function _panopoly_core_rollback_demo_content in Panopoly Core 7

Helpfer function to import demo content for apps using Migrate.

File

./panopoly_core.module, line 321

Code

function _panopoly_core_rollback_demo_content($classes = array()) {

  // Roll back the migrations to delete the demo content.
  foreach ($classes as $class) {

    // Get a handle on our migration class.
    $migration = Migration::getInstance($class);

    // Disable message output from migrate ince this import is used within
    // the context of the Apps module where these messages make no sense.
    Migration::setDisplayFunction('_panopoly_core_null_message');

    // Roll back the migration.
    $migration
      ->processRollback();

    // deregister the Migration classes since it will not exist after the
    // module is disabled.
    Migration::deregisterMigration($class);
  }
}