why should one prefer call_user_func_array over regular calling of function?

Question

function foobar($arg, $arg2) {
    echo __FUNCTION__, \" got $arg and $arg2\\n\";
}
foobar(\'one\',\'two\'); // OUTPUTS : foobar got one and two 

call_user_func_arr         


        

Answer 1

 function1 )

call_user_func_array(array($obj, $function_list[0]), array()); 

// Output => in function 1

?>