ų	U	Latin capital letter U with ogonek
U+0173	ų	u	Latin small letter u with ogonek
U+0174	Ŵ	W	Latin capital letter W with circumflex
U+0175	ŵ	w	Latin small letter w with circumflex
U+0176	Ŷ	Y	Latin capital letter Y with circumflex
U+0177	ŷ	y	Latin small letter y with circumflex
U+0178	Ÿ	Y	Latin capital letter Y with diaeresis
U+0179	Ź	Z	Latin capital letter Z with acute
U+017A	ź	z	Latin small letter z with acute
U+017B	Ż	Z	Latin capital letter Z with dot above
U+017C	ż	z	Latin small letter z with dot above
U+017D	Ž	Z	Latin capital letter Z with caron
U+017E	ž	z	Latin small letter z with caron
U+017F	ſ	s	Latin small letter long s
U+01A0	Ơ	O	Latin capital letter O with horn
U+01A1	ơ	o	Latin small letter o with horn
U+01AF	Ư	U	Latin capital letter U with horn
U+01B0	ư	u	Latin small letter u with horn
U+01CD	Ǎ	A	Latin capital letter A with caron
U+01CE	ǎ	a	Latin small letter a with caron
U+01CF	Ǐ	I	Latin capital letter I with caron
U+01D0	ǐ	i	Latin small letter i with caron
U+01D1	Ǒ	O	Latin capital letter O with caron
U+01D2	ǒ	o	Latin small letter o with caron
U+01D3	Ǔ	U	Latin capital letter U with caron
U+01D4	ǔ	u	Latin small letter u with caron
U+01D5	Ǖ	U	Latin capital letter U with diaeresis and macron
U+01D6	ǖ	u	Latin small letter u with diaeresis and macron
U+01D7	Ǘ	U	Latin capital letter U with diaeresis and acute
U+01D8	ǘ	u	Latin small letter u with diaeresis and acute
U+01D9	Ǚ	U	Latin capital letter U with diaeresis and caron
U+01DA	ǚ	u	Latin small letter u with diaeresis and caron
U+01DB	Ǜ	U	Latin capital letter U with diaeresis and grave
U+01DC	ǜ	u	Latin small letter u with diaeresis and grave

Decompositions for Latin Extended-B:

Code	Glyph	Replacement	description
U+0218	Ș	S	Latin capital letter S with comma below
U+0219	ș	s	Latin small letter s with comma below
U+021A	Ț	T	Latin capital letter T with comma below
U+021B	ț	t	Latin small letter t with comma below

Vowels with diacritic (Chinese, Hanyu Pinyin):

