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Added a json_decode Twig Filter. #3678

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Jan 21, 2019
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Added a json_decode Twig Filter. #3678

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c237c05
Added a `json_decode` Twig Filter.
lukeholder Jan 21, 2019
f192013
Impove docs and changelog
lukeholder Jan 21, 2019
4cb43fd
Improve json_decode docs
brandonkelly Jan 21, 2019
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3 changes: 3 additions & 0 deletions CHANGELOG-v3.md
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Expand Up @@ -2,6 +2,9 @@

## Unreleased

### Added
- Added the `|json_decode` Twig filter. ([#3678](https://github.com/craftcms/cms/pull/3678))

### Fixed
- Fixed an error that occurred when updating to Craft 3.1 if a plugin or module was calling any soft-deletable records’ `find()` methods.
- Fixed an error that occurred when updating from Craft 2 to Craft 3.1 if there were any RichText fields. ([#3677](https://github.com/craftcms/cms/issues/3677))
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8 changes: 8 additions & 0 deletions docs/dev/filters.md
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Expand Up @@ -247,6 +247,14 @@ Returns an array containing only the values that are also in a passed-in array.

Like Twig’s core [json_encode](https://twig.symfony.com/doc/2.x/filters/json_encode.html) filter, but if the `options` argument isn’t set, it will default to `JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT` if the response content type is either `text/html` or `application/xhtml+xml`.

## `json_decode`

JSON-decodes a string into an array by passing it through <api:yii\helpers\Json::decode()>.

```twig
{% set arr = '[1, 2, 3]'|json_decode %}
```

## `kebab`

Returns a string formatted in “kebab-case”.
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2 changes: 2 additions & 0 deletions src/web/twig/Extension.php
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Expand Up @@ -16,6 +16,7 @@
use craft\helpers\DateTimeHelper;
use craft\helpers\Db;
use craft\helpers\FileHelper;
use craft\helpers\Json;
use craft\helpers\Sequence;
use craft\helpers\StringHelper;
use craft\helpers\Template as TemplateHelper;
Expand Down Expand Up @@ -213,6 +214,7 @@ public function getFilters(): array
new \Twig_SimpleFilter('indexOf', [$this, 'indexOfFilter']),
new \Twig_SimpleFilter('intersect', 'array_intersect'),
new \Twig_SimpleFilter('json_encode', [$this, 'jsonEncodeFilter']),
new \Twig_SimpleFilter('json_decode', [Json::class, 'json_decode']),
new \Twig_SimpleFilter('kebab', [$this, 'kebabFilter']),
new \Twig_SimpleFilter('lcfirst', [$this, 'lcfirstFilter']),
new \Twig_SimpleFilter('literal', [$this, 'literalFilter']),
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