{
if (count($param) == 2) {
var_dump(__CLASS__);
var_dump($param);
} else {
$class = $this->handleList[$this->handleCurrent++];
(new $class())->action($param);
}
}
}
class handle3 extends handle
{
public function action(array $param)
{
if (count($param) == 3) {
var_dump(__CLASS__);
var_dump($param);
} else {
$class = $this->handleList[$this->handleCurrent++];
(new $class())->action($param);
}
}
}
//责任链的第一个处理handle一定会实例化的
//建立责任链链条
$handle1 = new handle1();
$handle1->push('handle2');
$handle1->push('handle3');
$handle1->action([1]);
$handle1->action([1, 2]);
$handle1->action([1, 2, 3]);
{
return __FUNCTION__;
}
}
class handle1 extends handle
{
protected function a()
{
return __CLASS__ . __FUNCTION__;
}
protected function b()
{
return __CLASS__ . __FUNCTION__;
}
}
class handle2 extends handle
{
protected function a()
{
return __CLASS__ . __FUNCTION__;
}
protected function b()
{
return __CLASS__ . __FUNCTION__;
}
}
$handle1 = new handle1();
$handle2 = new handle2();
$handle1->action();
$handle2->action();
//it is so esay
