php實現約瑟夫環

function king($high,$size){
$monkey = range(1, $high);

$i = 0 ;

while (count($monkey)>1) {
$i++;
$head = array_shift($monkey);

if(($i % $size) != 0){
array_push($monkey,$head);
}

}

return $monkey[0];
}

var_dump(king(10,3));