symfony2.4的twig中date用法分析

{{ "now"|date("Y-m-d") }} //2014-03-06

{{ "+3 day"|date('Y-m-d') }} //2014-03-09//或者date('+3days') //2014-03-09

{{ var|date("Y-m-d") }} //2014-03-06

{{ var|date_modify("+1 day")|date("Y-m-d") }} //2014-03-07

{{ var is empty ? "" : var|date("Y-m-d") }}

{{ var|date("Y-m-d", "Europe/Paris") }} //设置时区为欧洲巴黎{{ var|date("Y-m-d", false) }} //设置当前时区