Spelling: Standardize on "front end"/"back end" (noun) and "front-end"/"back-end" (adjective).

Props obrienlabs, thewanderingbrit.
Fixes #34887.

git-svn-id: https://develop.svn.wordpress.org/trunk@36709 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/admin-ajax.php

@@ -21,7 +21,7 @@ if ( ! defined( 'WP_ADMIN' ) ) {
 /** Load WordPress Bootstrap */
 require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
-/** Allow for cross-domain requests (from the frontend). */
+/** Allow for cross-domain requests (from the front end). */
 send_origin_headers();
 
 // Require an action parameter

src/wp-admin/admin-post.php

@@ -18,7 +18,7 @@ if ( defined('ABSPATH') )
 else
 	require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
 
-/** Allow for cross-domain requests (from the frontend). */
+/** Allow for cross-domain requests (from the front end). */
 send_origin_headers();
 
 require_once(ABSPATH . 'wp-admin/includes/admin.php');

src/wp-admin/admin.php

@@ -146,7 +146,7 @@ if ( current_user_can( 'manage_options' ) ) {
 	 * handled separately.
 	 *
 	 * The WP_MAX_MEMORY_LIMIT constant specifically defines the maximum memory limit available
-	 * when in the administration back-end. The default is 256M, or 256 megabytes of memory.
+	 * when in the administration back end. The default is 256M, or 256 megabytes of memory.
 	 *
 	 * @since 3.0.0
 	 *

src/wp-admin/includes/class-wp-site-logo.php

@@ -27,7 +27,7 @@ class WP_Site_Logo {
 	}
 
 	/**
-	 * Hide header text on front-end if necessary.
+	 * Hide header text on front end if necessary.
 	 *
 	 * @since 4.5.0
 	 * @access public

src/wp-admin/includes/class-wp-theme-install-list-table.php

@@ -241,7 +241,7 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 	 *     public 'rating' => float 80
 	 *     public 'num_ratings' => int 1
 	 *     public 'homepage' => string 'http://wordpress.org/themes/magazine-basic'
-	 *     public 'description' => string 'A basic magazine style layout with a fully customizable layout through a backend interface. Designed by <a href="http://bavotasan.com">c.bavota</a> of <a href="http://tinkerpriestmedia.com">Tinker Priest Media</a>.'
+	 *     public 'description' => string 'A basic magazine style layout with a fully customizable layout through a back-end interface. Designed by <a href="http://bavotasan.com">c.bavota</a> of <a href="http://tinkerpriestmedia.com">Tinker Priest Media</a>.'
 	 *     public 'download_link' => string 'http://wordpress.org/themes/download/magazine-basic.1.1.zip'
 	 */
 	public function single_row( $theme ) {

src/wp-admin/includes/update-core.php

@@ -1095,7 +1095,7 @@ function update_core($from, $to) {
 
 	// Clear the cache to prevent an update_option() from saving a stale db_version to the cache
 	wp_cache_flush();
-	// (Not all cache backends listen to 'flush')
+	// (Not all cache back ends listen to 'flush')
 	wp_cache_delete( 'alloptions', 'options' );
 
 	// Remove working directory

src/wp-admin/js/customize-controls.js

@@ -1557,7 +1557,7 @@
 			// Watch for changes to the section state
 			inject = function ( sectionId ) {
 				var parentContainer;
-				if ( ! sectionId ) { // @todo allow a control to be embedded without a section, for instance a control embedded in the frontend
+				if ( ! sectionId ) { // @todo allow a control to be embedded without a section, for instance a control embedded in the front end.
 					return;
 				}
 				// Wait for the section to be registered
@@ -3039,10 +3039,10 @@
 
 			// Limit the URL to internal, front-end links.
 			//
-			// If the frontend and the admin are served from the same domain, load the
+			// If the front end and the admin are served from the same domain, load the
 			// preview over ssl if the Customizer is being loaded over ssl. This avoids
-			// insecure content warnings. This is not attempted if the admin and frontend
-			// are on different domains to avoid the case where the frontend doesn't have
+			// insecure content warnings. This is not attempted if the admin and front end
+			// are on different domains to avoid the case where the front end doesn't have
 			// ssl certs.
 
 			this.add( 'previewUrl', params.previewUrl ).setter( function( to ) {

src/wp-admin/js/revisions.js

@@ -14,7 +14,7 @@ window.wp = window.wp || {};
 	 */
 	revisions = wp.revisions = { model: {}, view: {}, controller: {} };
 
-	// Link post revisions data served from the back-end.
+	// Link post revisions data served from the back end.
 	revisions.settings = window._wpRevisionsSettings || {};
 
 	// For debugging

src/wp-admin/my-sites.php

@@ -39,7 +39,7 @@ get_current_screen()->add_help_tab( array(
 	'id'      => 'overview',
 	'title'   => __('Overview'),
 	'content' =>
-		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the frontend or the dashboard for that site.') . '</p>' .
+		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the front end or the dashboard for that site.') . '</p>' .
 		'<p>' . __('Up until WordPress version 3.0, what is now called a Multisite Network had to be installed separately as WordPress MU (multi-user).') . '</p>'
 ) );
 

src/wp-admin/network/sites.php

@@ -35,7 +35,7 @@ get_current_screen()->add_help_tab( array(
 		'<li>' . __('Dashboard leads to the Dashboard for that site.') . '</li>' .
 		'<li>' . __('Deactivate, Archive, and Spam which lead to confirmation screens. These actions can be reversed later.') . '</li>' .
 		'<li>' . __('Delete which is a permanent action after the confirmation screens.') . '</li>' .
-		'<li>' . __('Visit to go to the frontend site live.') . '</li></ul>' .
+		'<li>' . __('Visit to go to the front-end site live.') . '</li></ul>' .
 		'<p>' . __('The site ID is used internally, and is not shown on the front end of the site or to users/viewers.') . '</p>' .
 		'<p>' . __('Clicking on bold headings can re-sort this table.') . '</p>'
 ) );