In `display_setup_form()`, `$admin_password` is set and (fortunately) not used or displayed. 

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28134 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/link.php`, `break` is unreachabled after `exit`.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28135 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/network/themes.php`, `break` is unreachabled after `exit`.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28136 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/network/users.php`, `break` is unreachabled after `exit`.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28137 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/plugin-editor.php`, `break` is unreachabled after `exit`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28138 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/plugins.php`, `break` is unreachabled after `exit`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28139 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/post.php`, `break` is unreachabled after `exit`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28140 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/theme-editor.php`, `break` is unreachabled after `exit`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28141 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `core_upgrade_preamble()`, `$alternate` is set then never used.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28142 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/users.php`, `break` is unreachabled after `exit`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28143 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-includes/bookmark.php`, remove dead code:

* In `get_bookmarks()`, `$cache` is set twice before it is used. 
* In `sanitize_bookmark_field()`, `break` is unreachable after `return`

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28144 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `WP_Http_Curl::request()`, `$theResponse` is unused. There are other `curl_exec()` calls that do not return as well.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28145 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-includes/class-wp-admin-bar.php`, `break` is unreachabled after `return`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28146 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-includes/class-wp-customize-setting.php`, `break` is unreachable after `return`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28147 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `WP_Image_Editor::get_output_format()`, `$file_mime` and `$file_ext` are set twice before they are used.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28148 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update deleted site message in ms_site_check().

props boonebgorges.
fixes #28150.
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git-svn-id: http://core.svn.wordpress.org/trunk@28149 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `Walker::walk()` and `Walker::paged_walk()`, `$id_field` is set and never used.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28150 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-includes/comment-template.php`, remove dead code:

* In `get_comment_reply_link()`, `$link` is set twice before it is used.
* In `Walker_Comment::start_lvl()`, `case 'ul':` is unreachable unless placed before `default:`. 
* In `Walker_Comment::end_lvl()`, `case 'ul':` is unreachable unless placed before `default:`.
* In `comment_form()`, `$id` is conditionally set and never used. 

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28151 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp_set_comment_status()`, the `default` case returns, so no default value for `$status` is needed.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28152 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-includes/functions.php`, remove dead code:

* In `current_time()`, `break` is unreachable after `return`.
* In `add_query_arg()`, `$ret` is set twice before being used.
* In `wp_mkdir_p()`, `$dir_perms` is set twice before being used.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28153 1a063a9b-81f0-0310-95a4-ce76da25c4cd