diff --git a/wp-activate.php b/wp-activate.php
index cce96dc57c..22d69acf60 100644
--- a/wp-activate.php
+++ b/wp-activate.php
@@ -128,4 +128,4 @@ get_header();
 	var key_input = document.getElementById('key');
 	key_input && key_input.focus();
 </script>
-<?php get_footer(); ?>
+<?php get_footer();
diff --git a/wp-admin/includes/class-wp-comments-list-table.php b/wp-admin/includes/class-wp-comments-list-table.php
index af33c5bbc9..cb474c3794 100644
--- a/wp-admin/includes/class-wp-comments-list-table.php
+++ b/wp-admin/includes/class-wp-comments-list-table.php
@@ -248,7 +248,7 @@ class WP_Comments_List_Table extends WP_List_Table {
 				) );
 
 				foreach ( $comment_types as $type => $label )
-					echo "\t<option value='" . esc_attr( $type ) . "'" . selected( $comment_type, $type, false ) . ">$label</option>\n";
+					echo "\t" . '<option value="' . esc_attr( $type ) . '"' . selected( $comment_type, $type, false ) . ">$label</option>\n";
 			?>
 			</select>
 <?php
diff --git a/wp-admin/includes/class-wp-filesystem-ftpsockets.php b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
index 0d56f121d3..53aa98dc40 100644
--- a/wp-admin/includes/class-wp-filesystem-ftpsockets.php
+++ b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
@@ -24,8 +24,9 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
 		$this->errors = new WP_Error();
 
 		// Check if possible to use ftp functions.
-		if ( ! @include_once ABSPATH . 'wp-admin/includes/class-ftp.php' )
-				return false;
+		if ( ! @include_once( ABSPATH . 'wp-admin/includes/class-ftp.php' ) ) {
+			return false;
+		}
 		$this->ftp = new ftp();
 
 		if ( empty($opt['port']) )
diff --git a/wp-admin/includes/class-wp-list-table.php b/wp-admin/includes/class-wp-list-table.php
index 53a84ffa52..76552d08fe 100644
--- a/wp-admin/includes/class-wp-list-table.php
+++ b/wp-admin/includes/class-wp-list-table.php
@@ -421,7 +421,7 @@ class WP_List_Table {
 		$m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0;
 ?>
 		<select name="m">
-			<option<?php selected( $m, 0 ); ?> value='0'><?php _e( 'All dates' ); ?></option>
+			<option<?php selected( $m, 0 ); ?> value="0"><?php _e( 'All dates' ); ?></option>
 <?php
 		foreach ( $months as $arc_row ) {
 			if ( 0 == $arc_row->year )
diff --git a/wp-admin/includes/class-wp-upgrader-skins.php b/wp-admin/includes/class-wp-upgrader-skins.php
index 730eb7cc4a..c5d1d3f4df 100644
--- a/wp-admin/includes/class-wp-upgrader-skins.php
+++ b/wp-admin/includes/class-wp-upgrader-skins.php
@@ -227,6 +227,7 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
 			$this->error = $this->upgrader->strings[$error];
 
 		if ( is_wp_error($error) ) {
+			$messages = array();
 			foreach ( $error->get_error_messages() as $emessage ) {
 				if ( $error->get_error_data() && is_string( $error->get_error_data() ) )
 					$messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) );
diff --git a/wp-admin/includes/export.php b/wp-admin/includes/export.php
index 162e00721e..5ca5e12526 100644
--- a/wp-admin/includes/export.php
+++ b/wp-admin/includes/export.php
@@ -441,8 +441,9 @@ function export_wp( $args = array() ) {
 			<wp:meta_key><?php echo $meta->meta_key; ?></wp:meta_key>
 			<wp:meta_value><?php echo wxr_cdata( $meta->meta_value ); ?></wp:meta_value>
 		</wp:postmeta>
-<?php	endforeach; ?>
-<?php	$comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
+<?php	endforeach;
+
+		$comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
 		foreach ( $comments as $c ) : ?>
 		<wp:comment>
 			<wp:comment_id><?php echo $c->comment_ID; ?></wp:comment_id>
diff --git a/wp-admin/includes/list-table.php b/wp-admin/includes/list-table.php
index 2403ec859a..ef87d32649 100644
--- a/wp-admin/includes/list-table.php
+++ b/wp-admin/includes/list-table.php
@@ -84,10 +84,10 @@ function print_column_headers($screen, $id = true) {
  * @since 3.1.0
  */
 class _WP_List_Table_Compat extends WP_List_Table {
-	var $_screen;
-	var $_columns;
+	public $_screen;
+	public $_columns;
 
