Config::getModules

public function getModules()
{
	if (! $modules =& self::$modules)
	{
		$default = array('ACTIVE' => ! ModuleManager::isModuleInstalled('sale'));

		foreach (
			array(
				AttributeManager::getTypesInternal(),
				CounterManager::getTypesInternal(),
				RateManager::getTypesInternal(),
			) as $types)
		{
			foreach ($types as $type)
			{
				$modules[$type['MODULE']] = $default;
			}
		}

		if ($modules['sale'])
		{
			$modules['sale']['ACTIVE'] = true;
		}

		$modules = unserialize(Option::get('conversion', 'MODULES', 'a:0:{}')) + $modules;

		// TODO all modules with attributes must be active
		$modules['conversion'] = $modules['abtest'] = $modules['sender'] = $modules['seo'] = array('ACTIVE' => true);

		ksort($modules);
	}

	return $modules;
}