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函数处理
PHP Manual
PHP Manual
»
变量与类型相关扩展
»
函数处理
函数处理
简介
这些函数涉及函数的相关操作。
函数处理 函数
call_user_func
— 把第一个参数作为回调函数调用
call_user_func_array
— 调用回调函数,并把一个数组参数作为回调函数的参数
create_function
— 通过执行代码字符串创建动态函数
forward_static_call
— 调用静态方法
forward_static_call_array
— 调用静态方法且参数作为数组传递
func_get_arg
— 返回参数列表的某一项
func_get_args
— 返回一个包含函数参数列表的数组
func_num_args
— 返回传递给函数的参数数量
function_exists
— 如果给定的函数已经被定义就返回 true
get_defined_functions
— 返回所有已定义函数的数组
register_shutdown_function
— 注册在关闭时执行的函数
register_tick_function
— 注册一个函数以便在每个 tick 上执行
unregister_tick_function
— 注销每个 tick 上需要执行的函数
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