-	function _WP_List_Table_Compat( $screen, $columns = array() ) {
+	public function _WP_List_Table_Compat( $screen, $columns = array() ) {
 		if ( is_string( $screen ) )
 			$screen = convert_to_screen( $screen );
 
@@ -99,7 +99,7 @@ class _WP_List_Table_Compat extends WP_List_Table {
 		}
 	}
 
-	function get_column_info() {
+	public function get_column_info() {
 		$columns = get_column_headers( $this->_screen );
 		$hidden = get_hidden_columns( $this->_screen );
 		$sortable = array();
@@ -107,7 +107,7 @@ class _WP_List_Table_Compat extends WP_List_Table {
 		return array( $columns, $hidden, $sortable );
 	}
 
-	function get_columns() {
+	public function get_columns() {
 		return $this->_columns;
 	}
 }
diff --git a/wp-admin/includes/menu.php b/wp-admin/includes/menu.php
index 6835091a70..75619bb921 100644
--- a/wp-admin/includes/menu.php
+++ b/wp-admin/includes/menu.php
@@ -71,22 +71,19 @@ unset($menu_page, $compat);
 $_wp_submenu_nopriv = array();
 $_wp_menu_nopriv = array();
 // Loop over submenus and remove pages for which the user does not have privs.
-foreach ( array( 'submenu' ) as $sub_loop ) {
-	foreach ($$sub_loop as $parent => $sub) {
-		foreach ($sub as $index => $data) {
-			if ( ! current_user_can($data[1]) ) {
-				unset(${$sub_loop}[$parent][$index]);
-				$_wp_submenu_nopriv[$parent][$data[2]] = true;
-			}
+foreach ($submenu as $parent => $sub) {
+	foreach ($sub as $index => $data) {
+		if ( ! current_user_can($data[1]) ) {
+			unset($submenu[$parent][$index]);
+			$_wp_submenu_nopriv[$parent][$data[2]] = true;
 		}
-		unset($index, $data);
-
-		if ( empty(${$sub_loop}[$parent]) )
-			unset(${$sub_loop}[$parent]);
 	}
-	unset($sub, $parent);
+	unset($index, $data);
+
+	if ( empty($submenu[$parent]) )
+		unset($submenu[$parent]);
 }
-unset($sub_loop);
+unset($sub, $parent);
 
 /*
  * Loop over the top-level menu.
diff --git a/wp-admin/includes/nav-menu.php b/wp-admin/includes/nav-menu.php
index b6430da419..dbf9bda45f 100644
--- a/wp-admin/includes/nav-menu.php
+++ b/wp-admin/includes/nav-menu.php
@@ -19,7 +19,7 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
 	 * @param int    $depth  Depth of menu item. Used for padding.
 	 * @param array  $args   Not used.
 	 */
-	function start_lvl( &$output, $depth = 0, $args = array() ) {}
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {}
 
 	/**
 	 * Ends the list of after the elements are added.
@@ -32,7 +32,7 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
 	 * @param int    $depth  Depth of menu item. Used for padding.
 	 * @param array  $args   Not used.
 	 */
-	function end_lvl( &$output, $depth = 0, $args = array() ) {}
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {}
 
 	/**
 	 * Start the element output.
@@ -46,7 +46,7 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
 	 * @param array  $args   Not used.
 	 * @param int    $id     Not used.
 	 */
-	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
+	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
 		global $_wp_nav_menu_max_depth;
 		$_wp_nav_menu_max_depth = $depth > $_wp_nav_menu_max_depth ? $depth : $_wp_nav_menu_max_depth;
 
