1--TEST--
2mysqli_num_fields()
3--SKIPIF--
4<?php
5require_once('skipif.inc');
6require_once('skipifemb.inc');
7require_once('skipifconnectfailure.inc');
8?>
9--FILE--
10<?php
11    require_once("connect.inc");
12
13    $tmp    = NULL;
14    $link   = NULL;
15
16    if (!is_null($tmp = @mysqli_num_fields()))
17        printf("[001] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);
18
19    if (!is_null($tmp = @mysqli_num_fields($link)))
20        printf("[002] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);
21
22    require('table.inc');
23
24    function func_test_mysqli_num_fields($link, $query, $expected, $offset, $test_free = false) {
25
26        if (!($res = mysqli_query($link, $query))) {
27            printf("[%03d] [%d] %s\n", $offset, mysqli_errno($link), mysqli_error($link));
28            return;
29        }
30
31        if ($expected !== ($tmp = mysqli_num_fields($res)))
32            printf("[%03d] Expecting %s/%d, got %s/%d\n", $offset + 1,
33                gettype($expected), $expected,
34                gettype($tmp), $tmp);
35
36        mysqli_free_result($res);
37
38        if ($test_free && (false !== ($tmp = mysqli_num_fields($res))))
39            printf("[%03d] Expecting false, got %s/%s\n", $offset + 2, gettype($tmp), $tmp);
40    }
41
42    func_test_mysqli_num_fields($link, "SELECT 1 AS a", 1, 5);
43    func_test_mysqli_num_fields($link, "SELECT id, label FROM test", 2, 10);
44    func_test_mysqli_num_fields($link, "SELECT 1 AS a, NULL AS b, 'foo' AS c", 3, 15);
45    func_test_mysqli_num_fields($link, "SELECT id FROM test", 1, 20, true);
46
47    mysqli_close($link);
48
49    print "done!";
50?>
51--CLEAN--
52<?php
53    require_once("clean_table.inc");
54?>
55--EXPECTF--
56Warning: mysqli_num_fields(): Couldn't fetch mysqli_result in %s on line %d
57done!
58