[wp-trac] [WordPress Trac] #44977: Transient fill fail delete itself if it's timeout option is absolete

[WordPress Trac]

#44977: Transient fill fail delete itself if it's timeout option is absolete
--------------------------+-----------------------------
 Reporter:  nlozovan      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:  needs-patch
  Focuses:                |
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 Just faced this issue - for some reason, the transient was not deleting
 itself. While checking the DB, the option with the transient was there,
 while the timeout option was missing (probably a glitch while saving to
 DB).
 Now, if you check get_transient() in option.php (quick link
 https://core.trac.wordpress.org/browser/tags/4.9.8/src/wp-
 includes/option.php#L0 ) you can see that these are deleted only if both
 exist and both pass the test:

 [...]
  if ( false !== $timeout && $timeout < time() ) { DELETING TRANSIENT}
 [...]

 Otherwise transient will hang... forever. This should be tuned up so it
 also checks that these options exist, and delete transient if timeout is
 absolete.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44977>
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