Ticket #33932: patch.7.diff

wp-admin/includes/class-wp-upgrader.php

@@ -3483 +3483 @@
 
                 // Plugins, Themes, Translations
                 foreach ( array( 'plugin', 'theme', 'translation' ) as $type ) {
-                        if ( ! isset( $this->update_results[ $type ] ) )
-                                continue;
+                        
+                        /**  
+                        * Filter to disable notification emails on plugins/themes/translation.  
+                        *  
+                        * By default, administrators are notified when the update offer received  
+                        * from WordPress.org sets a particular flag. This allows some discretion  
+                        * in if and when to notify. This can be used to disabe automatic
+                        * update notifications.  
+                        *  
+                        * This filter is only evaluated once per update  
+                        *.  
+                        *  
+                        * @since 4.6.0  
+                        *  
+                        * @param bool   $notify Whether the site administrator is notified.  
+                        * @param string $type   The type of update (plugin, theme, translation).  
+                        * @param object $this   WP_Automatic_Updater instance  
+                        */  
+                        if ( ! apply_filters( 'send_update_notification_email', true, $type, $this ) ) { 
+                                if ( isset( $this->update_results[ $type ] ) ) { 
+                                        unset( $this->update_results[ $type ] ); 
+                                }  
+                        }  
+
+                        if ( ! isset( $this->update_results[ $type ] ) ) 
+                                continue; 
+
                         $success_items = wp_list_filter( $this->update_results[ $type ], array( 'result' => true ) );
                         if ( $success_items ) {
                                 $messages = array(
@@ -3517 +3542 @@
                         $body[] = '';
                 }
 
+                if ( empty( $this->update_results ) ) {  
+                        return; 
+                }
+
                 $site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
                 if ( $failures ) {
                         $body[] = trim( __(
@@ -3545 +3574 @@
                 foreach ( array( 'core', 'plugin', 'theme', 'translation' ) as $type ) {
                         if ( ! isset( $this->update_results[ $type ] ) )
                                 continue;
+
                         foreach ( $this->update_results[ $type ] as $update ) {
                                 $body[] = $update->name;
                                 $body[] = str_repeat( '-', strlen( $update->name ) );