[wp-trac] [WordPress Trac] #29583: The getter in WP_Error may cause an "Undefined property" notice

[WordPress Trac]

#29583: The getter in WP_Error may cause an "Undefined property" notice
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 Reporter:  bjornjohansen  |       Owner:  SergeyBiryukov
     Type:  defect (bug)   |      Status:  closed
 Priority:  normal         |   Milestone:  4.1
Component:  General        |     Version:  4.0
 Severity:  normal         |  Resolution:  fixed
 Keywords:  has-patch      |     Focuses:
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Comment (by dd32):

 A note on the above change - As of 4.2 & [31138] WP_Error no longer has
 magic methods, but keeping this code rather than reverting as a reminder
 to others that it can be a non-object.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29583#comment:10>
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