[wp-trac] [WordPress Trac] #12745: Call to undefined function get_post_thumbnail_id()

[WordPress Trac]

#12745: Call to undefined function get_post_thumbnail_id()
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 Reporter:  dphiffer           |       Owner:
     Type:  defect (bug)       |      Status:  closed
 Priority:  normal             |   Milestone:
Component:  General            |     Version:  3.0.1
 Severity:  normal             |  Resolution:  fixed
 Keywords:  reporter-feedback  |
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Comment (by markoheijnen):

 I think there should be a real solution for this. If this was just a
 front-end issue it would be fine with me but it isn't.
 When using it in the back-end it also creates the error. I know you
 can/should check if the theme supports it because you can show a warning
 to the user.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12745#comment:11>
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