From 2ddc438111a6d70b439944bcfea470d666186faa Mon Sep 17 00:00:00 2001
From: Scott Taylor <wonderboymusic@git.wordpress.org>
Date: Tue, 22 Sep 2015 06:05:39 +0000
Subject: [PATCH] List Tables: when comparing string literals (non-numeric in
 nature) against vars, strict comparison can/should be used.

Props wonderboymusic, Viper007Bond.
Fixes #21249.


git-svn-id: https://develop.svn.wordpress.org/trunk@34383 602fd350-edb4-49c9-b593-d223f7449a82
---
 .../includes/class-wp-comments-list-table.php | 42 ++++++++--------
 src/wp-admin/includes/class-wp-list-table.php | 28 ++++++-----
 .../includes/class-wp-media-list-table.php    | 20 ++++----
 .../includes/class-wp-ms-sites-list-table.php | 20 ++++----
 .../class-wp-ms-themes-list-table.php         | 13 ++---
 .../includes/class-wp-ms-users-list-table.php | 11 ++--
 .../class-wp-plugin-install-list-table.php    |  9 ++--
 .../includes/class-wp-plugins-list-table.php  | 18 +++----
 .../includes/class-wp-posts-list-table.php    | 50 +++++++++----------
 .../includes/class-wp-terms-list-table.php    | 10 ++--
 .../class-wp-theme-install-list-table.php     |  4 +-
 .../includes/class-wp-users-list-table.php    |  4 +-
 12 files changed, 118 insertions(+), 111 deletions(-)

diff --git a/src/wp-admin/includes/class-wp-comments-list-table.php b/src/wp-admin/includes/class-wp-comments-list-table.php
index 67109d71d2..9259017dbc 100644
--- a/src/wp-admin/includes/class-wp-comments-list-table.php
+++ b/src/wp-admin/includes/class-wp-comments-list-table.php
@@ -183,10 +183,11 @@ class WP_Comments_List_Table extends WP_List_Table {
 	public function no_items() {
 		global $comment_status;
 
-		if ( 'moderated' == $comment_status )
+		if ( 'moderated' === $comment_status ) {
 			_e( 'No comments awaiting moderation.' );
-		else
+		} else {
 			_e( 'No comments found.' );
+		}
 	}
 
 	/**
@@ -218,7 +219,7 @@ class WP_Comments_List_Table extends WP_List_Table {
 			$link = add_query_arg( 'comment_type', $comment_type, $link );
 
 		foreach ( $stati as $status => $label ) {
-			$class = ( $status == $comment_status ) ? ' class="current"' : '';
+			$class = ( $status === $comment_status ) ? ' class="current"' : '';
 
 			if ( !isset( $num_comments->$status ) )
 				$num_comments->$status = 10;
@@ -264,10 +265,11 @@ class WP_Comments_List_Table extends WP_List_Table {
 		if ( in_array( $comment_status, array( 'all', 'moderated', 'approved', 'trash' ) ) )
 			$actions['spam'] = _x( 'Mark as Spam', 'comment' );
 
-		if ( 'trash' == $comment_status )
+		if ( 'trash' === $comment_status ) {
 			$actions['untrash'] = __( 'Restore' );
-		elseif ( 'spam' == $comment_status )
+		} elseif ( 'spam' === $comment_status ) {
 			$actions['unspam'] = _x( 'Not Spam', 'comment' );
+		}
 
 		if ( in_array( $comment_status, array( 'trash', 'spam' ) ) || !EMPTY_TRASH_DAYS )
 			$actions['delete'] = __( 'Delete Permanently' );
@@ -289,7 +291,7 @@ class WP_Comments_List_Table extends WP_List_Table {
 ?>
 		<div class="alignleft actions">
 <?php
-		if ( 'top' == $which ) {
+		if ( 'top' === $which ) {
 ?>
 			<label class="screen-reader-text" for="filter-by-comment-type"><?php _e( 'Filter by comment type' ); ?></label>
 			<select id="filter-by-comment-type" name="comment_type">
@@ -321,9 +323,9 @@ class WP_Comments_List_Table extends WP_List_Table {
 			submit_button( __( 'Filter' ), 'button', 'filter_action', false, array( 'id' => 'post-query-submit' ) );
 		}
 
-		if ( ( 'spam' == $comment_status || 'trash' == $comment_status ) && current_user_can( 'moderate_comments' ) ) {
+		if ( ( 'spam' === $comment_status || 'trash' === $comment_status ) && current_user_can( 'moderate_comments' ) ) {
 			wp_nonce_field( 'bulk-destroy', '_destroy_nonce' );
-			$title = ( 'spam' == $comment_status ) ? esc_attr__( 'Empty Spam' ) : esc_attr__( 'Empty Trash' );
+			$title = ( 'spam' === $comment_status ) ? esc_attr__( 'Empty Spam' ) : esc_attr__( 'Empty Trash' );
 			submit_button( $title, 'apply', 'delete_all', false );
 		}
 		/**
@@ -511,9 +513,9 @@ class WP_Comments_List_Table extends WP_List_Table {
 
 		// Not looking at all comments.
 		if ( $comment_status && 'all' != $comment_status ) {
-			if ( 'approved' == $the_comment_status ) {
+			if ( 'approved' === $the_comment_status ) {
 				$actions['unapprove'] = "<a href='$unapprove_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:e7e7d3:action=dim-comment&amp;new=unapproved' class='vim-u vim-destructive' title='" . esc_attr__( 'Unapprove this comment' ) . "'>" . __( 'Unapprove' ) . '</a>';
-			} elseif ( 'unapproved' == $the_comment_status ) {
+			} elseif ( 'unapproved' === $the_comment_status ) {
 				$actions['approve'] = "<a href='$approve_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:e7e7d3:action=dim-comment&amp;new=approved' class='vim-a vim-destructive' title='" . esc_attr__( 'Approve this comment' ) . "'>" . __( 'Approve' ) . '</a>';
 			}
 		} else {
@@ -521,23 +523,23 @@ class WP_Comments_List_Table extends WP_List_Table {
 			$actions['unapprove'] = "<a href='$unapprove_url' data-wp-lists='dim:the-comment-list:comment-$comment->comment_ID:unapproved:e7e7d3:e7e7d3:new=unapproved' class='vim-u' title='" . esc_attr__( 'Unapprove this comment' ) . "'>" . __( 'Unapprove' ) . '</a>';
 		}
 
