[wp-trac] [WordPress Trac] #29019: List_Table classes can be redeclared when code is cached

[WordPress Trac]

#29019: List_Table classes can be redeclared when code is cached
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 Reporter:  dwigton         |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Administration  |     Version:  3.9.1
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:
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Comment (by dwigton):

 Replying to [comment:1 nacin]:
 > This sounds like opcode cache issues.
 I agree but am still working on nailing down why. opcode cache should not
 behave in this way, But I do think that wordpress could be hardened
 against a whole class of similar issues with the patch I am including.
 Just adding two lines to check if the class already exists. require_once
 should take care of it, but in this case does not.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29019#comment:2>
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