[wp-trac] [WordPress Trac] #48515: [Theme compatibility] Changes to WP_Theme to add correct header data

[WordPress Trac]

#48515: [Theme compatibility] Changes to WP_Theme to add correct header data
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 Reporter:  afragen         |      Owner:  (none)
     Type:  enhancement     |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Site Health     |    Version:
 Severity:  normal          |   Keywords:  has-patch dev-feedback early
  Focuses:  administration  |
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 There are a couple of changes required for testing theme WP/PHP
 compatibility. This is a prerequisite to all other patches testing theme
 WP/PHP compatibility.

 This started with #44592. This ticket incorporates #44592.
 Fundamentally, this ticket adds the `Requires` and `RequiresPHP` headers
 to themes.

 It then correctly sets these data with a new function
 `get_theme_headers()`. The `get_theme_headers()` function obtains the
 headers from the `style.css` and `readme.txt` files and combines them
 giving precedence to data in the `readme.txt` file. Then it obtains the
 current `Requires` and `RequiresPHP` data from the Theme API and inserts
 these data with highest precedence.

 Related: #48491, #48507, and others to follow.

 Please apply the patch on this ticket in order to test related patches.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48515>
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