Generating a Url slug in PHP

slug.php

<?php
function generateUrlSlug($string, $maxlen=0)
{
    $string = trim(preg_replace('/[^a-z0-9]+/', '-', strtolower($string)), '-');
    if ($maxlen && strlen($string) > $maxlen) {
        $string = substr($string, 0, $maxlen);
        $pos = strrpos($string, '-');
        if ($pos > 0) {
            $string = substr($string, 0, $pos);
        }
    }
    return $string;
}

$string = "Generate URL slug";
print generateUrlSlug($string);

?>

If you are working with PHP- Codeigniter framework and you want to Generate URL slug in Codeigniter then follow this link
https://datainflow.com/generate-url-slug-codeigniter/