-		if ( 'spam' != $the_comment_status ) {
+		if ( 'spam' !== $the_comment_status ) {
 			$actions['spam'] = "<a href='$spam_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::spam=1' class='vim-s vim-destructive' title='" . esc_attr__( 'Mark this comment as spam' ) . "'>" . /* translators: mark as spam link */ _x( 'Spam', 'verb' ) . '</a>';
-		} elseif ( 'spam' == $the_comment_status ) {
+		} elseif ( 'spam' === $the_comment_status ) {
 			$actions['unspam'] = "<a href='$unspam_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:66cc66:unspam=1' class='vim-z vim-destructive'>" . _x( 'Not Spam', 'comment' ) . '</a>';
 		}
 
-		if ( 'trash' == $the_comment_status ) {
+		if ( 'trash' === $the_comment_status ) {
 			$actions['untrash'] = "<a href='$untrash_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID:66cc66:untrash=1' class='vim-z vim-destructive'>" . __( 'Restore' ) . '</a>';
 		}
 
-		if ( 'spam' == $the_comment_status || 'trash' == $the_comment_status || !EMPTY_TRASH_DAYS ) {
+		if ( 'spam' === $the_comment_status || 'trash' === $the_comment_status || !EMPTY_TRASH_DAYS ) {
 			$actions['delete'] = "<a href='$delete_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::delete=1' class='delete vim-d vim-destructive'>" . __( 'Delete Permanently' ) . '</a>';
 		} else {
 			$actions['trash'] = "<a href='$trash_url' data-wp-lists='delete:the-comment-list:comment-$comment->comment_ID::trash=1' class='delete vim-d vim-destructive' title='" . esc_attr__( 'Move this comment to the trash' ) . "'>" . _x( 'Trash', 'verb' ) . '</a>';
 		}
 
-		if ( 'spam' != $the_comment_status && 'trash' != $the_comment_status ) {
+		if ( 'spam' !== $the_comment_status && 'trash' !== $the_comment_status ) {
 			$actions['edit'] = "<a href='comment.php?action=editcomment&amp;c={$comment->comment_ID}' title='" . esc_attr__( 'Edit comment' ) . "'>". __( 'Edit' ) . '</a>';
 
 			$format = '<a data-comment-id="%d" data-post-id="%d" data-action="%s" class="%s" title="%s" href="#">%s</a>';
@@ -554,12 +556,12 @@ class WP_Comments_List_Table extends WP_List_Table {
 		$out .= '<div class="row-actions">';
 		foreach ( $actions as $action => $link ) {
 			++$i;
-			( ( ( 'approve' == $action || 'unapprove' == $action ) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | ';
+			( ( ( 'approve' === $action || 'unapprove' === $action ) && 2 === $i ) || 1 === $i ) ? $sep = '' : $sep = ' | ';
 
 			// Reply and quickedit need a hide-if-no-js span when not added with ajax
-			if ( ( 'reply' == $action || 'quickedit' == $action ) && ! defined('DOING_AJAX') )
+			if ( ( 'reply' === $action || 'quickedit' === $action ) && ! defined('DOING_AJAX') )
 				$action .= ' hide-if-no-js';
-			elseif ( ( $action == 'untrash' && $the_comment_status == 'trash' ) || ( $action == 'unspam' && $the_comment_status == 'spam' ) ) {
+			elseif ( ( $action === 'untrash' && $the_comment_status === 'trash' ) || ( $action === 'unspam' && $the_comment_status === 'spam' ) ) {
 				if ( '1' == get_comment_meta( $comment->comment_ID, '_wp_trash_meta_status', true ) )
 					$action .= ' approve';
 				else
@@ -669,7 +671,7 @@ class WP_Comments_List_Table extends WP_List_Table {
 			$author_ip = get_comment_author_IP( $comment );
 			if ( $author_ip ) {
 				$author_ip_url = add_query_arg( array( 's' => $author_ip, 'mode' => 'detail' ), 'edit-comments.php' );
-				if ( 'spam' == $comment_status ) {
+				if ( 'spam' === $comment_status ) {
 					$author_ip_url = add_query_arg( 'comment_status', 'spam', $author_ip_url );
 				}
 				printf( '<a href="%s">%s</a>', esc_url( $author_ip_url ), $author_ip );
@@ -710,7 +712,7 @@ class WP_Comments_List_Table extends WP_List_Table {
 		}
 
 		echo '<div class="response-links">';
-		if ( 'attachment' == $post->post_type && ( $thumb = wp_get_attachment_image( $post->ID, array( 80, 60 ), true ) ) ) {
+		if ( 'attachment' === $post->post_type && ( $thumb = wp_get_attachment_image( $post->ID, array( 80, 60 ), true ) ) ) {
 			echo $thumb;
 		}
 		echo $post_link;
diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index ff08e283f5..469601c231 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -283,11 +283,13 @@ class WP_List_Table {
 	 * @return int Number of items that correspond to the given pagination argument.
 	 */
 	public function get_pagination_arg( $key ) {
-		if ( 'page' == $key )
+		if ( 'page' === $key ) {
 			return $this->get_pagenum();
+		}
 
