[wp-trac] [WordPress Trac] #47720: Walker_Nav_Menu filter nav_menu_link_attributes checks $atts argument via empty() and not isset(), causing confusion with legitimate values that evaluate to boolean false

[WordPress Trac]

#47720: Walker_Nav_Menu filter nav_menu_link_attributes checks $atts argument via
empty() and not isset(), causing confusion with legitimate values that
evaluate to boolean false
-------------------------------------+-----------------------------
 Reporter:  nevma                    |       Owner:  SergeyBiryukov
     Type:  defect (bug)             |      Status:  reviewing
 Priority:  normal                   |   Milestone:  5.3
Component:  Menus                    |     Version:  5.2.2
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  template
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Comment (by davidbaumwald):

 @SergeyBiryukov Is this still realistic for 5.3?  If not, feel free to
 move to `Future Release` or `5.4` based on your preference.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47720#comment:4>
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