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call_user_func

(PHP 3>= 3.0.3, PHP 4 )

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) {
    print "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() {
    print "Hello!\n";
  }
}

$classname = "myclass";

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

See also: is_callable(), call_user_func_array(), call_user_method(), call_user_method_array().

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