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 ($test_free && (NULL !== ($tmp = mysqli_num_fields($res))))
39			printf("[%03d] Expecting NULL, 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!