PHP Function Reference

PHP - Function Handling

These functions provides tool to handle various operations involved in working with functions.


There is no installation needed to use these functions. These functions are part of the PHP core.

Runtime Configuration

This extension has no configuration directives defined in php.ini.

PHP Function Handling Functions

call_user_func_array() Call a callback with an array of parameters.
call_user_func() Call the callback given by the first parameter.
create_function() Create an anonymous (lambda-style) function.
forward_static_call_array() Call a static method and pass the arguments as array.
forward_static_call() Call a static method.
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() Returns true if the given function has been defined.
get_defined_functions() Returns an array of all defined functions.
register_shutdown_function() Registers a function for execution on shutdown.
register_tick_function() Registers a function for execution on each tick.
unregister_tick_function() De-registers a function for execution on each tick.

PHP Function Handling Predefined Constants

This extension has no constants defined.