Online PHP editor | refs for qCjW3

<?php $words=array("Casa", "perro", "abad"); print_r(getAllWordCombos($words)); function getAllWordCombos($words) { if (count($words)<=1) return array($words); else { $ret=array(); foreach($words as $i=>$firstword) { $cwords=array_slice($words,0); array_splice($cwords,$i); $combos=getAllWordCombos($cwords); $head=array($firstword); foreach ($combos as $combo) { $ret[]=array_merge($head,$combo); } } return $ret; } }