* Plugin Name: Display Recent WordPress Posts Widget
* Description: Displays recent posts from a WordPress.com or Jetpack-enabled self-hosted WordPress site.
* Author: Brad Angelcyk, Kathryn Presner, Justin Shreve, Carolyn Sonnek
* Author URI: https://automattic.com
* @package automattic/jetpack
* Disable direct access/execution to/of the widget code.
if ( ! defined( 'ABSPATH' ) ) {
require __DIR__ . '/wordpress-post-widget/class.jetpack-display-posts-widget-base.php';
require __DIR__ . '/wordpress-post-widget/class.jetpack-display-posts-widget.php';
add_action( 'widgets_init', 'jetpack_display_posts_widget' );
* Registers widget Jetpack_Display_Posts_Widget
function jetpack_display_posts_widget() {
register_widget( 'Jetpack_Display_Posts_Widget' );
add_filter( 'cron_schedules', 'jetpack_display_posts_widget_cron_intervals' ); // phpcs:ignore WordPress.WP.CronInterval.CronSchedulesInterval
* Adds 10 minute running interval to the cron schedules.
* @param array $current_schedules Currently defined schedules list.
function jetpack_display_posts_widget_cron_intervals( $current_schedules ) {
* Only add the 10 minute interval if it wasn't already set.
if ( ! isset( $current_schedules['minutes_10'] ) ) {
$current_schedules['minutes_10'] = array(
'interval' => 10 * MINUTE_IN_SECONDS,
'display' => 'Every 10 minutes',
return $current_schedules;
add_action( 'jetpack_display_posts_widget_cron_update', 'jetpack_display_posts_update_cron_action' );
* Run the Jetpack_Display_Posts_Widget cron task.
function jetpack_display_posts_update_cron_action() {
$widget = new Jetpack_Display_Posts_Widget();
* Handle activation procedures for the cron.
* `updating_jetpack_version` - Handle cron activation when Jetpack gets updated. It's here
* to cover the first cron activation after the update.
* `jetpack_activate_module_widgets` - Activate the cron when the Extra Sidebar widgets are activated.
* `activated_plugin` - Activate the cron when Jetpack gets activated.
add_action( 'updating_jetpack_version', 'jetpack_display_posts_widget_conditionally_activate_cron' );
add_action( 'jetpack_activate_module_widgets', 'Jetpack_Display_Posts_Widget::activate_cron' );
add_action( 'activated_plugin', 'jetpack_conditionally_activate_cron_on_plugin_activation' );
* Executed when Jetpack gets activated. Tries to activate the cron if it is needed.
* @param string $plugin_file_name The plugin file that was activated.
function jetpack_conditionally_activate_cron_on_plugin_activation( $plugin_file_name ) {
if ( plugin_basename( JETPACK__PLUGIN_FILE ) === $plugin_file_name ) {
jetpack_display_posts_widget_conditionally_activate_cron();
* Activates the cron only when needed.
* @see Jetpack_Display_Posts_Widget::should_cron_be_running
function jetpack_display_posts_widget_conditionally_activate_cron() {
$widget = new Jetpack_Display_Posts_Widget();
if ( $widget->should_cron_be_running() ) {
$widget->activate_cron();
* End of cron activation handling.
* Handle deactivation procedures where they are needed.
* If Extra Sidebar Widgets module is deactivated, the cron is not needed.
* If Jetpack is deactivated, the cron is not needed.
add_action( 'jetpack_deactivate_module_widgets', 'Jetpack_Display_Posts_Widget::deactivate_cron_static' );
register_deactivation_hook( plugin_basename( JETPACK__PLUGIN_FILE ), 'Jetpack_Display_Posts_Widget::deactivate_cron_static' );