1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
<?
// Original from http://www.daniweb.com/code/snippet43.html
require_once "config.php";
require_once "db.php";
$session_expire = 600;
ini_set("session.gc_probability", 50);
function open ($s, $n) {
global $session_connection;
$session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
return true;
}
function read ($id){
global $session_connection,$session_read;
$query = "SELECT data FROM ttrss_sessions WHERE id='$id'";
$res = db_query($session_connection, $query);
if (db_num_rows($res) != 1) {
return "";
} else {
$session_read = db_fetch_assoc($res);
$session_read["data"] = base64_decode($session_read["data"]);
return $session_read["data"];
}
}
function write ($id, $data) {
if (! $data) {
return false;
}
global $session_connection, $session_read, $session_expire;
$expire = time() + $session_expire;
$data = db_escape_string(base64_encode($data), $session_connection);
if ($session_read) {
$query = "UPDATE ttrss_sessions SET data='$data',
expire='$expire' WHERE id='$id'";
} else {
$query = "INSERT INTO ttrss_sessions (id, data, expire)
VALUES ('$id', '$data', '$expire')";
}
db_query($session_connection, $query);
return true;
}
function close () {
global $session_connection;
db_close($session_connection);
return true;
}
function destroy ($id) {
global $session_connection;
$query = "DELETE FROM ttrss_sessions WHERE id = '$id'";
db_query($session_connection, $query);
return true;
}
function gc ($expire) {
global $session_connection;
$query = "DELETE FROM ttrss_sessions WHERE expire < " . time();
db_query($session_connection, $query);
}
session_set_save_handler ("open", "close", "read", "write", "destroy", "gc");
session_start();
?>
|
