问Laravel雄辩:关系是如何从查询生成器继承函数的？

EN

class ClassTwo {
  
public function classTwoMethodOne()
    {
      dd(__FUNCTION__.' has been called');
    }  
  
  public function classTwoMethodTwo()
    {
      dd(__FUNCTION__.' has been called');
    }  

  public function classTwoMethodThree()
    {
    //you cannot call this method dynamically 
      dd(__FUNCTION__.' has been called');
    }  

}


class ClassOne {
  
public function classOneMethodOne()
    {
      dd(__FUNCTION__.' has been called');
    }  
  
  public function classOneMethodTwo()
    {
      dd(__FUNCTION__.' has been called');
    }  

  public function __call($methodName, $arguments)
    {
    
    $methodsTobeForwarededtoClassTwo = [
        'classTwoMethodOne',
        'classTwoMethodTwo',
      // 'classTwoMethodThree' 
      //i have commented this method so you cannot access it 
      //from dynamic calls
    ];
    if(in_array($methodName,$methodsTobeForwarededtoClassTwo))
    {
      return (new ClassTwo)->{$methodName}($arguments);
    }
             dd(sprintf(
            'Call to undefined method ClassTwo::%s()',  $methodName
        ));
    }
}

$classOneobj = new ClassOne;