<?php function chunk($str, $sep = ".", $index = false) { var_dump($str); $parts = explode($sep, $str); if ($index === false) return $parts[count($parts)-1]; elseif (is_numeric($index)) return $parts[$index]; else return false; } $str = 'e5yq36v365v.mp3'; var_dump(chunk($str));
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