[wp-trac] [WordPress Trac] #27538: Widget Customizer: Persistent object cache/Transients causes certain previewed widgets to leak outside of customizer

[WordPress Trac]

#27538: Widget Customizer: Persistent object cache/Transients causes certain
previewed widgets to leak outside of customizer
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 Reporter:  westonruter   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  high          |   Milestone:  3.9
Component:  Widgets       |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by westonruter):

 As discussed on IRC, we can invoke `wp_suspend_cache_addition()` before
 rendering each widget in the preview to prevent the cache from getting
 polluted. Also, `wp_suspend_cache_addition()` should also suspend setting
 transients.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27538#comment:8>
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