function _drupal_shutdown_function

Executes registered shutdown functions.

File

drupal/core/includes/bootstrap.inc, line 3355

Functions that need to be loaded on every Drupal request.

Code

function _drupal_shutdown_function() {
  $callbacks =& drupal_register_shutdown_function();

  // Set the CWD to DRUPAL_ROOT as it is not guaranteed to be the same as it
  // was in the normal context of execution.
  chdir(DRUPAL_ROOT);
  try {
    while (list($key, $callback) = each($callbacks)) {
      call_user_func_array($callback['callback'], $callback['arguments']);
    }
  } catch (Exception $exception) {

    // If we are displaying errors, then do so with no possibility of a further
    // uncaught exception being thrown.
    require_once DRUPAL_ROOT . '/core/includes/errors.inc';
    if (error_displayable()) {
      print '<h1>Uncaught exception thrown in shutdown function.</h1>';
      print '<p>' . _drupal_render_exception_safe($exception) . '</p><hr />';
    }
    error_log($exception);
  }
}