PHP Reference

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. Take the following:


<?php

function barber($type) 

{

    echo "You wanted a $type haircut, no problem";

}

call_user_func('barber', "mushroom");

call_user_func('barber', "shave");

?>

Object methods may also be invoked statically using this function by passing array($objectname, $methodname) to the function parameter.


<?php

class myclass {

  function say_hello() 

  {

    echo "Hello!\n";

  }

}



$classname = "myclass";



call_user_func(array($classname, 'say_hello'));

?>