[wp-trac] [WordPress Trac] #17628: Fix $sendback for post row actions when no HTTP_REFERER is found

[WordPress Trac]

#17628: Fix $sendback for post row actions when no HTTP_REFERER is found
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 Reporter:  mitchoyoshitaka  |      Owner:  mitchoyoshitaka
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Administration   |    Version:
 Severity:  normal           |   Keywords:  has-patch
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 On a system which doesn't properly project HTTP_REFERERs, the post row
 actions such as "delete", "restore", etc. will send the user back to
 post.php *without* the relevant post_type set, so a user can be managing
 pages or a custom post type and get kicked over to the general post.php.

 Along the way, I discovered that the logic of wp_get_http_referer
 (introduced in r7438) didn't really make sense... in particular, if no
 HTTP_REFERER or _wp_http_referer is found, it will return an empty string
 instead of false. Discussed this with nacin and duck_ on irc and the
 correction for this is also included in the patch.

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Ticket URL: <http://core.trac.wordpress.org/ticket/17628>
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