call_user_func 函数调用

function a($b,$c)
{
echo $b;
echo $c;
}
call_user_func('a', "111","222");
call_user_func('a', "333","444");
//显示 111 222 333 444
?>

class a {
function b($c)
{
echo $c;
}
}
call_user_func(array("a", "b"),"111");
//显示 111
?>