1--TEST--
2array_unshift() tests
3--FILE--
4<?php
5
6$a = array();
7$s = "";
8var_dump(array_unshift($a, $s));
9var_dump($a);
10var_dump(array_unshift($a, $a));
11var_dump($a);
12
13echo "Done\n";
14?>
15--EXPECT--
16int(1)
17array(1) {
18  [0]=>
19  string(0) ""
20}
21int(2)
22array(2) {
23  [0]=>
24  array(1) {
25    [0]=>
26    string(0) ""
27  }
28  [1]=>
29  string(0) ""
30}
31Done
32