Base::getComponentDependencies

public function getComponentDependencies(): ?array
{
	$config = $this->getConfig();
	$result = [];
	if (is_array($config))
	{
		if (array_keys($config) !== range(0, count($config) - 1)) {
			if (isset($config['components'])) {
				if (is_array($config['components'])) {
					return $config['components'];
				}
			}
		}
		else
		{
			$result = null;
		}

	}

	return $result;
}