[wp-trac] [WordPress Trac] #20443: Featured image cannot be set if WordPress install path contains spaces

[WordPress Trac]

#20443: Featured image cannot be set if WordPress install path contains spaces
--------------------------+-----------------------------
 Reporter:  rosshanney    |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
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 If WordPress is installed in a directory with a name that contains spaces
 ("/home/username/public_html/path with spaces", for example), the Featured
 Image meta box displays only a PHP warning, preventing a Featured Image
 from being set.

 The warning is as follows, and seems to appear with or without WP_DEBUG
 enabled:

 {{{
 Warning: sprintf() [function.sprintf]: Too few arguments in
 C:\path\htdocs\path with spaces\wp-admin\includes\post.php on line 1149
 }}}

 I think this is caused by the extra % characters introduced after encoding
 the URL from `get_upload_iframe_src`, which confuse the subsequent
 `sprintf` calls.

 As reported [http://wordpress.org/support/topic/featured-images-error
 here] on the support forums.

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Ticket URL: <http://core.trac.wordpress.org/ticket/20443>
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