[wp-trac] [WordPress Trac] #54192: `get_header_image_tag` doesn't add `srcset`/`sizes`

[WordPress Trac]

#54192: `get_header_image_tag` doesn't add `srcset`/`sizes`
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 Reporter:  strarsis           |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  General            |     Version:
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Changes (by hellofromTonya):

 * keywords:   => reporter-feedback


Comment:

 Hello @strarsis,

 Welcome back to Core's Trac! Thank you for the ticket.

 Replying to [comment:4 strarsis]:
 > Good point. The test case would meet the condition, as `$attr` doesn't
 contain `srcset` and by default `srcset` is not added to `$attr`.

 Does this resolve the ticket and your test case? Or is it still not
 generating the `srcset` and `size`?

 If the problem remains, check the `_wp_attachment_metadata` for the
 attachment (see the code on about L1226. Is it an array? If no, then the
 generation is skipped.

 If it is an array and the generation is not happening, please share step-
 by-step instructions including any code or attachments for contributors to
 reproduce the problem. This type of information helps contributors to
 investigate.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54192#comment:6>
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