1--TEST--
2Test array_diff when non-array is passed
3--FILE--
4<?php
5//-=-=-=-=-
6$a = array();
7$b = 3;
8$c = array(5);
9array_diff($a, $b, $c);
10//-=-=-=-=-=-
11echo "OK!";
12?>
13--EXPECTF--
14Warning: array_diff(): Argument #2 is not an array in %s
15OK!
16