php魔术方法call

class test{  public function emptyFunc(){    $getArgs = func_get_args();    $funcName = $getArgs[0];    //$params = array_slice($getArgs, 1);    //var_dump($params);  // this is params                    return $funcName . ' function is not exists';  }  public function __call($m, $params)  {     $arr[] = $m;     $arr = array_merge($arr, $params);     return call_user_func_array(array($this, 'emptyFunc'), $arr);  }  protected function nowToTest(){    return 'this is nowToTest';  }}$testObj = new test();var_dump($testObj->nowToTest('params1','params1'));//var_dump result => string(29) "nowToTest function is not exists"

"nowToTest function is not exists"