/usr/local/vufind/module/VuFind/src/VuFind/Session/File.php
- foreach (glob($this->getPath() . "/sess_*") as $filename) {
- if (filemtime($filename) + $maxlifetime < time()) {
- unlink($filename);
- }
- }
- return true;
- }
-
- /**
- * A function that is called internally when session data is to be saved.
- *
- * @param string $sess_id The current session ID
- * @param string $data The session data to write
- *
- * @return bool
- */
- protected function saveSession($sess_id, $data)
- {
- $sess_file = $this->getPath() . '/sess_' . $sess_id;
- if ($fp = fopen($sess_file, "w")) {
- $return = fwrite($fp, $data);
- fclose($fp);
- if ($return !== false) {
- return true;
- }
- }
- // If we got this far, something went wrong with the file output...
- // It is tempting to throw an exception here, but this code is called
- // outside of the context of exception handling, so all we can do is
- // echo a message.
- echo 'Cannot write session to ' . $sess_file . "\n";
- return false;
- }
- }
-
/usr/local/vufind/module/VuFind/src/VuFind/Session/File.php
foreach (glob($this->getPath() . "/sess_*") as $filename) {
if (filemtime($filename) + $maxlifetime < time()) {
unlink($filename);
}
}
return true;
}
/**
* A function that is called internally when session data is to be saved.
*
* @param string $sess_id The current session ID
* @param string $data The session data to write
*
* @return bool
*/
protected function saveSession($sess_id, $data)
{
$sess_file = $this->getPath() . '/sess_' . $sess_id;
if ($fp = fopen($sess_file, "w")) {
$return = fwrite($fp, $data);
fclose($fp);
if ($return !== false) {
return true;
}
}
// If we got this far, something went wrong with the file output...
// It is tempting to throw an exception here, but this code is called
// outside of the context of exception handling, so all we can do is
// echo a message.
echo 'Cannot write session to ' . $sess_file . "\n";
return false;
}
}
/usr/local/vufind/module/VuFind/src/VuFind/Session/AbstractBase.php
// Anecdotal testing Today and Yesterday seems to indicate destroy()
// is called by the garbage collector and everything is good.
// Something to keep in mind though.
return true;
}
/**
* Write function that is called when session data is to be saved.
*
* @param string $sess_id The current session ID
* @param string $data The session data to write
*
* @return bool
*/
public function write($sess_id, $data)
{
if ($this->writesDisabled) {
return true;
}
return $this->saveSession($sess_id, $data);
}
/**
* A function that is called internally when session data is to be saved.
*
* @param string $sess_id The current session ID
* @param string $data The session data to write
*
* @return bool
*/
abstract protected function saveSession($sess_id, $data);
}
/usr/local/vufind/vendor/zendframework/zend-session/src/SessionManager.php
*
* @return void
*/
public function writeClose()
{
// The assumption is that we're using PHP's ext/session.
// session_write_close() will actually overwrite $_SESSION with an
// empty array on completion -- which leads to a mismatch between what
// is in the storage object and $_SESSION. To get around this, we
// temporarily reset $_SESSION to an array, and then re-link it to
// the storage object.
//
// Additionally, while you _can_ write to $_SESSION following a
// session_write_close() operation, no changes made to it will be
// flushed to the session handler. As such, we now mark the storage
// object isImmutable.
$storage = $this->getStorage();
if (! $storage->isImmutable()) {
$_SESSION = $storage->toArray(true);
session_write_close();
$storage->fromArray($_SESSION);
$storage->markImmutable();
}
}
/**
* Attempt to set the session name
*
* If the session has already been started, or if the name provided fails
* validation, an exception will be raised.
*
* @param string $name
* @return SessionManager
* @throws Exception\InvalidArgumentException
*/
public function setName($name)
{
if ($this->sessionExists()) {
throw new Exception\InvalidArgumentException(
'Cannot set session name after a session has already started'
Timothy David Snyder (born 1969) is an American historian specializing in the history of Central and Eastern Europe, the Soviet Union, and the Holocaust. He is on leave from his position as the Richard C. Levin Professor of History at Yale University, with plans to transfer to the University of Toronto for an indefinite time. He is a permanent fellow at the Institute for Human Sciences in Vienna.
Snyder serves on the Committee on Conscience of the United States Holocaust Memorial Museum. He is a member of the Council on Foreign Relations. Timothy Snyder holds the inaugural Chair in Modern European History, supported by the Temerty Endowment for Ukrainian Studies, at the Munk School at the University of Toronto. As of 2025, he is on leave from his position at Yale University and will teach at the Munk School in the 2025–26 academic year.