function _drupal_session_read in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 modules/memcache/unstable/memcache-session.inc \_drupal_session_read()

1 string reference to '_drupal_session_read'

drupal_session_initialize in modules/memcache/unstable/memcache-session.inc

Initialize the session handler, starting a session if needed.

File

modules/memcache/unstable/memcache-session.inc, line 34

Code

function _drupal_session_read($key) {
  global $user;

  // Write and Close handlers are called after destructing objects since PHP 5.0.5
  // Thus destructors can use sessions but session handler can't use objects.
  // So we are moving session closure before destructing objects.
  register_shutdown_function('session_write_close');

  // Handle the case of first time visitors and clients that don't store
  // cookies (eg. web crawlers).
  if (!isset($_COOKIE[session_name()])) {
    $user = drupal_anonymous_user();
    return '';
  }

  // Otherwise, if the session is still active, we have a record of the
  // client's session in memcache.
  $session = dmemcache_get($key, 'session');
  $user = _memcache_session_user_load($session);

  // Record whether this session contains data so that in sess_write() it can
  // be determined whether to skip a write.
  $user->session_data_present_at_load = !empty($session->session);
  return $user->session;
}