php function with different way

php function with different way | custom php  function very usefull

<?php
function foobar($arg, $arg2) {
    echo __FUNCTION__, " got $arg and $arg2\n";
}

class foo {
    function bar($arg, $arg2) {
        echo __METHOD__, " got $arg and $arg2\n";
    }
}


// Call the foobar() function with 2 arguments
//call_user_func_array("foobar", array("one", "two"));

//
 $foo = new foo;
call_user_func_array(array($foo, "bar"), array("three", "four"));
?>