Method load

/**
 * Load published modules.
 *
 * @return  array
 *
 * @since   3.2
 */
protected static function &load()
{
    static $modules;
    if (isset($modules)) {
        return $modules;
    }
    $app = Factory::getApplication();
    $modules = null;
    $app->triggerEvent('onPrepareModuleList', array(&$modules));
    // If the onPrepareModuleList event returns an array of modules, then ignore the default module list creation
    if (!\is_array($modules)) {
        $modules = static::getModuleList();
    }
    $app->triggerEvent('onAfterModuleList', array(&$modules));
    $modules = static::cleanModuleList($modules);
    $app->triggerEvent('onAfterCleanModuleList', array(&$modules));
    return $modules;
}