wp-cron

Cron execution may differ depending on when the system cron is actually being run. For example, if your system is running cron at 5 minutes interval, even a cron scheduled for immediate run will execute between a few seconds to 5 minutes. You may use the WP Crontrol Plugin to check the cron schedules set … Read more

Do you have define(‘DISABLE_WP_CRON’, true); set in wp-config? You need it to have the system cron fire up the wp-cron tasks. Go to the bottom of the database settings in wp-config.php, typically around line 37, and add it. Then setup the system cron to fire up the wp-cron tasks: */5 * * * * wget … Read more

The cause is that the define in wp-config.php is below the line saying /* That’s all, stop editing! Happy blogging. */ Anything defined below that is unlikely to have any impact on how wordpress works.

Check the WordPress timezone setting before ripping your hair or making any big changes to files.

If you’re launching wp-cron manually you don’t need the “doing_wp_cron” parameter. The fact that you have it and haven’t given it a value is very likely to be what’s causing your error.

Well, I found the answer in the actual documentation: https://developer.wordpress.org/reference/functions/wp_next_scheduled/ in form of a comment by “ub3rst4r”: Note the $args parameter! Not specifying the $args parameter in wp_next_scheduled but having $args for wp_schedule_event will cause many events to be scheduled (instead of just one). Bad Example: if ( ! wp_next_scheduled( ‘myevent’ ) ) { // … Read more