[wp-trac] [WordPress Trac] #43312: PHP 7.2 warning in wp_kses_attr()

[WordPress Trac]

#43312: PHP 7.2 warning in wp_kses_attr()
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 Reporter:  andrei0x309                      |       Owner:  SergeyBiryukov
     Type:  defect (bug)                     |      Status:  reopened
 Priority:  normal                           |   Milestone:  4.9.5
Component:  Formatting                       |     Version:
 Severity:  normal                           |  Resolution:
 Keywords:  has-patch has-unit-tests commit  |     Focuses:
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Comment (by ocean90):

 I still don't see how it's function differently now? Could you explain
 this with a real world use case please?

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Ticket URL: <https://core.trac.wordpress.org/ticket/43312#comment:23>
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