[wp-trac] [WordPress Trac] #59596: Cache file sizes of core block style files.

[WordPress Trac]

#59596: Cache file sizes of core block style files.
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 Reporter:  spacedmonkey  |      Owner:  (none)
     Type:  enhancement   |     Status:  new
 Priority:  normal        |  Milestone:  Future Release
Component:  Editor        |    Version:  6.3
 Severity:  normal        |   Keywords:
  Focuses:  performance   |
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 Introduced in #58528 / [56044], there is now cache for file lookups for
 core block styles. This was to save file lookups and improve server
 response time. However, when styles are processed in
 `wp_maybe_inline_styles` a file lookup is done using `wp_filesize` to get
 the file size and if the file exists. These lookup can be expensive. As
 there is already an existing transient cache, reuse that to also cache the
 file size of the files.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59596>
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