{{ constant('Symfony\Component\HttpKernel\Kernel::VERSION') }} //显示当前symfony的版本
#div { opacity: 0; -webkit-animation: fade-in 1s .9s forwards; animation: fade-in 1s .9s forwards;} //渐入动画
{{ constant('Symfony\Component\HttpKernel\Kernel::VERSION') }} //显示当前symfony的版本
#div { opacity: 0; -webkit-animation: fade-in 1s .9s forwards; animation: fade-in 1s .9s forwards;} //渐入动画