function system_update_8050

Convert mail settings to config.

Related topics

File

drupal/core/modules/system/system.install, line 2032

Install, update and uninstall functions for the system module.

Code

function system_update_8050() {

  // Update any mail interfaces to their Drupal 8 equivalents.
  $old_mail_system_settings = update_variable_get('mail_system');
  if ($old_mail_system_settings) {
    $new_mail_system_settings = array();
    foreach ($old_mail_system_settings as $key => $mailer_class) {

      // Update old class name to PSR-0.
      if ($mailer_class == 'DefaultMailSystem') {
        $mailer_class = 'Drupal\\Core\\Mail\\PhpMail';
      }

      // New default key.
      if ($key == 'default-system') {
        $new_mail_system_settings['default'] = $mailer_class;
        unset($old_mail_system_settings[$key]);
      }
    }
    if (count($old_mail_system_settings)) {

      // Warn about non-core classes which may need to be updated.
      drupal_set_message(format_string('The following mail backends need to be re-configured: @list.', array(
        '@list' => implode(', ', $old_mail_system_settings),
      )), 'warning');
    }
    $new_mail_system_settings += $old_mail_system_settings;

    // Save the updated variable, and let update_variables_to_config convert it.
    if ($new_mail_system_settings) {
      update_variable_set('mail_system', $new_mail_system_settings);
    }
  }
  update_variables_to_config('system.mail', array(
    'mail_system' => 'interface',
  ));
}