[wp-trac] [WordPress Trac] #34430: Improve the performance of wp_make_content_images_responsive()

[WordPress Trac]

#34430: Improve the performance of wp_make_content_images_responsive()
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 Reporter:  joemcgill                           |       Owner:  joemcgill
     Type:  defect (bug)                        |      Status:  assigned
 Priority:  normal                              |   Milestone:  4.4
Component:  Media                               |     Version:  trunk
 Severity:  normal                              |  Resolution:
 Keywords:  has-patch needs-testing needs-docs  |     Focuses:
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Comment (by azaozz):

 In 34430.11.diff:
 - Fix _wp_upload_dir_baseurl() to cache by blog_id.
 - Replace `path_join()` with `trailingslashit(). We are joining URLs,
 there's no need for the extra checks in path_join() (and it's much
 slower).
 - Rename `$image_url' to `$image_sec` for consistency (used at about 50
 other places).

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Ticket URL: <https://core.trac.wordpress.org/ticket/34430#comment:34>
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