[wp-trac] [WordPress Trac] #19342: Call to undefined function convert_to_screen when using plugins with custom meta boxes

[WordPress Trac]

#19342: Call to undefined function convert_to_screen when using plugins with custom
meta boxes
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 Reporter:  jackdewey     |       Owner:  nacin
     Type:  defect (bug)  |      Status:  reviewing
 Priority:  normal        |   Milestone:  3.3
Component:  Template      |     Version:  3.3
 Severity:  major         |  Resolution:
 Keywords:                |
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Changes (by nacin):

 * severity:  blocker => major


Comment:

 Link Library is doing a very bad thing: `require_once(ABSPATH . '/wp-
 admin/includes/template.php');`

 add_meta_box() is only available in the admin for a reason — it should be
 hooked into an admin hook, rather than force-requiring files.

 The only thing we could do here is move convert_to_screen() back to
 template.php, but stuff would still break since the screen isn't
 available.

 We should do a grep and warn plugin authors doing it wrong.

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Ticket URL: <http://core.trac.wordpress.org/ticket/19342#comment:2>
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