[wp-trac] [WordPress Trac] #43258: Output buffer template rendering and add filter for post-processing (e.g. caching, optimization)

[WordPress Trac]

#43258: Output buffer template rendering and add filter for post-processing (e.g.
caching, optimization)
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 Reporter:  nextendweb                           |       Owner:
                                                 |  westonruter
     Type:  enhancement                          |      Status:  closed
 Priority:  normal                               |   Milestone:  6.9
Component:  General                              |     Version:
 Severity:  normal                               |  Resolution:  fixed
 Keywords:  has-patch has-unit-tests dev-        |     Focuses:  docs,
  feedback needs-dev-note                        |  performance
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Comment (by westonruter):

 Replying to [comment:73 swissspidy]:
 > @westonruter FYI there's this new deprecation on PHP 8.5:

 Unit test issue fixed by [60945].

 We should better handle content being printed while applying
 `wp_template_enhancement_output_buffer` filters. Probably most common case
 here would be filter callbacks that have some logic which results in
 `_doing_it_wrong()` or `wp_trigger_error()` being called, while
 `WP_DEBUG_DISPLAY` is enabled. I've also opened the #64108 defect ticket
 to address this.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43258#comment:76>
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