[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 johnbillion):

 With persistent caching we'll need to be careful not to pollute the upload
 dir URL where a site is using different domain names and/or different
 schemes for the home URL, site URL, and admin area. Tests should reflect
 this.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34359#comment:4>
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