get container static

AppKernel.php

/**
     * @var \Symfony\Component\DependencyInjection\Container
     */
    private static $_container;

    /**
     * override parent getContainer() and save container staticly
     */
    public function getContainer()
    {
        if(!self::$_container)
        {
            self::$_container = $this->container;
        }

        return $this->container;
    }

    /**
     * @return \Symfony\Component\DependencyInjection\Container
     */
    public static function getContainerStatic()
    {
        return self::$_container;
    }