1--TEST--
2mysqli_insert_id()
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_insert_id()))
17		printf("[001] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);
18
19	if (!is_null($tmp = @mysqli_insert_id($link)))
20		printf("[002] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);
21
22	require('table.inc');
23
24	if (0 !== ($tmp = mysqli_insert_id($link)))
25		printf("[003] Expecting int/0, got %s/%s\n", gettype($tmp), $tmp);
26
27	if (!$res = mysqli_query($link, "SELECT id, label FROM test ORDER BY id LIMIT 1")) {
28		printf("[004] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
29	}
30	if (0 !== ($tmp = mysqli_insert_id($link)))
31		printf("[005] Expecting int/0, got %s/%s\n", gettype($tmp), $tmp);
32	mysqli_free_result($res);
33
34	// no auto_increment column
35	if (!$res = mysqli_query($link, "INSERT INTO test(id, label) VALUES (100, 'a')")) {
36		printf("[006] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
37	}
38	if (0 !== ($tmp = mysqli_insert_id($link)))
39		printf("[007] Expecting int/0, got %s/%s\n", gettype($tmp), $tmp);
40
41	if (!$res = mysqli_query($link, "ALTER TABLE test MODIFY id INT NOT NULL AUTO_INCREMENT")) {
42		printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
43	}
44
45	if (!$res = mysqli_query($link, "INSERT INTO test(label) VALUES ('a')")) {
46		printf("[009] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
47	}
48	if (($last_id = mysqli_insert_id($link)) <= 0)
49		printf("[010] Expecting int/any >0, got %s/%s\n", gettype($last_id), $last_id);
50
51	if (mysqli_query($link, "LOCK TABLE test WRITE")) {
52		/* we need exclusive access for a moment */
53		/* let's hope nobody changes auto_increment_increment while this code executes */
54		do {
55			if (mysqli_get_server_version($link) >= 50000) {
56				if (!$res = mysqli_query($link, 'SELECT @@auto_increment_increment AS inc')) {
57					printf("[011] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
58					break;
59				}
60				if (!$row = mysqli_fetch_assoc($res)) {
61					printf("[012] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
62					break;
63				}
64				mysqli_free_result($res);
65				$inc = $row['inc'];
66			} else {
67				$inc = 1;
68			}
69
70			if (!mysqli_query($link, "INSERT INTO test(label) VALUES ('b')")) {
71				printf("[013] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
72				break;
73			}
74			if (($next_id = mysqli_insert_id($link)) <= $last_id)
75				/*
76				very likely a bug, but someone could have done something on the server
77				between the second last insert and the lock, therefore don't stop just bail
78				*/
79				printf("[014] Expecting int/any > %d, got %s/%s\n", $last_id, gettype($next_id), $next_id);
80
81			$last_id = $next_id;
82			if (!mysqli_query($link, "INSERT INTO test(label) VALUES ('c'), ('d'), ('e')")) {
83				printf("[015] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
84				break;
85			}
86			/*
87			Note: For a multiple-row insert, LAST_INSERT_ID() and mysql_insert_id() actually
88			return the AUTO_INCREMENT key from the first of the inserted rows. This allows
89			multiple-row inserts to be reproduced correctly on other servers in a replication setup.
90			*/
91			if (($next_id = mysqli_insert_id($link)) != $last_id + $inc) {
92				printf("[016] Expecting int/%d, got %s/%s\n", $last_id + 1, gettype($next_id), $next_id);
93				break;
94			}
95
96			if (!$res = mysqli_query($link, "SELECT LAST_INSERT_ID() AS last_id")) {
97				printf("[017] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
98				break;
99			}
100			if (!$row = mysqli_fetch_assoc($res)) {
101				printf("[018] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
102				break;
103			}
104			mysqli_free_result($res);
105
106			if ($next_id != $row['last_id']) {
107				printf("[019] Something is wrong, check manually. Expecting %s got %s.\n",
108					$next_id, $row['last_id']);
109				break;
110			}
111		} while (false);
112		mysqli_query($link, "UNLOCK TABLE test");
113	}
114
115	if (!$res = mysqli_query($link, "INSERT INTO test(id, label) VALUES (1000, 'a')")) {
116		printf("[020] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
117	}
118	if (1000 !== ($tmp = mysqli_insert_id($link)))
119		printf("[021] Expecting int/1000, got %s/%s\n", gettype($tmp), $tmp);
120
121	if (!$res = mysqli_query($link, "INSERT INTO test(label) VALUES ('b'), ('c')")) {
122		printf("[022] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
123	}
124	if (1000 >= ($tmp = mysqli_insert_id($link)))
125		printf("[023] Expecting int/>1000, got %s/%s\n", gettype($tmp), $tmp);
126
127	mysqli_close($link);
128
129	var_dump(mysqli_insert_id($link));
130
131	print "done!";
132?>
133--CLEAN--
134<?php
135	require_once("clean_table.inc");
136?>
137--EXPECTF--
138Warning: mysqli_insert_id(): Couldn't fetch mysqli in %s on line %d
139NULL
140done!
141