@@ -235,7 +235,7 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
  * @uses Walker_Nav_Menu
  */
 class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
-	function __construct( $fields = false ) {
+	public function __construct( $fields = false ) {
 		if ( $fields ) {
 			$this->db_fields = $fields;
 		}
@@ -252,7 +252,7 @@ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
 	 * @param int    $depth  Depth of page. Used for padding.
 	 * @param array  $args   Not used.
 	 */
-	function start_lvl( &$output, $depth = 0, $args = array() ) {
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
 		$indent = str_repeat( "\t", $depth );
 		$output .= "\n$indent<ul class='children'>\n";
 	}
@@ -268,7 +268,7 @@ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
 	 * @param int    $depth  Depth of page. Used for padding.
 	 * @param array  $args   Not used.
 	 */
-	function end_lvl( &$output, $depth = 0, $args = array() ) {
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
 		$indent = str_repeat( "\t", $depth );
 		$output .= "\n$indent</ul>";
 	}
@@ -286,7 +286,7 @@ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
 	 * @param array  $args   Not used.
 	 * @param int    $id     Not used.
 	 */
-	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
+	public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
 		global $_nav_menu_placeholder;
 
 		$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
diff --git a/wp-admin/includes/revision.php b/wp-admin/includes/revision.php
index 70c77c0dac..5e695ba4ed 100644
--- a/wp-admin/includes/revision.php
+++ b/wp-admin/includes/revision.php
@@ -126,6 +126,7 @@ function wp_prepare_revisions_for_js( $post, $selected_revision_id, $from = null
 	cache_users( wp_list_pluck( $revisions, 'post_author' ) );
 
 	$can_restore = current_user_can( 'edit_post', $post->ID );
+	$current_id = false;
 
 	foreach ( $revisions as $revision ) {
 		$modified = strtotime( $revision->post_modified );
diff --git a/wp-admin/includes/screen.php b/wp-admin/includes/screen.php
index 4d43872f5a..ad7140f28e 100644
--- a/wp-admin/includes/screen.php
+++ b/wp-admin/includes/screen.php
@@ -530,7 +530,7 @@ final class WP_Screen {
 	 * @see set_current_screen()
 	 * @since 3.3.0
 	 */
-	function set_current_screen() {
+	public function set_current_screen() {
 		global $current_screen, $taxnow, $typenow;
 		$current_screen = $this;
 		$taxnow = $this->taxonomy;
@@ -581,7 +581,7 @@ final class WP_Screen {
 	 * @param WP_Screen $screen A screen object.
 	 * @param string $help Help text.
 	 */
-	static function add_old_compat_help( $screen, $help ) {
+	public static function add_old_compat_help( $screen, $help ) {
 		self::$_old_compat_help[ $screen->id ] = $help;
 	}
 
@@ -593,7 +593,7 @@ final class WP_Screen {
 	 *
 	 * @param string $parent_file The parent file of the screen. Typically the $parent_file global.
 	 */
-	function set_parentage( $parent_file ) {
+	public function set_parentage( $parent_file ) {
 		$this->parent_file = $parent_file;
 		list( $this->parent_base ) = explode( '?', $parent_file );
 		$this->parent_base = str_replace( '.php', '', $this->parent_base );
@@ -1089,7 +1089,7 @@ final class WP_Screen {
 	 *
 	 * @since 3.3.0
 	 */
-	function render_screen_layout() {
+	public function render_screen_layout() {
 		if ( ! $this->get_option('layout_columns') )
 			return;
 
@@ -1118,7 +1118,7 @@ final class WP_Screen {
 	 *
 	 * @since 3.3.0
 	 */
-	function render_per_page_options() {
+	public function render_per_page_options() {
 		if ( ! $this->get_option( 'per_page' ) )
 			return;
 
diff --git a/wp-admin/includes/taxonomy.php b/wp-admin/includes/taxonomy.php
index ce961e3c2a..5629b3eb9c 100644
--- a/wp-admin/includes/taxonomy.php
+++ b/wp-admin/includes/taxonomy.php
@@ -236,16 +236,18 @@ function get_terms_to_edit( $post_id, $taxonomy = 'post_tag' ) {
 
 	$tags = wp_get_post_terms($post_id, $taxonomy, array());
 
