Slug URL generator for seo (removes spaces hyphens, and other characters)

slug-url-gen.php

<?php
function slugify($str) {
    $search = array('Ș', 'Ț', 'ş', 'ţ', 'Ş', 'Ţ', 'ș', 'ț', 'î', 'â', 'ă', 'Î', 'Â', 'Ă', 'ë', 'Ë');
    $replace = array('s', 't', 's', 't', 's', 't', 's', 't', 'i', 'a', 'a', 'i', 'a', 'a', 'e', 'E');
    $str = str_ireplace($search, $replace, strtolower(trim($str)));
    $str = preg_replace('/[^\w\d\-\ ]/', '', $str);
    $str = str_replace(' ', '-', $str);
    return preg_replace('/\-{2,}', '-', $str);
}

return preg_replace('/-{2,}', '-', $str);
should be
return preg_replace('/-{2,}/', '-', $str);
with the added slash at the end of the regex