call_user_func
(PHP 3 >= 3.0.3, PHP 4, PHP 5)
call_user_func -- Call a user function given by the first parameter
Description
mixed
call_user_func ( callback function [, mixed parameter [, mixed ...]] )
Call a user defined function given by the function
parameter.
Parameters
function
The function to be called. Class methods may also be invoked
statically using this function by passing
array($classname, $methodname) to this parameter.
parameter
Zero or more parameters to be passed to the function.
Note:
Note that the parameters for call_user_func() are
not passed by reference.
Return Values
Returns the function result, or FALSE on error.
Examples
Example 1. call_user_func() example
<?php
function barber($type)
{
echo "You wanted a $type haircut, no problem";
}
call_user_func('barber', "mushroom");
call_user_func('barber', "shave");
?>
|
|
Example 2. Using a class method
<?php
class myclass {
function say_hello()
{
echo "Hello!\n";
}
}
$classname = "myclass";
call_user_func(array($classname, 'say_hello'));
?>
|
|