Code	Glyph	Replacement	description
U+0251	ɑ	a	Latin small letter alpha
U+1EA0	Ạ	A	Latin capital letter A with dot below
U+1EA1	ạ	a	Latin small letter a with dot below
U+1EA2	Ả	A	Latin capital letter A with hook above
U+1EA3	ả	a	Latin small letter a with hook above
U+1EA4	Ấ	A	Latin capital letter A with circumflex and acute
U+1EA5	ấ	a	Latin small letter a with circumflex and acute
U+1EA6	Ầ	A	Latin capital letter A with circumflex and grave
U+1EA7	ầ	a	Latin small letter a with circumflex and grave
U+1EA8	Ẩ	A	Latin capital letter A with circumflex and hook above
U+1EA9	ẩ	a	Latin small letter a with circumflex and hook above
U+1EAA	Ẫ	A	Latin capital letter A with circumflex and tilde
U+1EAB	ẫ	a	Latin small letter a with circumflex and tilde
U+1EA6	Ậ	A	Latin capital letter A with circumflex and dot below
U+1EAD	ậ	a	Latin small letter a with circumflex and dot below
U+1EAE	Ắ	A	Latin capital letter A with breve and acute
U+1EAF	ắ	a	Latin small letter a with breve and acute
U+1EB0	Ằ	A	Latin capital letter A with breve and grave
U+1EB1	ằ	a	Latin small letter a with breve and grave
U+1EB2	Ẳ	A	Latin capital letter A with breve and hook above
U+1EB3	ẳ	a	Latin small letter a with breve and hook above
U+1EB4	Ẵ	A	Latin capital letter A with breve and tilde
U+1EB5	ẵ	a	Latin small letter a with breve and tilde
U+1EB6	Ặ	A	Latin capital letter A with breve and dot below
U+1EB7	ặ	a	Latin small letter a with breve and dot below
U+1EB8	Ẹ	E	Latin capital letter E with dot below
U+1EB9	ẹ	e	Latin small letter e with dot below
U+1EBA	Ẻ	E	Latin capital letter E with hook above
U+1EBB	ẻ	e	Latin small letter e with hook above
U+1EBC	Ẽ	E	Latin capital letter E with tilde
U+1EBD	ẽ	e	Latin small letter e with tilde
U+1EBE	Ế	E	Latin capital letter E with circumflex and acute
U+1EBF	ế	e	Latin small letter e with circumflex and acute
U+1EC0	Ề	E	Latin capital letter E with circumflex and grave
U+1EC1	ề	e	Latin small letter e with circumflex and grave
U+1EC2	Ể	E	Latin capital letter E with circumflex and hook above
U+1EC3	ể	e	Latin small letter e with circumflex and hook above
U+1EC4	Ễ	E	Latin capital letter E with circumflex and tilde
U+1EC5	ễ	e	Latin small letter e with circumflex and tilde
U+1EC6	Ệ	E	Latin capital letter E with circumflex and dot below
U+1EC7	ệ	e	Latin small letter e with circumflex and dot below
U+1EC8	Ỉ	I	Latin capital letter I with hook above
U+1EC9	ỉ	i	Latin small letter i with hook above
U+1ECA	Ị	I	Latin capital letter I with dot below
U+1ECB	ị	i	Latin small letter i with dot below
U+1ECC	Ọ	O	Latin capital letter O with dot below
U+1ECD	ọ	o	Latin small letter o with dot below
U+1ECE	Ỏ	O	Latin capital letter O with hook above
U+1ECF	ỏ	o	Latin small letter o with hook above
U+1ED0	Ố	O	Latin capital letter O with circumflex and acute
U+1ED1	ố	o	Latin small letter o with circumflex and acute
U+1ED2	Ồ	O	Latin capital letter O with circumflex and grave
U+1ED3	ồ	o	Latin small letter o with circumflex and grave
U+1ED4	Ổ	O	Latin capital letter O with circumflex and hook above
U+1ED5	ổ	o	Latin small letter o with circumflex and hook above
U+1ED6	Ỗ	O	Latin capital letter O with circumflex and tilde
U+1ED7	ỗ	o	Latin small letter o with circumflex and tilde
U+1ED8	Ộ	O	Latin capital letter O with circumflex and dot below
U+1ED9	ộ	o	Latin small letter o with circumflex and dot below
U+1EDA	Ớ	O	Latin capital letter O with horn and acute
U+1EDB	ớ	o	Latin small letter o with horn and acute
U+1EDC	Ờ	O	Latin capital letter O with horn and grave
U+1EDD	ờ	o	Latin small letter o with horn and grave
U+1EDE	Ở	O	Latin capital letter O with horn and hook above
U+1EDF	ở	o	Latin small letter o with horn and hook above
U+1EE0	Ỡ	O	Latin capital letter O with horn and tilde
U+1EE1	ỡ	o	Latin small letter o with horn and tilde
U+1EE2	Ợ	O	Latin capital letter O with horn and dot below
U+1EE3	ợ	o	Latin small letter o with horn and dot below
U+1EE4	Ụ	U	Latin capital letter U with dot below
U+1EE5	ụ	u	Latin small letter u with dot below
U+1EE6	Ủ	U	Latin capital letter U with hook above
U+1EE7	ủ	u	Latin small letter u with hook above
U+1EE8	Ứ	U	Latin capital letter U with horn and acute
U+1EE9	ứ	u	Latin small letter u with horn and acute
U+1EEA	Ừ	U	Latin capital letter U with horn and grave
U+1EEB	ừ	u	Latin small letter u with horn and grave
U+1EEC	Ử	U	Latin capital letter U with horn and hook above
U+1EED	ử	u	Latin small letter u with horn and hook above
U+1EEE	Ữ	U	Latin capital letter U with horn and tilde
U+1EEF	ữ	u	Latin small letter u with horn and tilde
U+1EF0	Ự	U	Latin capital letter U with horn and dot below
U+1EF1	ự	u	Latin small letter u with horn and dot below
U+1EF2	Ỳ	Y	Latin capital letter Y with grave
U+1EF3	ỳ	y	Latin small letter y with grave
U+1EF4	Ỵ	Y	Latin capital letter Y with dot below
U+1EF5	ỵ	y	Latin small letter y with dot below
U+1EF6	Ỷ	Y	Latin capital letter Y with hook above
U+1EF7	ỷ	y	Latin small letter y with hook above
U+1EF8	Ỹ	Y	Latin capital letter Y with tilde
U+1EF9	ỹ	y	Latin small letter y with tilde

German (de_DE), German formal (de_DE_formal), German (Switzerland) formal (de_CH), and German (Switzerland) informal (de_CH_informal) locales:

Code	Glyph	Replacement	description
U+00C4	Ä	Ae	Latin capital letter A with diaeresis
U+00E4	ä	ae	Latin small letter a with diaeresis
U+00D6	Ö	Oe	Latin capital letter O with diaeresis
U+00F6	ö	oe	Latin small letter o with diaeresis
U+00DC	Ü	Ue	Latin capital letter U with diaeresis
U+00FC	ü	ue	Latin small letter u with diaeresis
U+00DF	ß	ss	Latin small letter sharp s

Danish (da_DK) locale:

Code	Glyph	Replacement	description
U+00C6	Æ	Ae	Latin capital letter AE
U+00E6	æ	ae	Latin small letter ae
U+00D8	Ø	Oe	Latin capital letter O with stroke
U+00F8	ø	oe	Latin small letter o with stroke
U+00C5	Å	Aa	Latin capital letter A with ring above
U+00E5	å	aa	Latin small letter a with ring above

Catalan (ca) locale:

Code	Glyph	Replacement	description
U+00B7	l·l	ll	Flown dot (between two Ls)

Serbian (sr_RS) and Bosnian (bs_BA) locales:

Code	Glyph	Replacement	description
U+0110	Đ	DJ	Latin capital letter D with stroke
U+0111	đ	dj	Latin small letter d with stroke

---

参数

$string

(string) (Required) Text that might have accent characters

---

返回值

(string) Filtered string with replaced "nice" characters.

---

源代码

File: wp-includes/formatting.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';
		}

		$string = strtr($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;
}

---

更新日志

Version	description
4.8.0	Added locale support for bs_BA.
4.7.0	Added locale support for sr_RS.
4.6.0	Added locale support for de_CH, de_CH_informal, and ca.
1.2.1	Introduced.

---

相关函数

Uses

• wp-includes/l10n.php: get_locale()
• wp-includes/formatting.php: seems_utf8()

---

Used By

• wp-includes/formatting.php: sanitize_user()
• wp-includes/formatting.php: sanitize_title()

---

User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Basic Example

   
   $text = "Hoy será un gran día";
   echo remove_accents ( $text );
   
   // Outputs: Hoy sera un gran dia