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Add upgrade docs

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Aaron Carlino 2018-05-30 16:24:09 +12:00 committed by Damian Mooyman
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commit 96701b8ea0
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docs/en/04_Changelogs/3.7.0.md Normal file
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# 3.7.0
### Versioned cache segmentation
The cache API now maintains separate cache pools for each versioned stage. This prevents users from caching draft data and then exposing it on the live stage.
```php
// Before:
$cache = SS_Cache::factory('myapp');
Versioned::set_reading_mode('Stage.Live');
$cache->save('Some draft content. Not for public viewing yet.', 'my_key');
Versioned::set_reading_mode('Stage.Stage');
$cache->load('my_key'); // 'Some draft content. Not for public viewing yet'
// After:
$cache = SS_Cache::factory('myapp');
Versioned::set_reading_mode('Stage.Live');
$cache->save('Some draft content. Not for public viewing yet.', 'my_key');
Versioned::set_reading_mode('Stage.Stage');
$cache->load('my_key'); // null
```
Data that is not content sensitive can be cached across stages by simply opting out of the segmented cache with the `disable-container` argument.
```php
$cache = SS_Cache::factory('myapp', 'Output', array('disable-container' => true));
```