* [call\_user\_func\_array](https://www.php.net/manual/en/function.call-user-func-array.php)—調用帶有參數數組的回調 * [call\_user\_func](https://www.php.net/manual/en/function.call-user-func.php)—調用第一個參數給定的回調 * [create\_function](https://www.php.net/manual/en/function.create-function.php)—創建一個匿名（lambda樣式）函數 * [forward\_static\_call\_array](https://www.php.net/manual/en/function.forward-static-call-array.php)—調用靜態方法并將參數作為數組傳遞 * [forward\_static\_call](https://www.php.net/manual/en/function.forward-static-call.php)—調用靜態方法 * [func\_get\_arg](https://www.php.net/manual/en/function.func-get-arg.php)—從參數列表返回一個項目 * [func\_get\_args](https://www.php.net/manual/en/function.func-get-args.php)—返回包含函數的參數列表的數組 * [func\_num\_args](https://www.php.net/manual/en/function.func-num-args.php)—返回傳遞給函數的參數數量 * [function\_exists](https://www.php.net/manual/en/function.function-exists.php)—如果已定義給定函數，則返回TRUE * [get\_defined\_functions](https://www.php.net/manual/en/function.get-defined-functions.php)—返回所有已定義函數的數組 * [register\_shutdown\_function](https://www.php.net/manual/en/function.register-shutdown-function.php)—注冊一個函數以在關閉時執行 * [register\_tick\_function](https://www.php.net/manual/en/function.register-tick-function.php)—注冊一個函數以在每個刻度上執行 * [unregister\_tick\_function](https://www.php.net/manual/en/function.unregister-tick-function.php)—取消注冊要在每個刻度上執行的功能