日期差异 [英] Twig date difference

问题描述

我有一个具有开始日期和结束日期的实体。

I've got an entity with a starting date and an ending date.

是否可以通过使用twig获得时间差异？ p>

Is it possible to get the difference in time between them by using twig?

推荐答案

没有内置函数可以做到这一点，但你可以很容易地做到这一点， extend twig 很容易！

There's no built-in function to do that, but you can easily do it yourself, extending twig is easy!

快速的方式是使用twig的简单函数类来实现：

The quick'n'easy way is to do it with twig's simple function class:

$function = new Twig_SimpleFunction('date_difference', function ($start, $end) {
    // ... calculate difference and return it
});

// assuming $twig is an instance of Twig_Environment
$twig->addFunction($function);

可重用的方法是创建一个twig扩展（记录在同一个链接上）。这很简单。

The reusable way is to create a twig extension (documented on the same link). That's still easy.

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