* [call\_user\_func\_array](https://www.php.net/manual/en/function.call-user-func-array.php)—调用带有参数数组的回调 * [call\_user\_func](https://www.php.net/manual/en/function.call-user-func.php)—调用第一个参数给定的回调 * [create\_function](https://www.php.net/manual/en/function.create-function.php)—创建一个匿名（lambda样式）函数 * [forward\_static\_call\_array](https://www.php.net/manual/en/function.forward-static-call-array.php)—调用静态方法并将参数作为数组传递 * [forward\_static\_call](https://www.php.net/manual/en/function.forward-static-call.php)—调用静态方法 * [func\_get\_arg](https://www.php.net/manual/en/function.func-get-arg.php)—从参数列表返回一个项目 * [func\_get\_args](https://www.php.net/manual/en/function.func-get-args.php)—返回包含函数的参数列表的数组 * [func\_num\_args](https://www.php.net/manual/en/function.func-num-args.php)—返回传递给函数的参数数量 * [function\_exists](https://www.php.net/manual/en/function.function-exists.php)—如果已定义给定函数，则返回TRUE * [get\_defined\_functions](https://www.php.net/manual/en/function.get-defined-functions.php)—返回所有已定义函数的数组 * [register\_shutdown\_function](https://www.php.net/manual/en/function.register-shutdown-function.php)—注册一个函数以在关闭时执行 * [register\_tick\_function](https://www.php.net/manual/en/function.register-tick-function.php)—注册一个函数以在每个刻度上执行 * [unregister\_tick\_function](https://www.php.net/manual/en/function.unregister-tick-function.php)—取消注册要在每个刻度上执行的功能