XXXIV. 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
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