WordPress (WP-Cron)

WordPress uses its own cron system (WP-Cron) that runs on page visits. You can add WatchCron pings to any scheduled WordPress hook:

functions.php or custom plugin

// Schedule the event on activation
if (!wp_next_scheduled('my_daily_cleanup')) {
    wp_schedule_event(time(), 'daily', 'my_daily_cleanup');
}

// Hook the function
add_action('my_daily_cleanup', function() {
    $pingUrl = 'https://watchcron.com/ping/your-uuid';

    wp_remote_get("$pingUrl/start");

    try {
        // Clean up expired transients, revisions, etc.
        global $wpdb;
        $wpdb->query(
"DELETE FROM {$wpdb->options}
 WHERE option_name LIKE '_transient_timeout_%'
 AND option_value < UNIX_TIMESTAMP()"
        );

        wp_remote_get($pingUrl);
    } catch (Exception $e) {
        wp_remote_get("$pingUrl/fail");
    }
});

WP-Cron only runs when someone visits your site. On low-traffic sites, tasks may be delayed. For reliable scheduling, disable WP-Cron (define('DISABLE_WP_CRON', true); in wp-config.php) and trigger it with a real cron job: */5 * * * * wget -qO- https://yoursite.com/wp-cron.php

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