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twig extendでif文は使えないので三項演算子を使う

Last updated at Posted at 2017-09-21

ログイン可否でレイアウトを分けたいが
if文の分岐では500エラーが出てしまう。
三項演算子を使うと上手くいった。

間違ったコード

sample.twig
{% if abc() %}
  {% extends 'twig/test1.twig' %}
{% else %}
  {% extends 'twig/test2.twig' %}
{% endif %}
(後略)

500エラー文
Twig_Error_Syntax: "An exception has been thrown during the compilation of a template ("Node "1" does not exist for Node "Twig_Node".") in "今いるURL"."[Previous] LogicException: "Node "1" does not exist for Node "Twig_Node"."

上手くいったコード

qiita.rb
{% extends abc() ? " twig/test1.twig " : " twig/test2.twig " %}

正常に表示される。

以下のURLを参考にif文ではなく三項演算子を使うとうまくいった

参考URL
https://github.com/symfony-japan/twig-docs-ja/blob/master/recipes.rst

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