How Do I Make WordPress Run an Event Every Day?
Check out wp_cron and the cron_schedules filter. There are lots of good tutorials out there like this one from WPTuts or this one from Viper007Bond.
cron
How to make wp cron job not fire immediately?
As described in wp_schedule_event first parameter is $timestamp – the first time that you want the event to occur. So just add interval to $timestamp. I think it should be like wp_schedule_event( time() + $delay, ‘interval1’, ‘my_cron_hook’ ); And set $delay as miliseconds before hook starts.
Running wp-cron from CLI
Or, you could use WP-CLI which was developed for scenarios like these. After a short installation like this $ curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar $ chmod +x wp-cli.phar $ sudo mv wp-cli.phar /usr/local/bin/wp You can run your scheduled tasks like so $ wp cron event run –due-now –path=/var/www/mywebsite.com/ or via crontab (every 5mins) */5 * * * … Read more
Transient RSS feeds in wp_options not removed automatically?
Yep, this does seem like a cron issue. Core Control plugin is good to diagnose cron tasks (among other things). I am still unsure what is the reason of you getting overrun with feed transients. However I had written some code that might help with automatic cleanup.
What happens when wp_cron is deactivated in WordPress?
wp_cron is used to schedule tasks such as deleting old posts from trash, deleting old spam comments, and checking for plugin/theme updates.
What would be a PHP command to erase all posts from category X from the last month?
The first step is setting up the cron job. The second part requires querying the database for a specific post type where the entry is older than 1 week. We can do this with get_posts() and specifying the category argument and the date_query argument. //* If the scheduled event got removed from the cron schedule, … Read more
Delete posts from a post type automatically via Cron
Although I do not understand the motivation for truncating posts, I think this exercise is valuable for you to understand how to use cron + WordPress. Create a function to truncate posts This can be used for both methods below WP-cron or UNIX cron. function foobar_truncate_posts(){ global $wpdb; # Set your threshold of max posts … Read more
Cron firing my function everytime wp-admin is visited
An idea I came up with was using the new WP Heartbeat API as opposed to using cron. Have your plugin fire off a call to your logging system every hour. Pippin’s tutorial contains the majority of the code you’ll need to get started.
Calling static method in the Widget Class
Try this instead: $gloabl $myxclass; $myxclass = new Xwidget(); add_action( ‘xxx_followers’, array(&$myxclass, “cron_addB” ) ); or add_action(‘xxx_followers’, “init_xclass_and_cron”); function init_xclass_and_cron() { $myxclass = new Xwidget(); $myxclass->cron_addB(); }
Recurring scheduled task help
You have to schedule your event in a hook, for example in after_setup_theme or wp actions: add_filter(‘cron_schedules’,’my_cron_definer’); function my_cron_definer($schedules){ $schedules[‘twomin’] = array( ‘interval’=> 120, ‘display’=> __(‘Once Every 2 Minutes’) ); return $schedules; } add_action(‘my_periodic_action’,’my_periodic_function’); function my_periodic_function(){ mail(’[email protected]’,’Test!’, ‘Test Message’); } add_action( ‘wp’, ‘wpse8170_setup_events’ ); // or add_action( ‘after_setup_theme’, ‘wpse8170_setup_events’ ); function wpse8170_setup_events() { if ( … Read more