[wp-trac] [WordPress Trac] #63501: wp_iframe sends output before send_headers hook causing PHP headers sent notice

[WordPress Trac]

#63501: wp_iframe sends output before send_headers hook causing PHP headers sent
notice
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 Reporter:  kkmuffme      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by adamsilverstein):

 Hi @kkmuffme and thanks for the bug report.

 Can you provide some steps to reproduce? How are you reaching the provided
 URL? (`/wp-admin/media-
 upload.php?post_id=1234&type=image&TB_iframe=1&tab=library`)

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Ticket URL: <https://core.trac.wordpress.org/ticket/63501#comment:2>
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