slug.php

<?php 
class Slug
{
    /**
     * Create a URI friendly slug from a string.
     *
     * @param  string $uri
     * @return string
     */
    public static function make($uri)
    {
        $uri = iconv('UTF-8', 'ASCII//TRANSLIT', $uri);
        $uri = preg_replace("/[^a-zA-Z0-9\/_|+ -]/", null, $uri);
        $uri = strtolower(trim($uri, '-'));
        $uri = preg_replace("/[\/_|+ -]+/", '-', $uri);
        return $uri;
    }
}