
如何实现WordPress网站降级(用于解决插件和主题问题)
wp_ajax_nopriv_heartbeat ( No parameters )
wp_ajax_nopriv_heartbeat: 这个动作是由WordPress Heartbeat API在用户没有登录的时候触发的。它被用来执行后台任务或在用户不在页面上活动时更新内容。
在无权限的情况下,Heartbeat API的Ajax处理程序。
当用户没有登录时运行。
function wp_ajax_nopriv_heartbeat() { $response = array(); // 'screen_id' is the same as $current_screen->id and the JS global 'pagenow'. if ( ! empty( $_POST['screen_id'] ) ) { $screen_id = sanitize_key( $_POST['screen_id'] ); } else { $screen_id = 'front'; } if ( ! empty( $_POST['data'] ) ) { $data = wp_unslash( (array) $_POST['data'] ); /** * Filters Heartbeat Ajax response in no-privilege environments. * * @since 3.6.0 * * @param array $response The no-priv Heartbeat response. * @param array $data The $_POST data sent. * @param string $screen_id The screen ID. */ $response = apply_filters( 'heartbeat_nopriv_received', $response, $data, $screen_id ); } /** * Filters Heartbeat Ajax response in no-privilege environments when no data is passed. * * @since 3.6.0 * * @param array $response The no-priv Heartbeat response. * @param string $screen_id The screen ID. */ $response = apply_filters( 'heartbeat_nopriv_send', $response, $screen_id ); /** * Fires when Heartbeat ticks in no-privilege environments. * * Allows the transport to be easily replaced with long-polling. * * @since 3.6.0 * * @param array $response The no-priv Heartbeat response. * @param string $screen_id The screen ID. */ do_action( 'heartbeat_nopriv_tick', $response, $screen_id ); // Send the current time according to the server. $response['server_time'] = time(); wp_send_json( $response ); }