Zend Filter for Class Names

zendFormatClassName

/**
 *
 * Format Class Name
 *
**/

public function mwFormatClassName($string,$sep='-') {

	$filterChain = new Zend_Filter();
	$filterChain->prependFilter(new Zend_Filter_StripTags())
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/&[a-z]+;/i','replace' => '')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/æ/i', 'replace' => 'ae')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/à|á|â|ä|ã|å|ā/i', 'replace' => 'a')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ç|ć|č/i', 'replace' => 'c')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/è|é|ê|ë|ē|ė|ę/i', 'replace' => 'e')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/î|ï|í|ī|į|ì/i', 'replace' => 'i')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ñ|ń/i', 'replace' => 'n')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ł/i', 'replace' => 'l')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ô|ö|ò|ó|ø|ō|õ/i', 'replace' => 'o')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ś|š/i', 'replace' => 's')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ß/i', 'replace' => 'ss')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/û|ü|ù|ú|ū/i', 'replace' => 'u')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/ÿ/i', 'replace' => 'y')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/œ/i', 'replace' => 'oe')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Æ/i', 'replace' => 'AE')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/À|Á|Â|Ä|Ã|Å|Ā/i', 'replace' => 'A')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Ç|Ć|Č/i', 'replace' => 'C')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/È|É|Ê|Ë|Ē|Ė|Ę/i', 'replace' => 'E')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Î|Ï|Í|Ī|Į|Ì/i', 'replace' => 'I')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Ñ|Ń/i', 'replace' => 'N')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Ł/i', 'replace' => 'L')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Ô|Ö|Ò|Ó|Ø|Ō|Õ/i', 'replace' => 'O')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Ś|Š/i', 'replace' => 'S')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Û|Ü|Ù|Ú|Ū/i', 'replace' => 'U')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Ÿ/i', 'replace' => 'Y')))
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/Œ/i', 'replace' => 'OE')))
		    ->appendFilter(new Zend_Filter_Alnum(array('allowwhitespace' => true)))
		    ->appendFilter(new Zend_Filter_StringTrim())
		    ->appendFilter(new Zend_Filter_StringToLower())
		    ->appendFilter(new Zend_Filter_PregReplace(array('match' => '/\s+/i', 'replace' => $sep)));
	
	return $filterChain->filter($string);
}

A function using Zend Framework's Zend_Filter to normalize text – perfect for creating permalinks or CSS classes from attribute labels and values.