wp_schedule_event is registered but function isn't running

Question

I'm trying to run a function on an hourly basis with wp_schedule_event. I'm using the following code:

/* Add FB Sync schedule */
register_activation_hook(__FILE__, 'cp_fb_schedule');

// Scheduled Action Hook
function cp_fb_scheduled_sync( ) {
//      run the function
}

// Schedule Cron Job Event
function cp_fb_schedule() {
    if ( ! wp_next_scheduled( 'cp_fb_scheduled_sync' ) ) {
        wp_schedule_event( time(), 'hourly', 'cp_fb_scheduled_sync' );
    }
}
add_action( 'wp', 'cp_fb_schedule' );

register_deactivation_hook(__FILE__, 'my_deactivation');

function my_deactivation() {
    wp_clear_scheduled_hook('cp_fb_scheduled_sync');
}

I have checked with wp_next_scheduled and can see that the event is scheduled and the next one is due an hour after the last. So that appears to be working. The function I am trying to run works fine when I call it directly within a page (I've omitted the code here just so it's easier to read). It just doesn't run on schedule.

Can anyone work out what I'm doing wrong?

thanks

Answer 1

I have refactored the code and tested so this should put you in the right direction! But what I changed? I add the action hook cp_fb_scheduled_sync and set it to call it hourly this only needs to run one time and the WP knows the intervals.

/* Add FB Sync schedule */
register_activation_hook(__FILE__, 'cp_fb_schedule');

// Scheduled Action Hook
function cp_fb_scheduled_sync_function( ) {
//      run the function
}

// Schedule Cron Job Event
function cp_fb_schedule() {
    if ( ! wp_next_scheduled( 'cp_fb_scheduled_sync' ) ) {
        wp_schedule_event( time(), 'hourly', 'cp_fb_scheduled_sync' );
    }
}
add_action( 'cp_fb_scheduled_sync', 'cp_fb_scheduled_sync_function' );

register_deactivation_hook(__FILE__, 'my_deactivation');

function my_deactivation() {
    wp_clear_scheduled_hook('cp_fb_scheduled_sync');
}