-	if ( !$tags )
+	if ( !$tags ) {
 		return false;
-
-	if ( is_wp_error($tags) )
+	}
+	if ( is_wp_error($tags) ) {
 		return $tags;
-
-	foreach ( $tags as $tag )
+	}
+	$tag_names = array();
+	foreach ( $tags as $tag ) {
 		$tag_names[] = $tag->name;
-	$tags_to_edit = join( ',', $tag_names );
-	$tags_to_edit = esc_attr( $tags_to_edit );
+	}
+
+	$tags_to_edit = esc_attr( join( ',', $tag_names ) );
 
 	/**
 	 * Filter the comma-separated list of terms available to edit.
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 6003f5fd0c..0a6b9f1eb1 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -35,7 +35,7 @@ class Walker_Category_Checklist extends Walker {
 	 * @param int    $depth  Depth of category. Used for tab indentation.
 	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
 	 */
-	function start_lvl( &$output, $depth = 0, $args = array() ) {
+	public function start_lvl( &$output, $depth = 0, $args = array() ) {
 		$indent = str_repeat("\t", $depth);
 		$output .= "$indent<ul class='children'>\n";
 	}
@@ -51,7 +51,7 @@ class Walker_Category_Checklist extends Walker {
 	 * @param int    $depth  Depth of category. Used for tab indentation.
 	 * @param array  $args   An array of arguments. @see wp_terms_checklist()
 	 */
-	function end_lvl( &$output, $depth = 0, $args = array() ) {
+	public function end_lvl( &$output, $depth = 0, $args = array() ) {
 		$indent = str_repeat("\t", $depth);
 		$output .= "$indent</ul>\n";
 	}
@@ -69,7 +69,7 @@ class Walker_Category_Checklist extends Walker {
 	 * @param array  $args     An array of arguments. @see wp_terms_checklist()
 	 * @param int    $id       ID of the current term.
 	 */
-	function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
+	public function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
 		if ( empty( $args['taxonomy'] ) ) {
 			$taxonomy = 'category';
 		} else {
@@ -106,7 +106,7 @@ class Walker_Category_Checklist extends Walker {
 	 * @param int    $depth    Depth of the term in reference to parents. Default 0.
 	 * @param array  $args     An array of arguments. @see wp_terms_checklist()
 	 */
-	function end_el( &$output, $category, $depth = 0, $args = array() ) {
+	public function end_el( &$output, $category, $depth = 0, $args = array() ) {
 		$output .= "</li>\n";
 	}
 }
diff --git a/wp-admin/includes/update.php b/wp-admin/includes/update.php
index 1fe7c40efa..d3b56db37f 100644
--- a/wp-admin/includes/update.php
+++ b/wp-admin/includes/update.php
@@ -74,7 +74,7 @@ function find_core_auto_update() {
 	if ( ! $updates || empty( $updates->updates ) )
 		return false;
 
-	include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
 
 	$auto_update = false;
 	$upgrader = new WP_Automatic_Updater;
diff --git a/wp-admin/includes/user.php b/wp-admin/includes/user.php
index 137afcd148..caca229a26 100644
--- a/wp-admin/includes/user.php
+++ b/wp-admin/includes/user.php
@@ -28,7 +28,7 @@ function add_user() {
  * @return int user id of the updated user
  */
 function edit_user( $user_id = 0 ) {
-	global $wp_roles, $wpdb;
+	global $wp_roles;
 	$user = new stdClass;
 	if ( $user_id ) {
 		$update = true;
diff --git a/wp-admin/includes/widgets.php b/wp-admin/includes/widgets.php
index 0a868151e0..82320d3d7c 100644
--- a/wp-admin/includes/widgets.php
+++ b/wp-admin/includes/widgets.php
@@ -12,7 +12,7 @@
  * @since 2.5.0
  */
 function wp_list_widgets() {
-	global $wp_registered_widgets, $sidebars_widgets, $wp_registered_widget_controls;
+	global $wp_registered_widgets, $wp_registered_widget_controls;
 
 	$sort = $wp_registered_widgets;
 	usort( $sort, '_sort_name_callback' );
diff --git a/wp-admin/media.php b/wp-admin/media.php
index a851564919..7d19b568a7 100644
--- a/wp-admin/media.php
+++ b/wp-admin/media.php
@@ -14,7 +14,7 @@ $submenu_file = 'upload.php';
 
 wp_reset_vars(array('action'));
 
