Ticket #49132: 49132.diff

src/wp-admin/includes/plugin.php

@@ -1058 +1058 @@
                 if ( is_wp_error( $result ) ) {
                         $invalid[ $plugin ] = $result;
                         deactivate_plugins( $plugin, true );
+
+                        // If the plugin doesn’t exists anymore, remove the related language files, silently.
+                        $error_code = $result->get_error_codes();
+                        if ( 'plugin_not_found' === $error_code[0] ) {
+                                global $wp_filesystem;
+                                require_once( ABSPATH . '/wp-admin/includes/file.php' );
+                                WP_Filesystem();
+
+                                $plugins_dir = $wp_filesystem->wp_plugins_dir();
+                                if ( empty( $plugins_dir ) ) {
+                                        return new WP_Error( 'fs_no_plugins_dir', __( 'Unable to locate WordPress plugin directory.' ) );
+                                }
+
+                                $plugins_dir = trailingslashit( $plugins_dir );
+                                $plugin_translations = wp_get_installed_translations( 'plugins' );
+                                $plugin_slug = dirname( $plugin );      
+                                if ( '.' !== $plugin_slug && ! empty( $plugin_translations[ $plugin_slug ] ) ) {
+                                        $translations = $plugin_translations[ $plugin_slug ];
+                                        foreach ( $translations as $translation => $data ) {
+                                                $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.po' );
+                                                $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.mo' );
+                                                $json_translation_files = glob( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '-*.json' );
+                                                if ( $json_translation_files ) {
+                                                        array_map( array( $wp_filesystem, 'delete' ), $json_translation_files );
+                                                }
+                                        }
+                                }
+                        }
                 }
         }
         return $invalid;