[wp-trac] [WordPress Trac] #48249: Check for int instead of null in new submenu priority implementation

[WordPress Trac]

#48249: Check for int instead of null in new submenu priority implementation
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 Reporter:  david.binda                    |       Owner:  audrasjb
     Type:  defect (bug)                   |      Status:  reviewing
 Priority:  normal                         |   Milestone:  5.3
Component:  Menus                          |     Version:  trunk
 Severity:  normal                         |  Resolution:
 Keywords:  has-patch commit dev-reviewed  |     Focuses:
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Comment (by david.binda):

 +1 for adding `_doing_it_wrong()` message.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48249#comment:13>
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