-		if ( isset( $this->_pagination_args[$key] ) )
+		if ( isset( $this->_pagination_args[$key] ) ) {
 			return $this->_pagination_args[$key];
+		}
 	}
 
 	/**
@@ -440,7 +442,7 @@ class WP_List_Table {
 		echo "<option value='-1' selected='selected'>" . __( 'Bulk Actions' ) . "</option>\n";
 
 		foreach ( $this->_actions as $name => $title ) {
-			$class = 'edit' == $name ? ' class="hide-if-no-js"' : '';
+			$class = 'edit' === $name ? ' class="hide-if-no-js"' : '';
 
 			echo "\t<option value='$name'$class>$title</option>\n";
 		}
@@ -598,7 +600,7 @@ class WP_List_Table {
 <?php
 			foreach ( $this->modes as $mode => $title ) {
 				$classes = array( 'view-' . $mode );
-				if ( $current_mode == $mode )
+				if ( $current_mode === $mode )
 					$classes[] = 'current';
 				printf(
 					"<a href='%s' class='%s' id='view-switch-$mode'><span class='screen-reader-text'>%s</span></a>\n",
@@ -782,7 +784,7 @@ class WP_List_Table {
 			);
 		}
 
-		if ( 'bottom' == $which ) {
+		if ( 'bottom' === $which ) {
 			$html_current_page  = $current;
 			$total_pages_before = '<span class="screen-reader-text">' . __( 'Current Page' ) . '</span><span id="table-paging" class="paging-input">';
 		} else {
@@ -1025,7 +1027,7 @@ class WP_List_Table {
 		else
 			$current_orderby = '';
 
-		if ( isset( $_GET['order'] ) && 'desc' == $_GET['order'] )
+		if ( isset( $_GET['order'] ) && 'desc' === $_GET['order'] )
 			$current_order = 'desc';
 		else
 			$current_order = 'asc';
@@ -1044,7 +1046,7 @@ class WP_List_Table {
 				$class[] = 'hidden';
 			}
 
-			if ( 'cb' == $column_key )
+			if ( 'cb' === $column_key )
 				$class[] = 'check-column';
 			elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ) ) )
 				$class[] = 'num';
@@ -1056,8 +1058,8 @@ class WP_List_Table {
 			if ( isset( $sortable[$column_key] ) ) {
 				list( $orderby, $desc_first ) = $sortable[$column_key];
 
-				if ( $current_orderby == $orderby ) {
-					$order = 'asc' == $current_order ? 'desc' : 'asc';
+				if ( $current_orderby === $orderby ) {
+					$order = 'asc' === $current_order ? 'desc' : 'asc';
 					$class[] = 'sorted';
 					$class[] = $current_order;
 				} else {
@@ -1136,9 +1138,9 @@ class WP_List_Table {
 	 * @param string $which
 	 */
 	protected function display_tablenav( $which ) {
-		if ( 'top' == $which )
+		if ( 'top' === $which ) {
 			wp_nonce_field( 'bulk-' . $this->_args['plural'] );
-
+		}
 		if ( $this->has_items() ) : ?>
 	<div class="tablenav <?php echo esc_attr( $which ); ?>">
 
@@ -1247,7 +1249,7 @@ class WP_List_Table {
 
 			$attributes = "class='$classes' $data";
 
-			if ( 'cb' == $column_name ) {
+			if ( 'cb' === $column_name ) {
 				echo '<th scope="row" class="check-column">';
 				echo $this->column_cb( $item );
 				echo '</th>';
@@ -1285,7 +1287,7 @@ class WP_List_Table {
 	 * @return string The row actions HTML, or an empty string if the current column is the primary column.
 	 */
 	protected function handle_row_actions( $item, $column_name, $primary ) {
-		return $column_name == $primary ? '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>' : '';
+		return $column_name === $primary ? '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>' : '';
  	}
 
 	/**
diff --git a/src/wp-admin/includes/class-wp-media-list-table.php b/src/wp-admin/includes/class-wp-media-list-table.php
index 4b34c4db0e..b7c705f685 100644
--- a/src/wp-admin/includes/class-wp-media-list-table.php
+++ b/src/wp-admin/includes/class-wp-media-list-table.php
@@ -65,7 +65,7 @@ class WP_Media_List_Table extends WP_List_Table {
 
 		list( $post_mime_types, $avail_post_mime_types ) = wp_edit_attachments_query( $_REQUEST );
 
- 		$this->is_trash = isset( $_REQUEST['attachment-filter'] ) && 'trash' == $_REQUEST['attachment-filter'];
+ 		$this->is_trash = isset( $_REQUEST['attachment-filter'] ) && 'trash' === $_REQUEST['attachment-filter'];
 
  		$mode = empty( $_REQUEST['mode'] ) ? 'list' : $_REQUEST['mode'];
 
@@ -105,7 +105,7 @@ class WP_Media_List_Table extends WP_List_Table {
 				$filter && 0 === strpos( $filter, 'post_mime_type:' ) &&
 					wp_match_mime_types( $mime_type, str_replace( 'post_mime_type:', '', $filter ) ),
 				true,
-				false 	
+				false
 			);
 
 			$type_links[$mime_type] = sprintf(
@@ -285,13 +285,13 @@ class WP_Media_List_Table extends WP_List_Table {
 		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
 
 		foreach ( $taxonomies as $taxonomy ) {
-			if ( 'category' == $taxonomy )
+			if ( 'category' === $taxonomy ) {
 				$column_key = 'categories';
-			elseif ( 'post_tag' == $taxonomy )
+			} elseif ( 'post_tag' === $taxonomy ) {
 				$column_key = 'tags';
-			else
+			} else {
 				$column_key = 'taxonomy-' . $taxonomy;
-
+			}
 			$posts_columns[ $column_key ] = get_taxonomy( $taxonomy )->labels->name;
 		}
 
