In `get_media_item()`, `$tags` and `$_tags` are set and never used.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28125 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `attachment_submit_meta_box()`, remove dead code:

* `$action` doesn't need to be imported.
* `$can_publish` is set and never used, which means it doesn't need...
* `$post_type_object` or `$post_type`, which only served `$can_publish`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28126 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `update_option_new_admin_email()`, `$email` is set and never used.

See #27882.


Built from https://develop.svn.wordpress.org/trunk@28299


git-svn-id: http://core.svn.wordpress.org/trunk@28127 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/includes/nav-menu.php`, remove dead code:

* In `_wp_ajax_menu_quick_search()`, in an `else` block, `$post_obj` was set and not used. Another block sets it again and does use it. 
* In `wp_nav_menu_item_post_type_meta_box()`, `$post_type_object` was set and, sadly, never used. `$error` was set and not used. 

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28128 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `install_plugin_information()`, `$title` is set in a `foreach` loop and never used. This appears to be due to copy-pasting a previous `foreach` loop and not discarding these bits.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28129 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `get_sample_permalink_html()`, `$view_link` is set and never used.

See #27882.


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git-svn-id: http://core.svn.wordpress.org/trunk@28130 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `WP_Screen::render_screen_options()`, remove dead code:

* `$wp_list_table` does not need to be imported.
* `$post` is set and never used.

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28303


git-svn-id: http://core.svn.wordpress.org/trunk@28131 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/includes/update.php`, remove dead code:

* In `get_core_checksums()`, `$return` is set and never used.
* In `core_update_footer()`, `break` is unnecessary and unreachable after `return`.
* In `get_theme_updates()`, `$themes` is set and never used.
* In `wp_theme_update_row()`, `$theme_name` is the only user of `$themes_allowedtags`... neither are used. 	

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28132 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp-admin/includes/upgrade.php`, remove dead code:

* In `maybe_create_table()` and `maybe_add_column()`, the response of `$wpdb->query()` is set to a variable that is never used.
* In `make_db_current_silent()`, which is a wrapper for `dbDelta`, a variable is set that is not used. This function appears to be a copy-paste of `make_db_current()`'s `dbDelta()` call but is meant to return nothing, and still does not.  

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28133 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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.


Built from https://develop.svn.wordpress.org/trunk@28308


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.


Built from https://develop.svn.wordpress.org/trunk@28309


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.

Built from https://develop.svn.wordpress.org/trunk@28310


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.

Built from https://develop.svn.wordpress.org/trunk@28311


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.

Built from https://develop.svn.wordpress.org/trunk@28312


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.

Built from https://develop.svn.wordpress.org/trunk@28313


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.

Built from https://develop.svn.wordpress.org/trunk@28314


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.

Built from https://develop.svn.wordpress.org/trunk@28315


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.

Built from https://develop.svn.wordpress.org/trunk@28316


git-svn-id: http://core.svn.wordpress.org/trunk@28144 1a063a9b-81f0-0310-95a4-ce76da25c4cd