-switch( $action ) :
+switch ( $action ) {
 case 'editattachment' :
 	$attachment_id = (int) $_POST['attachment_id'];
 	check_admin_referer('media-form');
@@ -143,4 +143,4 @@ default:
 	wp_redirect( admin_url('upload.php') );
 	exit;
 
-endswitch;
+}
diff --git a/wp-admin/network/upgrade.php b/wp-admin/network/upgrade.php
index 15a5b74a98..f7ea218125 100644
--- a/wp-admin/network/upgrade.php
+++ b/wp-admin/network/upgrade.php
@@ -86,7 +86,7 @@ switch ( $action ) {
 		}
 		echo "</ul>";
 		?><p><?php _e( 'If your browser doesn&#8217;t start loading the next page automatically, click this link:' ); ?> <a class="button" href="upgrade.php?action=upgrade&amp;n=<?php echo ($n + 5) ?>"><?php _e("Next Sites"); ?></a></p>
-		<script type='text/javascript'>
+		<script type="text/javascript">
 		<!--
 		function nextpage() {
 			location.href = "upgrade.php?action=upgrade&n=<?php echo ($n + 5) ?>";
diff --git a/wp-admin/network/users.php b/wp-admin/network/users.php
index 4efd87f5f8..b4f0fc93e9 100644
--- a/wp-admin/network/users.php
+++ b/wp-admin/network/users.php
@@ -285,7 +285,7 @@ if ( isset( $_REQUEST['updated'] ) && $_REQUEST['updated'] == 'true' && ! empty(
 		<?php $wp_list_table->search_box( __( 'Search Users' ), 'all-user' ); ?>
 	</form>
 
-	<form id="form-user-list" action='users.php?action=allusers' method='post'>
+	<form id="form-user-list" action="users.php?action=allusers" method="post">
 		<?php $wp_list_table->display(); ?>
 	</form>
 </div>
diff --git a/wp-admin/options.php b/wp-admin/options.php
index f705a9f662..42b01ddec6 100644
--- a/wp-admin/options.php
+++ b/wp-admin/options.php
@@ -204,7 +204,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' ); ?>
   <form name="form" action="options.php" method="post" id="all-options">
   <?php wp_nonce_field('options-options') ?>
   <input type="hidden" name="action" value="update" />
-  <input type='hidden' name='option_page' value='options' />
+  <input type="hidden" name="option_page" value="options" />
   <table class="form-table">
 <?php
 $options = $wpdb->get_results( "SELECT * FROM $wpdb->options ORDER BY option_name" );
diff --git a/wp-admin/revision.php b/wp-admin/revision.php
index e4cc0c7d99..ba954b85f8 100644
--- a/wp-admin/revision.php
+++ b/wp-admin/revision.php
@@ -29,7 +29,7 @@ if ( ! $revision_id )
 	$revision_id = absint( $to );
 $redirect = 'edit.php';
 
-switch ( $action ) :
+switch ( $action ) {
 case 'restore' :
 	if ( ! $revision = wp_get_post_revision( $revision_id ) )
 		break;
@@ -80,7 +80,7 @@ default :
 
 	$redirect = false;
 	break;
-endswitch;
+}
 
 // Empty post_type means either malformed object found, or no valid parent was found.
 if ( ! $redirect && empty( $post->post_type ) )
diff --git a/wp-admin/theme-editor.php b/wp-admin/theme-editor.php
index 62ebb6f41f..c3e69ae11e 100644
--- a/wp-admin/theme-editor.php
+++ b/wp-admin/theme-editor.php
@@ -121,8 +121,7 @@ default:
 		$content = esc_textarea( $content );
 	}
 
-	?>
-<?php if ( isset( $_GET['updated'] ) ) : ?>
+	if ( isset( $_GET['updated'] ) ) : ?>
  <div id="message" class="updated"><p><?php _e( 'File edited successfully.' ) ?></p></div>
 <?php endif;
 
diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index 68463fcecb..0117c0dd81 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -367,4 +367,4 @@ if ( ! is_multisite() && current_user_can('edit_themes') && $broken_themes = wp_
 	</div>
 </script>
 
