Session in MySQL and save_handler...
| From: | August Zajonc | Date: | Fri, 09 Jun 2000 16:09:35 +0000 |
| Subject: | Session in MySQL and save_handler... | ||
| Groups: | php.version4 | ||
| Request: | Send a blank email to php-version4+get-16245@lists.php.net to get a copy of this message | ||
I'm really struggling to get sessions going into MySQL. They work fine with
files. One thing I'm unsure about is what to set save_handler to when I've
got my own handler. My test script is simple, from an example at
phpbuilder.com. This all certainly seems straightforward, and I'm at a loss
to explain why it doesn't work.
August Zajonc
<?php
include("session_mysql.php");
session_register("count");
$HTTP_SESSION_VARS["count"]++;
?>
Hello visitor, you have seen this page <? echo $HTTP_SESSION_VARS["count"];
?> times.<p>
The session_mysql.php file follows:
-------
$SESS_DBHOST = "db9.pair.com"; /* database server hostname */
$SESS_DBNAME = "adboink_cw"; /* database name */
$SESS_DBUSER = "*****"; /* database user */
$SESS_DBPASS = "*****"; /* database password */
$SESS_DBH = "";
$SESS_LIFE = get_cfg_var("session.gc_maxlifetime");
function sess_open($save_path, $session_name) {
global $SESS_DBHOST, $SESS_DBNAME, $SESS_DBUSER, $SESS_DBPASS, $SESS_DBH;
if (! $SESS_DBH = mysql_pconnect($SESS_DBHOST, $SESS_DBUSER, $SESS_DBPASS))
{
echo "<li>Can't connect to $SESS_DBHOST as $SESS_DBUSER";
echo "<li>MySQL Error: ", mysql_error();
die;
}
if (! mysql_select_db($SESS_DBNAME, $SESS_DBH)) {
echo "<li>Unable to select database $SESS_DBNAME";
die;
}
return true;
}
function sess_close() {
return true;
}
function sess_read($key) {
global $SESS_DBH, $SESS_LIFE;
$qry = "SELECT value FROM sessions WHERE sesskey = '$key' AND expiry > " .
time();
$qid = mysql_query($qry, $SESS_DBH);
if (list($value) = mysql_fetch_row($qid)) {
return $value;
}
return false;
}
function sess_write($key, $val) {
global $SESS_DBH, $SESS_LIFE;
$expiry = time() + $SESS_LIFE;
$value = addslashes($val);
$qry = "INSERT INTO sessions VALUES ('$key', $expiry, '$value')";
$qid = mysql_query($qry, $SESS_DBH);
if (! $qid) {
$qry = "UPDATE sessions SET expiry = $expiry, value = '$value' WHERE
sesskey = '$key' AND expiry > " . time();
$qid = mysql_query($qry, $SESS_DBH);
}
return $qid;
}
function sess_destroy($key) {
global $SESS_DBH;
$qry = "DELETE FROM sessions WHERE sesskey = '$key'";
$qid = mysql_query($qry, $SESS_DBH);
return $qid;
}
function sess_gc($maxlifetime) {
global $SESS_DBH;
$qry = "DELETE FROM sessions WHERE expiry < " . time();
$qid = mysql_query($qry, $SESS_DBH);
return mysql_affected_rows($SESS_DBH);
}
session_set_save_handler(
"sess_open",
"sess_close",
"sess_read",
"sess_write",
"sess_destroy",
"sess_gc");
?>