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remove_accents

Definition:
function remove_accents($string) {}

Converts all accent characters to ASCII characters.
If there are no accent characters, then the string given is just returned.

Parameters

  • string $string: Text that might have accent characters

Return values

returns:Filtered string with replaced "nice" characters.

Source code

function remove_accents($string) {

	if ( !preg_match('/[\x80-\xff]/', $string) )

		return $string;



	if (seems_utf8($string)) {

		$chars = array(

		// 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) => '');



		$string = strtr($string, $chars);

	} else {

		// Assume ISO-8859-1 if not UTF-8

		$chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158)

			.chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194)

			.chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202)

			.chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210)

			.chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218)

			.chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227)

			.chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235)

			.chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243)

			.chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251)

			.chr(252).chr(253).chr(255);



		$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy";



		$string = strtr($string, $chars['in'], $chars['out']);

		$double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254));

		$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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