I second SamuelElh comment and YES cron is the way to go. BUT, which cron? The WordPress implementation of cron is a tricky implementation. How? Actually it is a cron fired by the visits your site gets, both (back-end and front-end), so, if your site is not getting a visitor every 10 minutes as suggested … Read more
You an use following: add_filter(‘cron_schedules’, ‘add_scheduled_interval’); function add_scheduled_interval($schedules) { /* add your time to ‘interval’ option, it should be in seconds */ $schedules[‘hourly’] = array( ‘interval’ => 5, ‘display’ => ‘Once 5 sec’ ); return $schedules; }
WP Cron: wp_get_schedule( $hook ) returns nothing
WP-Cron system doesn’t work on server
Run external file cron using WordPress Scheduler
WordPress Multisite cron jobs using cron tab
You’re not specifying the number of posts you want back from the query, so it defaults to whatever you have set under Settings > Reading. If you want all that match your criteria, then add ‘posts_per_page’ => -1 to your query arguments.
What your are doing is that you are looping over an array of post objects. The get_posts() function returns objects, not ID’s. So what you will have to do is either use $post_id->ID or setup_postdata( $post_id ) and then use get_the_ID(). Might wanna rename $post_id to $post_object to avoid confusion.
The official wordpress documentation https://developer.wordpress.org/plugins/cron/hooking-into-the-system-task-scheduler/ suggests doing it via a web request rather as per your first example rather than php CLI as per your second example. Their example uses wget, but your curl request would work just as well. I believe they are using the web request replicates the standard http requests that would … Read more
The problem was in scheduled cron jobs. While testing I had previously set cron job for the same hook. After inspecting cron jobs I managed to delete that test schedule and now it is working.