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Php call user func () function

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(PHP 3>= 3.0.3, PHP 4 , PHP 5)

call_user_func --  Call a user function given by the first parameter


mixed call_user_func ( callback function [, mixed parameter [, mixed ...]] )

Call a user defined function given by the function parameter. Take the following:

function barber($type)
"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.

class myclass {

$classname = "myclass";

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

Note: Note that the parameters for call_user_func() are not passed by reference.

function increment(&$var)

$a = 0;
call_user_func('increment', $a);
$a; // 0

call_user_func_array('increment', array(&$a)); // You can use this instead
echo $a; // 1

See also: is_callable(), call_user_func_array(), and information about the callback type.

Php call user func Function syntax tag

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Php call user func syntax tutorial

php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.

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