function largeRange($squad) {
	foreach(array_keys($squad) as $key) {
		if($largest < $squad[$$key]['range']) {
			$largest = $squad[$key]['range'];
			$largeidx = $key;
		}
	}
	return $largeidx;
}

$squad1l = largeRange($squad1);
$squad2l = largeRange($squad2);

$largest = ($squad1[$squad1l][range] > $squad2[$squad2l][range]) ? $squad1[$squad1l][range] : $squad2[$squad2l][range];