-<?php require( ABSPATH . 'wp-admin/admin-footer.php' ); ?>
+<?php require( ABSPATH . 'wp-admin/admin-footer.php' );
diff --git a/wp-admin/update-core.php b/wp-admin/update-core.php
index e2593d310b..f881f90902 100644
--- a/wp-admin/update-core.php
+++ b/wp-admin/update-core.php
@@ -363,7 +363,7 @@ function list_translation_updates() {
 function do_core_upgrade( $reinstall = false ) {
 	global $wp_filesystem;
 
-	include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
 
 	if ( $reinstall )
 		$url = 'update-core.php?action=do-core-reinstall';
@@ -582,7 +582,7 @@ if ( 'upgrade-core' == $action ) {
 	require_once(ABSPATH . 'wp-admin/admin-header.php');
 	echo '<div class="wrap">';
 	echo '<h2>' . esc_html__('Update Plugins') . '</h2>';
-	echo "<iframe src='$url' style='width: 100%; height: 100%; min-height: 750px;' frameborder='0'></iframe>";
+	echo '<iframe src="', $url, '" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0"></iframe>';
 	echo '</div>';
 	include(ABSPATH . 'wp-admin/admin-footer.php');
 
diff --git a/wp-admin/update.php b/wp-admin/update.php
index fc86574469..a8568cdf65 100644
--- a/wp-admin/update.php
+++ b/wp-admin/update.php
@@ -12,7 +12,7 @@ if ( ! defined( 'IFRAME_REQUEST' ) && isset( $_GET['action'] ) && in_array( $_GE
 /** WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
 
 if ( isset($_GET['action']) ) {
 	$plugin = isset($_REQUEST['plugin']) ? trim($_REQUEST['plugin']) : '';
@@ -95,7 +95,7 @@ if ( isset($_GET['action']) ) {
 		if ( ! current_user_can('install_plugins') )
 			wp_die( __( 'You do not have sufficient permissions to install plugins on this site.' ) );
 
-		include_once ABSPATH . 'wp-admin/includes/plugin-install.php'; //for plugins_api..
+		include_once( ABSPATH . 'wp-admin/includes/plugin-install.php' ); //for plugins_api..
 
 		check_admin_referer('install-plugin_' . $plugin);
 		$api = plugins_api('plugin_information', array('slug' => $plugin, 'fields' => array('sections' => false) ) ); //Save on a bit of bandwidth.
@@ -200,7 +200,7 @@ if ( isset($_GET['action']) ) {
 		if ( ! current_user_can('install_themes') )
 			wp_die( __( 'You do not have sufficient permissions to install themes on this site.' ) );
 
-		include_once ABSPATH . 'wp-admin/includes/theme-install.php'; //for themes_api..
+		include_once( ABSPATH . 'wp-admin/includes/theme-install.php' ); //for themes_api..
 
 		check_admin_referer( 'install-theme_' . $theme );
 		$api = themes_api('theme_information', array('slug' => $theme, 'fields' => array('sections' => false, 'tags' => false) ) ); //Save on a bit of bandwidth.
diff --git a/wp-admin/users.php b/wp-admin/users.php
index 5155c9c866..30b9605339 100644
--- a/wp-admin/users.php
+++ b/wp-admin/users.php
@@ -334,6 +334,7 @@ case 'remove':
 		}
  	}
  	?>
+</ul>
 <?php if ( $go_remove ) : ?>
 		<input type="hidden" name="action" value="doremove" />
 		<?php submit_button( __('Confirm Removal'), 'secondary' ); ?>
diff --git a/wp-includes/update.php b/wp-includes/update.php
index ee7434fffd..797358dd04 100644
--- a/wp-includes/update.php
+++ b/wp-includes/update.php
@@ -459,8 +459,8 @@ function wp_update_themes( $extra_stats = array() ) {
  * @since 3.7.0
  */
 function wp_maybe_auto_update() {
-	include_once ABSPATH . '/wp-admin/includes/admin.php';
-	include_once ABSPATH . '/wp-admin/includes/class-wp-upgrader.php';
+	include_once( ABSPATH . '/wp-admin/includes/admin.php' );
+	include_once( ABSPATH . '/wp-admin/includes/class-wp-upgrader.php' );
 
 	$upgrader = new WP_Automatic_Updater;
 	$upgrader->run();