call_user_func_array

<?php
function yourname($a,$b){
	echo "a:".$a."<br>";
	echo "b:".$b."<br>";
}
class users 
{
	function show()
    {
    	call_user_func_array( 'yourname',array("111", "222"));//等于下行写法
    	//yourname("111", "222");
    }
}
$u=new users();
$u->show();
?>