@@ -426,7 +426,7 @@ class WP_Media_List_Table extends WP_List_Table {
 	 * @param WP_Post $post The current WP_Post object.
 	 */
 	public function column_date( $post ) {
-		if ( '0000-00-00 00:00:00' == $post->post_date ) {
+		if ( '0000-00-00 00:00:00' === $post->post_date ) {
 			$h_time = __( 'Unpublished' );
 		} else {
 			$m_time = $post->post_date;
@@ -526,9 +526,9 @@ class WP_Media_List_Table extends WP_List_Table {
 	 * @param string  $column_name Current column name.
 	 */
 	public function column_default( $post, $column_name ) {
-		if ( 'categories' == $column_name ) {
+		if ( 'categories' === $column_name ) {
 			$taxonomy = 'category';
-		} elseif ( 'tags' == $column_name ) {
+		} elseif ( 'tags' === $column_name ) {
 			$taxonomy = 'post_tag';
 		} elseif ( 0 === strpos( $column_name, 'taxonomy-' ) ) {
 			$taxonomy = substr( $column_name, 9 );
@@ -589,7 +589,7 @@ class WP_Media_List_Table extends WP_List_Table {
 		while ( have_posts() ) : the_post();
 			if (
 				( $this->is_trash && $post->post_status != 'trash' )
-				|| ( ! $this->is_trash && $post->post_status == 'trash' )
+				|| ( ! $this->is_trash && $post->post_status === 'trash' )
 			) {
 				continue;
 			}
diff --git a/src/wp-admin/includes/class-wp-ms-sites-list-table.php b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
index 56f9a07700..149da6be94 100644
--- a/src/wp-admin/includes/class-wp-ms-sites-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
@@ -122,24 +122,24 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 		}
 
 		$order_by = isset( $_REQUEST['orderby'] ) ? $_REQUEST['orderby'] : '';
-		if ( $order_by == 'registered' ) {
+		if ( $order_by === 'registered' ) {
 			$query .= ' ORDER BY registered ';
-		} elseif ( $order_by == 'lastupdated' ) {
+		} elseif ( $order_by === 'lastupdated' ) {
 			$query .= ' ORDER BY last_updated ';
-		} elseif ( $order_by == 'blogname' ) {
+		} elseif ( $order_by === 'blogname' ) {
 			if ( is_subdomain_install() ) {
 				$query .= ' ORDER BY domain ';
 			} else {
 				$query .= ' ORDER BY path ';
 			}
-		} elseif ( $order_by == 'blog_id' ) {
+		} elseif ( $order_by === 'blog_id' ) {
 			$query .= ' ORDER BY blog_id ';
 		} else {
 			$order_by = null;
 		}
 
 		if ( isset( $order_by ) ) {
-			$order = ( isset( $_REQUEST['order'] ) && 'DESC' == strtoupper( $_REQUEST['order'] ) ) ? "DESC" : "ASC";
+			$order = ( isset( $_REQUEST['order'] ) && 'DESC' === strtoupper( $_REQUEST['order'] ) ) ? "DESC" : "ASC";
 			$query .= $order;
 		}
 
@@ -190,7 +190,7 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 
 		parent::pagination( $which );
 
-		if ( 'top' == $which )
+		if ( 'top' === $which )
 			$this->view_switcher( $mode );
 	}
 
@@ -320,13 +320,13 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 	public function column_lastupdated( $blog ) {
 		global $mode;
 
-		if ( 'list' == $mode ) {
+		if ( 'list' === $mode ) {
 			$date = __( 'Y/m/d' );
 		} else {
 			$date = __( 'Y/m/d g:i:s a' );
 		}
 
-		echo ( $blog['last_updated'] == '0000-00-00 00:00:00' ) ? __( 'Never' ) : mysql2date( $date, $blog['last_updated'] );
+		echo ( $blog['last_updated'] === '0000-00-00 00:00:00' ) ? __( 'Never' ) : mysql2date( $date, $blog['last_updated'] );
 	}
 
 	/**
@@ -340,13 +340,13 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 	public function column_registered( $blog ) {
 		global $mode;
 
-		if ( 'list' == $mode ) {
+		if ( 'list' === $mode ) {
 			$date = __( 'Y/m/d' );
 		} else {
 			$date = __( 'Y/m/d g:i:s a' );
 		}
 
-		if ( $blog['registered'] == '0000-00-00 00:00:00' ) {
+		if ( $blog['registered'] === '0000-00-00 00:00:00' ) {
 			echo '&#x2014;';
 		} else {
 			echo mysql2date( $date, $blog['registered'] );
diff --git a/src/wp-admin/includes/class-wp-ms-themes-list-table.php b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
index 991a07749a..9fe0f229fe 100644
--- a/src/wp-admin/includes/class-wp-ms-themes-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
@@ -41,7 +41,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 
 		$page = $this->get_pagenum();
 
-		$this->is_site_themes = ( 'site-themes-network' == $this->screen->id ) ? true : false;
+		$this->is_site_themes = ( 'site-themes-network' === $this->screen->id ) ? true : false;
 
 		if ( $this->is_site_themes )
 			$this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
@@ -145,9 +145,10 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 			$orderby = ucfirst( $orderby );
 			$order = strtoupper( $order );
 
-			if ( $orderby == 'Name' ) {
-				if ( 'ASC' == $order )
+			if ( $orderby === 'Name' ) {
+				if ( 'ASC' === $order ) {
 					$this->items = array_reverse( $this->items );
+				}
 			} else {
 				uasort( $this->items, array( $this, '_order_callback' ) );
 			}
@@ -206,7 +207,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 		if ( $a == $b )
 			return 0;
 
