[wp-trac] [WordPress Trac] #12414: delete_post_meta not working correctly when used with save_post

[WordPress Trac]

#12414: delete_post_meta not working correctly when used with save_post
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 Reporter:  studiograsshopper  |       Owner:                   
     Type:  defect (bug)       |      Status:  new              
 Priority:  normal             |   Milestone:  3.0              
Component:  Administration     |     Version:  3.0              
 Severity:  normal             |    Keywords:  reporter-feedback
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Comment(by studiograsshopper):

 Replying to [comment:1 dd32]:
 > This is working fine for me in a test run:
 >
 > {{{
 > var_dump(get_post_meta(1, 'key') );
 > array(0) { }
 >
 > var_dump(add_post_meta(1, 'key', 'value'));
 > bool(true)
 >
 > var_dump(get_post_meta(1, 'key') );
 > array(1) { [0]=> string(5) "value" }
 >
 > var_dump( delete_post_meta(1, 'key') );
 > bool(true)
 >
 > var_dump(get_post_meta(1, 'key') );
 > array(0) { }
 > }}}
 >
 > Can you link to the plugin in question which results in the bug? If
 theres a bug, Its not due to the functions, rather something along the
 line where you're calling it.
 >
 > Resetting priority/severity until a problem is confirmed.
 Here's a test plugin. Install and activate, then add data in the new
 metabox, publish post/page. Then blank out one of the fields in the
 metabox and click Update.
 Upon refresh, you should see that the metabox correctly reflects what
 you've just done (one field has content, the other doesn't). Do this with
 both a Page and a Post. Check your wp_postmeta table and you'll see that
 for the Page, the "empty" postmeta meta_key is still in the db, whereas
 for the Post the empty postmeta meta_key has been deleted correctly.
 At least this narrows it down to only showing this behaviour with Pages.
 So, this seems to be an issue wi

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Ticket URL: <http://core.trac.wordpress.org/ticket/12414#comment:2>
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