php解决约瑟夫环的问题

<?php
class SelectKing{
private $m;//幅度
private $n;//总数

public function __construct($m,$n){
$this->m = $m;
$this->n = $n;
}

public function getKing(){
$mokeys = range(1, $this->n);
$tmp = 0;
while(count($mokeys)>1){
$tmp++;
$head = array_shift($mokeys);
if($tmp%$this->m!=0){
array_push($mokeys, $head);
}
}
return $mokeys;
}
}

class Client{
public static function main(){
$obj = new SelectKing(3, 10);
$king = $obj->getKing();
var_dump($king);
}
}

Client::main();
?>