[wp-trac] [WordPress Trac] #23255: get_post_format() can throw PHP notice and doesn't return WP_Error

[WordPress Trac]

#23255: get_post_format() can throw PHP notice and doesn't return WP_Error
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 Reporter:  azaozz        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  3.6
Component:  General       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |
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Comment (by azaozz):

 For consistency's sake we should add a check whether `$post` exists and
 return WP_Error, however that might break back-compat in plugins that
 expect either `false` or a string and don't follow core's example.

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Ticket URL: <http://core.trac.wordpress.org/ticket/23255#comment:1>
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