After some testing indeed, both WP Super Cache and W3 Total Cache do not release the buffer (or prevent the buffer from being released). Turning off “output delay” is simple and depends on the caching plugin involved. WP Super Cache: wp_cache_disable(); ob_end_flush(); // or ob_end_clean(); This should be added after including wp-load.php, this stops any … Read more
4.9.0 introduced wp_unschedule_hook() https://developer.wordpress.org/reference/functions/wp_unschedule_hook/
WP Cron runs, when somebody visits your website. Thus if nobody visits, the cron never runs. Now there are 2 solutions: Disable WP Cron, use a real cron job and customize it. https://support.hostgator.com/articles/specialized-help/technical/wordpress/how-to-replace-wordpress-cron-with-a-real-cron-job Use a custom interval in wp_schedule_event(): function myprefix_custom_cron_schedule( $schedules ) { $schedules[‘every_six_hours’] = array( ‘interval’ => 21600, // Every 6 hours ‘display’ … Read more
WordPress has a constant DOING_CRON that helps us know we’re doing the cron jobs or not. It’s defined in wp-cron.php file. So, you can check this constant in your code: if ( defined( ‘DOING_CRON’ ) ) { // Do something }
Thanks Privateer for the prompt reply and advice. I found a way around it before I saw your answer. Here is a step-by-step method for deleting thousands of old cron jobs and may be of use to someone else. I logged on to phpMyAdmin. I clicked on my database and then the ‘search’ tab. I … Read more
You can run WP cron manually by calling: http://example.com/wp-cron.php?doing_wp_cron If you don’t want the automatic cron to run while you’re debugging, then add this to your /wp-config.php file: define(‘DISABLE_WP_CRON’, true); If you’re on a development environment and want to output debug information, calling it manually like that will show you your debug output. Alternatively you … Read more
This can happen if curl is asked to do plain HTTP on a server that does HTTPS. Example: