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minor #2764 Document combining JSON constants (pbowyer)

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This PR was submitted for the 2.x branch but it was merged into the 1.x branch instead (closes #2764).

Discussion
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Document combining JSON constants

Working out how to do this took a Slack conversation and a StackOverflow answer. I'm adding ti to the documentation so others can get the answer immediately.

Apologies for any reST errors, it's been 10+ years since I wrote any.

Commits
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7f4ecd66 Document combining JSON constants
This commit is contained in:
Fabien Potencier
2018-10-12 05:51:40 -07:00
parent 4eea72c25c 7f4ecd66f1
commit eadba855bb
1 changed files with 3 additions and 1 deletions
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doc/filters/json_encode.rst
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@@ -15,7 +15,9 @@ Arguments
---------
* ``options``: A bitmask of `json_encode options`_ (``{{
data|json_encode(constant('JSON_PRETTY_PRINT')) }}``)
data|json_encode(constant('JSON_PRETTY_PRINT')) }}``. Combine constants using `Twig's bitwise operators`: ``{{
data|json_encode(constant('JSON_PRETTY_PRINT') b-or constant('JSON_HEX_QUOT') }}``)
.. _`json_encode`: https://secure.php.net/json_encode
.. _`json_encode options`: https://secure.php.net/manual/en/json.constants.php
.. `Twig's bitwise operators`: https://twig.symfony.com/doc/2.x/templates.html#logic