short_name.php

// v1
private function _short_name($str, $replace = array(), $delimiter = '-') 
{	
	if (!empty($replace)) {
		$str = str_replace((array) $replace, ' ', trim($str));
	}

	$str = str_replace(array('ç', 'Ç'), 'c', $str);
	$clean = iconv('UTF-8', 'ISO-8859-1//TRANSLIT//IGNORE', trim($str));
	$clean = preg_replace("/[^a-zA-Z0-9\/_|+ -]/", '', $clean);
	$clean = strtolower(trim($clean, '-'));
	$clean = preg_replace("/[\/_|+ -]+/", $delimiter, $clean);

	return $clean;
}


// v2
private function _short_name($str, $replace = array(), $delimiter = '-') 
{    
	if (!empty($replace)) {
		$str = str_replace((array) $replace, ' ', trim($str));
	}

	$str = str_replace(array('ç', 'Ç'), 'c', $str);
	$clean = iconv('UTF-8', 'ASCII//TRANSLIT', trim($str));
	$clean = preg_replace("/[^a-zA-Z0-9\/_|+ -]/", '', $clean);
	$clean = strtolower(trim($clean, '-'));
	$clean = preg_replace("/[\/_|+ -]+/", $delimiter, $clean);

	return $clean;
}