-		if ( 'DESC' == $order )
+		if ( 'DESC' === $order )
 			return ( $a < $b ) ? 1 : -1;
 		else
 			return ( $a < $b ) ? -1 : 1;
@@ -296,7 +297,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 			if ( 'search' != $type ) {
 				$status_links[$type] = sprintf( "<a href='%s' %s>%s</a>",
 					esc_url( add_query_arg('theme_status', $type, $url) ),
-					( $type == $status ) ? ' class="current"' : '',
+					( $type === $status ) ? ' class="current"' : '',
 					sprintf( $text, number_format_i18n( $count ) )
 				);
 			}
@@ -459,7 +460,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 	public function column_description( $theme ) {
 		global $status, $totals;
 		if ( $theme->errors() ) {
-			$pre = $status == 'broken' ? __( 'Broken Theme:' ) . ' ' : '';
+			$pre = $status === 'broken' ? __( 'Broken Theme:' ) . ' ' : '';
 			echo '<p><strong class="error-message">' . $pre . $theme->errors()->get_error_message() . '</strong></p>';
 		}
 
diff --git a/src/wp-admin/includes/class-wp-ms-users-list-table.php b/src/wp-admin/includes/class-wp-ms-users-list-table.php
index 6437a02807..731467d97e 100644
--- a/src/wp-admin/includes/class-wp-ms-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-users-list-table.php
@@ -49,7 +49,7 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 			$args['search'] = '*' . $args['search'] . '*';
 		}
 
-		if ( $role == 'super' ) {
+		if ( $role === 'super' ) {
 			$logins = implode( "', '", get_super_admins() );
 			$args['include'] = $wpdb->get_col( "SELECT ID FROM $wpdb->users WHERE user_login IN ('$logins')" );
 		}
@@ -122,7 +122,7 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 		$class = $role != 'super' ? ' class="current"' : '';
 		$role_links = array();
 		$role_links['all'] = "<a href='" . network_admin_url('users.php') . "'$class>" . sprintf( _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $total_users, 'users' ), number_format_i18n( $total_users ) ) . '</a>';
-		$class = $role == 'super' ? ' class="current"' : '';
+		$class = $role === 'super' ? ' class="current"' : '';
 		$role_links['super'] = "<a href='" . network_admin_url('users.php?role=super') . "'$class>" . sprintf( _n( 'Super Admin <span class="count">(%s)</span>', 'Super Admins <span class="count">(%s)</span>', $total_admins ), number_format_i18n( $total_admins ) ) . '</a>';
 
 		return $role_links;
@@ -137,8 +137,9 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 
 		parent::pagination ( $which );
 
-		if ( 'top' == $which )
+		if ( 'top' === $which ) {
 			$this->view_switcher( $mode );
+		}
 	}
 
 	/**
@@ -268,7 +269,7 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 	 */
 	public function column_registered( $user ) {
 		global $mode;
-		if ( 'list' == $mode ) {
+		if ( 'list' === $mode ) {
 			$date = __( 'Y/m/d' );
 		} else {
 			$date = __( 'Y/m/d g:i:s a' );
@@ -311,7 +312,7 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 				continue;
 			}
 
-			$path	= ( $val->path == '/' ) ? '' : $val->path;
+			$path	= ( $val->path === '/' ) ? '' : $val->path;
 			echo '<span class="site-' . $val->site_id . '" >';
 			echo '<a href="'. esc_url( network_admin_url( 'site-info.php?id=' . $val->userblog_id ) ) .'">' . str_replace( '.' . get_current_site()->domain, '', $val->domain . $path ) . '</a>';
 			echo ' <small class="row-actions">';
diff --git a/src/wp-admin/includes/class-wp-plugin-install-list-table.php b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
index 45a5251285..c45e51a481 100644
--- a/src/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -77,8 +77,9 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 		// These are the tabs which are shown on the page
 		$tabs = array();
 
-		if ( 'search' == $tab )
+		if ( 'search' === $tab ) {
 			$tabs['search']	= __( 'Search Results' );
+		}
 		$tabs['featured']  = _x( 'Featured', 'Plugin Installer' );
 		$tabs['popular']   = _x( 'Popular', 'Plugin Installer' );
 		$tabs['recommended']   = _x( 'Recommended', 'Plugin Installer' );
@@ -238,7 +239,7 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 
 		$display_tabs = array();
 		foreach ( (array) $tabs as $action => $text ) {
-			$class = ( $action == $tab ) ? ' current' : '';
+			$class = ( $action === $tab ) ? ' current' : '';
 			$href = self_admin_url('plugin-install.php?tab=' . $action);
 			$display_tabs['plugin-install-'.$action] = "<a href='$href' class='$class'>$text</a>";
 		}
@@ -310,7 +311,7 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 			return;
 		}
 
-		if ( 'top' ==  $which ) {
+		if ( 'top' === $which ) {
 			wp_referer_field();
 		?>
 			<div class="tablenav top">
@@ -367,7 +368,7 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 			return 0;
 		}
 
-		if ( 'DESC' == $this->order ) {
+		if ( 'DESC' === $this->order ) {
 			return ( $a < $b ) ? 1 : -1;
 		} else {
 			return ( $a < $b ) ? -1 : 1;
diff --git a/src/wp-admin/includes/class-wp-plugins-list-table.php b/src/wp-admin/includes/class-wp-plugins-list-table.php
index 781330cbdf..7c9bb68a10 100644
--- a/src/wp-admin/includes/class-wp-plugins-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugins-list-table.php
@@ -257,7 +257,7 @@ class WP_Plugins_List_Table extends WP_List_Table {
 		if ( $a == $b )
 			return 0;
 
-		if ( 'DESC' == $order ) {
+		if ( 'DESC' === $order ) {
 			return strcasecmp( $b, $a );
 		} else {
 			return strcasecmp( $a, $b );
@@ -337,10 +337,10 @@ class WP_Plugins_List_Table extends WP_List_Table {
 					break;
 			}
 
