codejobs - Slug - PHP

slug.php

<?php
function slug($string) {		
	$characters = array("Á" => "A", "Ç" => "c", "É" => "e", "Í" => "i", "Ñ" => "n", "Ó" => "o", "Ú" => "u", 
						"á" => "a", "ç" => "c", "é" => "e", "í" => "i", "ñ" => "n", "ó" => "o", "ú" => "u",
						"à" => "a", "è" => "e", "ì" => "i", "ò" => "o", "ù" => "u"
	);
	
	$string = strtr($string, $characters); 
	$string = strtolower(trim($string));
	$string = preg_replace("/[^a-z0-9-]/", "-", $string);
	$string = preg_replace("/-+/", "-", $string);
	
	if(substr($string, strlen($string) - 1, strlen($string)) === "-") {
		$string = substr($string, 0, strlen($string) - 1);
	}
	
	return $string;
}
?>