Function Handling Functions
Introduction
These functions all handle various operations involved in working with functions.
Requirements
No external libraries are needed to build this extension.
Installation
There is no installation needed to use these functions; they are part of the PHP core.
Runtime Configuration
This extension has no configuration directives defined in php.ini.
Predefined Constants
This extension has no constants defined.
Table of Contents
- call_user_func_array — Call a user function given with an array of parameters
- call_user_func — Call a user function given by the first parameter
- create_function — Create an anonymous (lambda-style) function
- func_get_arg — Return an item from the argument list
- func_get_args — Returns an array comprising a function's argument list
- func_num_args — Returns the number of arguments passed to the function
- function_exists — Return TRUE if the given function has been defined
- get_defined_functions — Returns an array of all defined functions
- register_shutdown_function — Register a function for execution on shutdown
- register_tick_function — Register a function for execution on each tick
- unregister_tick_function — De-register a function for execution on each tick