- substr: documentation ( source)
- explode: documentation ( source)
- strtolower: documentation ( source)
<?php
$q_path = explode ("/", '/media/sdb1//The%20Flash/Season%203/The.Flash.2014.S03E01.mkv');
$name= $q_path[count($q_path)-2];
echo strtolower(substr($name,0,6));