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function sess_regenerate in Memcache API and Integration 6

Same name and namespace in other branches
  1. 5.2 session-memcache.inc \sess_regenerate()
  2. 5.2 session-memcache-db.inc \sess_regenerate()
  3. 5.2 session-memcache.db.inc \sess_regenerate()
  4. 5 memcache-session.inc \sess_regenerate()

File

./memcache-session.inc, line 158
User session handling functions.

Code

function sess_regenerate() {

  // We code around http://bugs.php.net/bug.php?id=32802 by destroying
  // the session cookie by setting expiration in the past (a negative
  // value).  This issue only arises in PHP versions before 4.4.0,
  // regardless of the Drupal configuration.
  // TODO: remove this when we require at least PHP 4.4.0
  if (isset($_COOKIE[session_name()])) {
    setcookie(session_name(), '', $_SERVER['REQUEST_TIME'] - 42000, '/');
  }

  // Store the current (anonymous) session id.
  $old_session_id = session_id();

  // Generate the new (authenticated) session id.
  session_regenerate_id();
  $key = session_id();

  // Grab the user's information that is cached with the anonymous key.
  $info = dmemcache_get($old_session_id, 'session');

  // Update it.
  $info->sid = $key;

  // Store it with the new key.
  dmemcache_set($key, $info, ini_get('session.gc_maxlifetime'), 'session');

  // Clear the old data from the cache.
  dmemcache_delete($old_session_id, 'session');
}