Ticket #43987: 43987-3.diff

src/wp-admin/includes/class-wp-plugins-list-table.php

@@ -900 +900 @@
         protected function get_primary_column_name() {
                 return 'name';
         }
+
+        /**
+         * Load hooks to prevent plugin updates if PHP version requirement not met.
+         */
+        public function load_requires_php() {
+                add_filter( 'plugin_row_meta', array( $this, 'plugin_update_nag' ), 10, 2 );
+        }
+
+        /**
+         * Adds small PHP upgrade nag to plugin row.
+         *
+         * @param array  $links
+         * @param string $file
+         *
+         * @return array $links
+         */
+        public function plugin_update_nag( $links, $file ) {
+                $slug = dirname( $file );
+                if ( $this->is_required_php( $slug ) ) {
+                        $links[] = '<span style="color:#f00;">' . __( 'Upgrade PHP for available plugin update.' ) . '</span>';
+                        add_action( "after_plugin_row_{$file}", array( $this, 'remove_plugin_update_row' ), 10, 2 );
+                }
+
+                return $links;
+        }
+
+        /**
+         * Write out inline style to hide the update row notice.
+         *
+         * @param string $plugin_file Unused.
+         * @param array  $plugin_data Plugin data.
+         */
+        public function remove_plugin_update_row( $plugin_file, $plugin_data ) {
+                print( '<script>' );
+                print( 'jQuery(".update[data-plugin=\'' . $plugin_file . '\']").removeClass("update");' );
+                print( 'jQuery("tr#' . $plugin_data['slug'] . '-update").remove();' );
+                print( '</script>' );
+        }
+
+        /**
+         * Unset update_plugins from update-core.php as appropriate.
+         *
+         * @param array $plugins Plugins for updating.
+         *
+         * @return array $plugins Plugins for updating.
+         */
+        public function unset_plugin_updates( $plugins ) {
+                if ( ! empty( $plugins ) ) {
+                        foreach ( $plugins as $file => $class ) {
+                                if ( $this->is_required_php( $class->update->slug ) ) {
+                                        unset( $plugins[ $file ] );
+                                        $this->requires_php_update_notice();
+                                }
+                        }
+                }
+
+                return $plugins;
+        }
+
+        /**
+         * Create requires PHP update notice.
+         */
+        public function requires_php_update_notice() {
+                $message = '<span style="color:#f00;" class="dashicons dashicons-warning"></span>&nbsp;';
+                $message .= __( 'Some updates are not shown in this list because they require a newer version of PHP.' );
+                print( '<div class="notice-error notice"><p>' . $message . '</p></div>' );
+        }
+
+        /**
+         * Test for required PHP version.
+         *
+         * @param string $slug Slug of the repository being tested.
+         *
+         * @return bool True for below required PHP version.
+         *              False for above required PHP version or none set.
+         */
+        protected function is_required_php( $slug ) {
+                $response = $this->get_plugin_dot_org_api_data( $slug );
+
+                if ( ! $response->requires_php ) {
+                        return false;
+                }
+
+                return version_compare( PHP_VERSION, $response->requires_php, '<=' );
+        }
+
+        /**
+         * Get the dot org API data for the plugin or theme slug.
+         *
+         * @param string $slug Plugin or theme slug.
+         *
+         * @return object|bool $response
+         */
+        protected function get_plugin_dot_org_api_data( $slug ) {
+                $response = get_site_transient( 'php_check-' . $slug );
+                if ( ! $response ) {
+                        $url      = 'https://api.wordpress.org/plugins/info/1.2/';
+                        $url      = add_query_arg( array(
+                                'action'        => 'plugin_information',
+                                'request[slug]' => $slug,
+                        ), $url );
+                        $response = wp_remote_get( $url );
+                        $response = null !== $response['body'] ? json_decode( $response['body'] ) : false;
+
+                        // Plugins not in dot org.
+                        if ( ! isset( $response->requires_php ) ) {
+                                $response->requires_php = false;
+                        }
+                        set_site_transient( 'php_check-' . $slug, $response );
+                }
+
+                return $response;
+        }
+
 }

src/wp-admin/plugins.php

@@ -405 +405 @@
 }
 
 $wp_list_table->prepare_items();
+$wp_list_table->load_requires_php();
 
 wp_enqueue_script( 'plugin-install' );
 add_thickbox();

src/wp-admin/update-core.php

@@ -232 +232 @@
 
         require_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
         $plugins = get_plugin_updates();
+
+        $wp_list_table = _get_list_table( 'WP_Plugins_List_Table' );
+        $plugins = $wp_list_table->unset_plugin_updates( $plugins );
+
         if ( empty( $plugins ) ) {
                 echo '<h2>' . __( 'Plugins' ) . '</h2>';
                 echo '<p>' . __( 'Your plugins are all up to date.' ) . '</p>';