Loading... # [PHP的可调用类型(callable)总结](https://blog.p2hp.com/archives/7927) ```php // 1 普通函数 call_user_func('my_function'); // 2类的静态方法 call_user_func(['MyClass', 'myCallbackMethod']); // 3对象方法 call_user_func([new MyClass(), 'myCallbackMethod']); //4类的静态方法(2) call_user_func('MyClass::myCallbackMethod'); //5匿名函数 call_user_func(function(){echo '匿名函数';}); //6箭头函数 call_user_func(fn() =>print('箭头函数')); //7相对关系 call_user_func(array('B', 'parent::who')); // 8: Objects implementing __invoke can be used as callables class C { public function __invoke($name) { echo 'Hello ', $name, "\n"; } }$c = new C(); call_user_func($c, 'PHP!'); ?> ``` **其它用法:** ```php call_user_func(__NAMESPACE__ .'\Foo::test'); // As of PHP 5.3.0 call_user_func(array(__NAMESPACE__ .'\Foo', 'test')); // As of PHP 5.3.0 class myclass { static function say_hello() { echo "Hello!\n"; } } $classname = "myclass"; call_user_func(array($classname, 'say_hello')); call_user_func($classname .'::say_hello'); // As of 5.2.3 $myobject = new myclass(); call_user_func(array($myobject, 'say_hello')); ``` 最后修改:2023 年 08 月 12 日 © 允许规范转载 赞 如果觉得我的文章对你有用,请随意赞赏