General: Error messages improvements in /wp-includes files.

This changeset improves a bunch of error messages, notably replacing the good old cryptic "Something went wrong" message with more helpful information.

Props peterwilsoncc, netweb, karmatosed, JoshuaWold, mrtortai, audrasjb, sukhendu2002, joedolson.
Fixes #43622.




git-svn-id: https://develop.svn.wordpress.org/trunk@59790 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-customize-manager.php

@@ -454,7 +454,7 @@ final class WP_Customize_Manager {
 		}
 
 		if ( ! $message ) {
-			$message = __( 'Something went wrong.' );
+			$message = __( 'An error occurred while customizing. Please refresh the page and try again.' );
 		}
 
 		if ( $this->messenger_channel ) {

src/wp-includes/class-wp-xmlrpc-server.php

@@ -4031,7 +4031,7 @@ class wp_xmlrpc_server extends IXR_Server {
 		}
 
 		if ( ! $comment_id ) {
-			return new IXR_Error( 403, __( 'Something went wrong.' ) );
+			return new IXR_Error( 403, __( 'An error occurred while processing your comment. Please ensure all fields are filled correctly and try again.' ) );
 		}
 
 		/**
@@ -5051,7 +5051,7 @@ class wp_xmlrpc_server extends IXR_Server {
 		$posts_list = wp_get_recent_posts( $query );
 
 		if ( ! $posts_list ) {
-			$this->error = new IXR_Error( 500, __( 'Either there are no posts, or something went wrong.' ) );
+			$this->error = new IXR_Error( 500, __( 'No posts found or an error occurred while retrieving posts.' ) );
 			return $this->error;
 		}
 
@@ -6584,7 +6584,7 @@ class wp_xmlrpc_server extends IXR_Server {
 		$posts_list = wp_get_recent_posts( $query );
 
 		if ( ! $posts_list ) {
-			$this->error = new IXR_Error( 500, __( 'Either there are no posts, or something went wrong.' ) );
+			$this->error = new IXR_Error( 500, __( 'No posts found or an error occurred while retrieving posts.' ) );
 			return $this->error;
 		}
 

src/wp-includes/functions.php

@@ -3672,7 +3672,7 @@ function get_allowed_mime_types( $user = null ) {
  */
 function wp_nonce_ays( $action ) {
 	// Default title and response code.
-	$title         = __( 'Something went wrong.' );
+	$title         = __( 'An error occurred.' );
 	$response_code = 403;
 
 	if ( 'log-out' === $action ) {

src/wp-includes/script-loader.php

@@ -810,7 +810,7 @@ function wp_default_scripts( $scripts ) {
 		'wpAjax',
 		array(
 			'noPerm' => __( 'Sorry, you are not allowed to do that.' ),
-			'broken' => __( 'Something went wrong.' ),
+			'broken' => __( 'An error occurred while processing your request. Please try again later.' ),
 		)
 	);
 
@@ -1292,7 +1292,7 @@ function wp_default_scripts( $scripts ) {
 			'close'                   => __( 'Close' ),
 			'action'                  => __( 'Action' ),
 			'discardChanges'          => __( 'Discard changes' ),
-			'cheatin'                 => __( 'Something went wrong.' ),
+			'cheatin'                 => __( 'An error occurred. Please try again later.' ),
 			'notAllowedHeading'       => __( 'You need a higher level of permission.' ),
 			'notAllowed'              => __( 'Sorry, you are not allowed to customize this site.' ),
 			'previewIframeTitle'      => __( 'Site Preview' ),

src/wp-mail.php

@@ -39,7 +39,15 @@ if ( ! defined( 'WP_MAIL_INTERVAL' ) ) {
 $last_checked = get_transient( 'mailserver_last_checked' );
 
 if ( $last_checked ) {
-	wp_die( __( 'Slow down cowboy, no need to check for new mails so often!' ) );
+	wp_die(
+		sprintf(
+			// translators: %s human readable rate limit.
+			__( 'Email checks are rate limited to once every %s.' ),
+			human_time_diff( time() - WP_MAIL_INTERVAL, time() )
+		),
+		__( 'Slow down, no need to check for new mails so often!' ),
+		429
+	);
 }
 
 set_transient( 'mailserver_last_checked', true, WP_MAIL_INTERVAL );