-			if ( 'search' != $type ) {
+			if ( 'search' !== $type ) {
 				$status_links[$type] = sprintf( "<a href='%s' %s>%s</a>",
 					add_query_arg('plugin_status', $type, 'plugins.php'),
-					( $type == $status ) ? ' class="current"' : '',
+					( $type === $status ) ? ' class="current"' : '',
 					sprintf( $text, number_format_i18n( $count ) )
 					);
 			}
@@ -400,13 +400,13 @@ class WP_Plugins_List_Table extends WP_List_Table {
 
 		echo '<div class="alignleft actions">';
 
-		if ( ! $this->screen->in_admin( 'network' ) && 'recently_activated' == $status )
+		if ( ! $this->screen->in_admin( 'network' ) && 'recently_activated' === $status ) {
 			submit_button( __( 'Clear List' ), 'button', 'clear-recent-list', false );
-		elseif ( 'top' == $which && 'mustuse' == $status )
+		} elseif ( 'top' === $which && 'mustuse' === $status ) {
 			echo '<p>' . sprintf( __( 'Files in the <code>%s</code> directory are executed automatically.' ), str_replace( ABSPATH, '/', WPMU_PLUGIN_DIR ) ) . '</p>';
-		elseif ( 'top' == $which && 'dropins' == $status )
+		} elseif ( 'top' === $which && 'dropins' === $status ) {
 			echo '<p>' . sprintf( __( 'Drop-ins are advanced plugins in the <code>%s</code> directory that replace WordPress functionality when present.' ), str_replace( ABSPATH, '', WP_CONTENT_DIR ) ) . '</p>';
-
+		}
 		echo '</div>';
 	}
 
@@ -458,9 +458,9 @@ class WP_Plugins_List_Table extends WP_List_Table {
 			'delete' => '',
 		);
 
-		if ( 'mustuse' == $context ) {
+		if ( 'mustuse' === $context ) {
 			$is_active = true;
-		} elseif ( 'dropins' == $context ) {
+		} elseif ( 'dropins' === $context ) {
 			$dropins = _get_dropins();
 			$plugin_name = $plugin_file;
 			if ( $plugin_file != $plugin_data['Name'] )
diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index 0cb125527b..814c90553b 100644
--- a/src/wp-admin/includes/class-wp-posts-list-table.php
+++ b/src/wp-admin/includes/class-wp-posts-list-table.php
@@ -94,7 +94,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 			$_GET['author'] = get_current_user_id();
 		}
 
-		if ( 'post' == $post_type && $sticky_posts = get_option( 'sticky_posts' ) ) {
+		if ( 'post' === $post_type && $sticky_posts = get_option( 'sticky_posts' ) ) {
 			$sticky_posts = implode( ', ', array_map( 'absint', (array) $sticky_posts ) );
 			$this->sticky_posts_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT( 1 ) FROM $wpdb->posts WHERE post_type = %s AND post_status NOT IN ('trash', 'auto-draft') AND ID IN ($sticky_posts)", $post_type ) );
 		}
@@ -131,7 +131,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 
 		$avail_post_stati = wp_edit_posts_query();
 
-		$this->set_hierarchical_display( is_post_type_hierarchical( $this->screen->post_type ) && 'menu_order title' == $wp_query->query['orderby'] );
+		$this->set_hierarchical_display( is_post_type_hierarchical( $this->screen->post_type ) && 'menu_order title' === $wp_query->query['orderby'] );
 
 		$post_type = $this->screen->post_type;
 		$per_page = $this->get_items_per_page( 'edit_' . $post_type . '_per_page' );
@@ -161,13 +161,13 @@ class WP_Posts_List_Table extends WP_List_Table {
 		$total_pages = ceil( $total_items / $per_page );
 
 		if ( ! empty( $_REQUEST['mode'] ) ) {
-			$mode = $_REQUEST['mode'] == 'excerpt' ? 'excerpt' : 'list';
+			$mode = $_REQUEST['mode'] === 'excerpt' ? 'excerpt' : 'list';
 			set_user_setting ( 'posts_list_mode', $mode );
 		} else {
 			$mode = get_user_setting ( 'posts_list_mode', 'list' );
 		}
 
-		$this->is_trash = isset( $_REQUEST['post_status'] ) && $_REQUEST['post_status'] == 'trash';
+		$this->is_trash = isset( $_REQUEST['post_status'] ) && $_REQUEST['post_status'] === 'trash';
 
 		$this->set_pagination_args( array(
 			'total_items' => $total_items,
@@ -188,7 +188,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	 * @access public
 	 */
 	public function no_items() {
-		if ( isset( $_REQUEST['post_status'] ) && 'trash' == $_REQUEST['post_status'] )
+		if ( isset( $_REQUEST['post_status'] ) && 'trash' === $_REQUEST['post_status'] )
 			echo get_post_type_object( $this->screen->post_type )->labels->not_found_in_trash;
 		else
 			echo get_post_type_object( $this->screen->post_type )->labels->not_found;
@@ -204,7 +204,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	protected function is_base_request() {
 		$vars = $_GET;
 		unset( $vars['paged'] );
-		
+
 		if ( empty( $vars ) ) {
 			return true;
 		} elseif ( 1 === count( $vars ) && ! empty( $vars['post_type'] ) ) {
@@ -326,7 +326,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 				continue;
 			}
 
-			if ( isset($_REQUEST['post_status']) && $status_name == $_REQUEST['post_status'] ) {
+			if ( isset($_REQUEST['post_status']) && $status_name === $_REQUEST['post_status'] ) {
 				$class = 'current';
 			}
 
@@ -409,7 +409,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 ?>
 		<div class="alignleft actions">
 <?php
-		if ( 'top' == $which && !is_singular() ) {
+		if ( 'top' === $which && !is_singular() ) {
 
