sessid = '';
$this->sdata = array();
$this->sfile = '';
$this->cookie = '';
$this->client = getenv('REMOTE_ADDR');
$this->name = "PHPSESSID";
$this->sessid = $this->name . date("YmdHis") . "_" . str_replace(".", "_", $this->client);
$this->sfile = "/tmp/phpsession/" . $this->sessid;
$this->cookie = $this->sessid;
register_shutdown_function("session_save");
}
}
function session_name($newname) {
global $session;
$oldname = $session->name;
$session->name = $newname;
$session->sessid = $newname . date("YmdHis") . "_" . str_replace(".", "_", $session->client);
$session->sfile = "/tmp/phpsession/" . $session->sessid;
$session->cookie = $session->sessid;
return $oldname;
}
function session_start() {
global $session;
global $HTTP_COOKIE_VARS;
$php_sessid = $HTTP_COOKIE_VARS[$session->name];
if (! isset($php_sessid)) {
$php_sessid = $session->cookie;
setcookie($session->name, $session->cookie, '', "/");
// echo "DEBUG : setcookie : " . $session->cookie . "\n
";
return;
} else {
// echo "DEBUG : received cookie = $php_sessid\n
";
$session->cookie = $php_sessid;
$session->sessid = $php_sessid;
$session->sfile = "/tmp/phpsession/" . $php_sessid;
}
@$fp = fopen($session->sfile, "r");
if (! $fp) {
setcookie($session->name, $session->cookie, '', "/");
// echo "DEBUG session.inc : no session file but cookie set: $php_sessid \n
";
return;
}
flock($fp, 1); // get shared lock and wait
$line = trim(fgets($fp, 2048));
if ($line != $php_sessid) {
fclose($fp);
setcookie($session->name, $sphp_sessid, '', "/");
// echo "DEBUG : no/wrong cookie in session file : " . $line . "|" ..
// $session->cookie . "\n
";
// echo "DEBUG : setcookie : " . $session->cookie . "\n
";
return;
} else
// echo "DEBUG : valid cookie in session file : " . $line . "\n
";
$session->cookie = $php_sessid;
while ($line = fgets($fp, 2048)) {
list($name, $svar) = explode("=", $line);
$GLOBALS[$name] = unserialize($svar);
$session->sdata[$name] = $name;
}
fclose($fp);
}
function session_register($var) {
global $session;
// echo "DEBUG : session_register : " . $var . "=" . $GLOBALS[$var] .. "\n
";
$session->sdata[$var] = $var;
}
function session_unregister($var) {
global $session;
unset ($session->sdata[$var]);
}
function session_destroy() {
global $session;
@unlink($session->sfile);
unset($session->sdata);
//setcookie($session->name, '', time() - 36000, "/");
}
function session_save() {
global $session;
if (! is_array($session->sdata)) return;
if (file_exists($session->sfile)) {
$fp = fopen($session->sfile, "r+");
} else {
$fp = fopen($session->sfile, "w");
}
flock($fp, 2); // exclusive lock and wait
fputs($fp, trim($session->cookie) . "\n");
$i = 0;
reset($session->sdata);
while ($i++ < count($session->sdata)) {
$var = key($session->sdata);
$data = $GLOBALS[$var];
$svar = serialize($data);
fputs($fp,$var . "=" . $svar . "\n");
next($session->sdata);
}
fclose($fp);
}
$session = new session();
?>