[wp-trac] [WordPress Trac] #34359: Cache output of `wp_upload_dir()` to improve performance

[WordPress Trac]

#34359: Cache output of `wp_upload_dir()` to improve performance
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 Reporter:  DH-Shredder   |       Owner:  DH-Shredder
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  4.4
Component:  Media         |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  multisite, performance
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Comment (by boonebgorges):

 +1. I've noticed the overhead in the past, too.

 We should be careful to cache before filters. Lots of plugins (like
 BuddyPress) filter `wp_upload_dir()` conditionally - based on current
 context, current user, etc - and we need to make sure it's still possible
 to filter in this way.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34359#comment:3>
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