[wp-trac] [WordPress Trac] #21828: ERR_NOTICE in wp_mime_type_icon

[WordPress Trac]

#21828: ERR_NOTICE in wp_mime_type_icon
--------------------------+-----------------------------
 Reporter:  mark8barnes   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Gallery       |    Version:  3.4.1
 Severity:  minor         |   Keywords:  has-patch
--------------------------+-----------------------------
 There's a bug in wp_mime_type_icon (wp-includes/post.php) which gives an
 ERR_NOTICE when a non-numeric mime-type is retrieved from the cache. The
 second line of the following code reproduces the error:
 {{{
 $icon1 = wp_mime_type_icon ('application/ogg'); // No cache, so no error
 $icon2 = wp_mime_type_icon ('application/ogg'); // Uses cache, so gives
 error
 }}}
 The full message is `Notice: Undefined variable: post_id in
 D:\web\htdocs\wordpress\wp-includes\post.php on line 4127`

 The problem is obvious from the code and easy to fix. The attached patch
 does that.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21828>
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