 			$this->months_dropdown( $this->screen->post_type );
 
@@ -471,7 +471,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 
 		parent::pagination( $which );
 
-		if ( 'top' == $which && ! is_post_type_hierarchical( $this->screen->post_type ) )
+		if ( 'top' === $which && ! is_post_type_hierarchical( $this->screen->post_type ) )
 			$this->view_switcher( $mode );
 	}
 
@@ -519,9 +519,9 @@ class WP_Posts_List_Table extends WP_List_Table {
 		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
 
 		foreach ( $taxonomies as $taxonomy ) {
-			if ( 'category' == $taxonomy )
+			if ( 'category' === $taxonomy )
 				$column_key = 'categories';
-			elseif ( 'post_tag' == $taxonomy )
+			elseif ( 'post_tag' === $taxonomy )
 				$column_key = 'tags';
 			else
 				$column_key = 'taxonomy-' . $taxonomy;
@@ -535,7 +535,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 
 		$posts_columns['date'] = __( 'Date' );
 
-		if ( 'page' == $post_type ) {
+		if ( 'page' === $post_type ) {
 
 			/**
 			 * Filter the columns displayed in the Pages list table.
@@ -900,7 +900,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 			echo '<div class="locked-info"><span class="locked-avatar">' . $locked_avatar . '</span> <span class="locked-text">' . $locked_text . "</span></div>\n";
 		}
 
-		if ( ! is_post_type_hierarchical( $this->screen->post_type ) && 'excerpt' == $mode && current_user_can( 'read_post', $post->ID ) ) {
+		if ( ! is_post_type_hierarchical( $this->screen->post_type ) && 'excerpt' === $mode && current_user_can( 'read_post', $post->ID ) ) {
 			the_excerpt();
 		}
 
@@ -920,7 +920,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	public function column_date( $post ) {
 		global $mode;
 
-		if ( '0000-00-00 00:00:00' == $post->post_date ) {
+		if ( '0000-00-00 00:00:00' === $post->post_date ) {
 			$t_time = $h_time = __( 'Unpublished' );
 			$time_diff = 0;
 		} else {
@@ -937,9 +937,9 @@ class WP_Posts_List_Table extends WP_List_Table {
 			}
 		}
 
-		if ( 'publish' == $post->post_status ) {
+		if ( 'publish' === $post->post_status ) {
 			_e( 'Published' );
-		} elseif ( 'future' == $post->post_status ) {
+		} elseif ( 'future' === $post->post_status ) {
 			if ( $time_diff > 0 ) {
 				echo '<strong class="error-message">' . __( 'Missed schedule' ) . '</strong>';
 			} else {
@@ -949,7 +949,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 			_e( 'Last Modified' );
 		}
 		echo '<br />';
-		if ( 'excerpt' == $mode ) {
+		if ( 'excerpt' === $mode ) {
 			/**
 			 * Filter the published time of the post.
 			 *
@@ -1018,9 +1018,9 @@ class WP_Posts_List_Table extends WP_List_Table {
 	 * @param string  $column_name The current column name.
 	 */
 	public function column_default( $post, $column_name ) {
-		if ( 'categories' == $column_name ) {
+		if ( 'categories' === $column_name ) {
 			$taxonomy = 'category';
-		} elseif ( 'tags' == $column_name ) {
+		} elseif ( 'tags' === $column_name ) {
 			$taxonomy = 'post_tag';
 		} elseif ( 0 === strpos( $column_name, 'taxonomy-' ) ) {
 			$taxonomy = substr( $column_name, 9 );
@@ -1172,11 +1172,11 @@ class WP_Posts_List_Table extends WP_List_Table {
 		}
 
 		if ( current_user_can( 'delete_post', $post->ID ) ) {
-			if ( 'trash' == $post->post_status )
+			if ( 'trash' === $post->post_status )
 				$actions['untrash'] = "<a title='" . esc_attr__( 'Restore this item from the Trash' ) . "' href='" . wp_nonce_url( admin_url( sprintf( $post_type_object->_edit_link . '&amp;action=untrash', $post->ID ) ), 'untrash-post_' . $post->ID ) . "'>" . __( 'Restore' ) . "</a>";
 			elseif ( EMPTY_TRASH_DAYS )
 				$actions['trash'] = "<a class='submitdelete' title='" . esc_attr__( 'Move this item to the Trash' ) . "' href='" . get_delete_post_link( $post->ID ) . "'>" . __( 'Trash' ) . "</a>";
-			if ( 'trash' == $post->post_status || !EMPTY_TRASH_DAYS )
+			if ( 'trash' === $post->post_status || !EMPTY_TRASH_DAYS )
 				$actions['delete'] = "<a class='submitdelete' title='" . esc_attr__( 'Delete this item permanently' ) . "' href='" . get_delete_post_link( $post->ID, '', true ) . "'>" . __( 'Delete Permanently' ) . "</a>";
 		}
 
@@ -1271,7 +1271,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 				$flat_taxonomies[] = $taxonomy;
 		}
 
-		$m = ( isset( $mode ) && 'excerpt' == $mode ) ? 'excerpt' : 'list';
+		$m = ( isset( $mode ) && 'excerpt' === $mode ) ? 'excerpt' : 'list';
 		$can_publish = current_user_can( $post_type_object->cap->publish_posts );
 		$core_columns = array( 'cb' => true, 'date' => true, 'title' => true, 'categories' => true, 'tags' => true, 'comments' => true, 'author' => true );
 
@@ -1379,7 +1379,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	<?php foreach ( $hierarchical_taxonomies as $taxonomy ) : ?>
 
