Mgccl's Ivory Towerso tired

//$s1 = first person's name, $s2 second person's name
//$a, a array of words, just google dictionary.txt
//$m minimal size of sub string used from each name
//$x minimal size of the output word
function joinname($s1,$s2,$a,$m=2,$x=4){
	$s1 = strtolower($s1);
	$s2 = strtolower($s2);
	$l1 = strlen($s1)+1;
	$l2 = strlen($s2)+1;
	if($m<1){
		$m=1;
	}
	for($i=$m;$i<$l1;$i++){
		for($i1=0;$i1<$l1-$i;$i1++){
			$t = substr($s1,$i1,$i);
			for($j=max($m,$x-$i);$j<$l2;$j++){
				for($j1=0;$j1<$l2-$j;$j1++){
					$t2 = substr($s2,$j1,$j);
					if(in_array($t.$t2,$a)){
						$r[] = $t.$t2;
					}
					if(in_array($t2.$t,$a)){
						$r[] = $t2.$t;
					}
				}
			}
		}
	}
	return $r;
}