[wp-trac] [WordPress Trac] #51645: Undefined index: echo in core files

[WordPress Trac]

#51645: Undefined index: echo in core files
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 Reporter:  kellybleck              |       Owner:  SergeyBiryukov
     Type:  defect (bug)            |      Status:  reviewing
 Priority:  normal                  |   Milestone:  5.5.2
Component:  General                 |     Version:  5.2
 Severity:  trivial                 |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:  template
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Comment (by SergeyBiryukov):

 On second thought, that does not fix the issue and changes the behavior of
 the filter to no longer receive custom values. Taking another look.

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Ticket URL: <https://core.trac.wordpress.org/ticket/51645#comment:6>
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