 			<span class="title inline-edit-categories-label"><?php echo esc_html( $taxonomy->labels->name ) ?></span>
-			<input type="hidden" name="<?php echo ( $taxonomy->name == 'category' ) ? 'post_category[]' : 'tax_input[' . esc_attr( $taxonomy->name ) . '][]'; ?>" value="0" />
+			<input type="hidden" name="<?php echo ( $taxonomy->name === 'category' ) ? 'post_category[]' : 'tax_input[' . esc_attr( $taxonomy->name ) . '][]'; ?>" value="0" />
 			<ul class="cat-checklist <?php echo esc_attr( $taxonomy->name )?>-checklist">
 				<?php wp_terms_checklist( null, array( 'taxonomy' => $taxonomy->name ) ) ?>
 			</ul>
@@ -1442,7 +1442,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 
 	<?php	endif; // !$bulk
 
-			if ( 'page' == $screen->post_type ) :
+			if ( 'page' === $screen->post_type ) :
 	?>
 
 			<label>
@@ -1542,7 +1542,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 					</select>
 				</label>
 
-	<?php if ( 'post' == $screen->post_type && $can_publish && current_user_can( $post_type_object->cap->edit_others_posts ) ) : ?>
+	<?php if ( 'post' === $screen->post_type && $can_publish && current_user_can( $post_type_object->cap->edit_others_posts ) ) : ?>
 
 	<?php	if ( $bulk ) : ?>
 
diff --git a/src/wp-admin/includes/class-wp-terms-list-table.php b/src/wp-admin/includes/class-wp-terms-list-table.php
index a64728c620..2acbfcffc1 100644
--- a/src/wp-admin/includes/class-wp-terms-list-table.php
+++ b/src/wp-admin/includes/class-wp-terms-list-table.php
@@ -69,7 +69,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 	public function prepare_items() {
 		$tags_per_page = $this->get_items_per_page( 'edit_' . $this->screen->taxonomy . '_per_page' );
 
-		if ( 'post_tag' == $this->screen->taxonomy ) {
+		if ( 'post_tag' === $this->screen->taxonomy ) {
 			/**
 			 * Filter the number of terms displayed per page for the Tags list table.
 			 *
@@ -88,7 +88,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 			 * @param int $tags_per_page Number of tags to be displayed. Default 20.
 			 */
 			$tags_per_page = apply_filters( 'tagsperpage', $tags_per_page );
-		} elseif ( 'category' == $this->screen->taxonomy ) {
+		} elseif ( 'category' === $this->screen->taxonomy ) {
 			/**
 			 * Filter the number of terms displayed per page for the Categories list table.
 			 *
@@ -153,7 +153,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 	 * @return string
 	 */
 	public function current_action() {
-		if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' == $_REQUEST['action'] || 'delete' == $_REQUEST['action2'] ) )
+		if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['delete_tags'] ) && ( 'delete' === $_REQUEST['action'] || 'delete' === $_REQUEST['action2'] ) )
 			return 'bulk-delete';
 
 		return parent::current_action();
@@ -171,7 +171,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 			'slug'        => __( 'Slug' ),
 		);
 
-		if ( 'link_category' == $this->screen->taxonomy ) {
+		if ( 'link_category' === $this->screen->taxonomy ) {
 			$columns['links'] = __( 'Links' );
 		} else {
 			$columns['posts'] = _x( 'Count', 'Number/count of items' );
@@ -496,7 +496,7 @@ class WP_Terms_List_Table extends WP_List_Table {
 		if ( 'post' != $this->screen->post_type )
 			$args['post_type'] = $this->screen->post_type;
 
-		if ( 'attachment' == $this->screen->post_type )
+		if ( 'attachment' === $this->screen->post_type )
 			return "<a href='" . esc_url ( add_query_arg( $args, 'upload.php' ) ) . "'>$count</a>";
 
 		return "<a href='" . esc_url ( add_query_arg( $args, 'edit.php' ) ) . "'>$count</a>";
diff --git a/src/wp-admin/includes/class-wp-theme-install-list-table.php b/src/wp-admin/includes/class-wp-theme-install-list-table.php
index 427c539148..63b11051f5 100644
--- a/src/wp-admin/includes/class-wp-theme-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-theme-install-list-table.php
@@ -50,7 +50,7 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 		// These are the tabs which are shown on the page,
 		$tabs = array();
 		$tabs['dashboard'] = __( 'Search' );
-		if ( 'search' == $tab )
+		if ( 'search' === $tab )
 			$tabs['search']	= __( 'Search Results' );
 		$tabs['upload'] = __( 'Upload' );
 		$tabs['featured'] = _x( 'Featured', 'themes' );
@@ -163,7 +163,7 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 
 		$display_tabs = array();
 		foreach ( (array) $tabs as $action => $text ) {
-			$class = ( $action == $tab ) ? ' class="current"' : '';
+			$class = ( $action === $tab ) ? ' class="current"' : '';
 			$href = self_admin_url('theme-install.php?tab=' . $action);
 			$display_tabs['theme-install-'.$action] = "<a href='$href'$class>$text</a>";
 		}
diff --git a/src/wp-admin/includes/class-wp-users-list-table.php b/src/wp-admin/includes/class-wp-users-list-table.php
index c70db838f3..21f6387133 100644
--- a/src/wp-admin/includes/class-wp-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-users-list-table.php
@@ -45,7 +45,7 @@ class WP_Users_List_Table extends WP_List_Table {
 			'screen'   => isset( $args['screen'] ) ? $args['screen'] : null,
 		) );
 
-		$this->is_site_users = 'site-users-network' == $this->screen->id;
+		$this->is_site_users = 'site-users-network' === $this->screen->id;
 
 		if ( $this->is_site_users )
 			$this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;
@@ -169,7 +169,7 @@ class WP_Users_List_Table extends WP_List_Table {
 
 			$class = '';
 
-			if ( $this_role == $role ) {
+			if ( $this_role === $role ) {
 				$class = ' class="current"';
 			}