[wp-trac] [WordPress Trac] #16781: is_wp_error() simplification

[WordPress Trac]

#16781: is_wp_error() simplification
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 Reporter:  hakre        |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  General      |     Version:  3.1
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |
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Comment (by hakre):

 Second patch is faults, must be is_a() instead of is_subclass_of(), so
 first patch is already with subclassing.

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Ticket URL: <http://core.trac.wordpress.org/ticket/16781#comment:3>
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