Add users to a list or tag who subscribe last week from today in CRM and trigger an email automation

Add users to a list or tag who subscribe last week from today in CRM and trigger an email automation

/**
 * Please use this code inside the theme function.php file
 * or it can throw error on your site
 */

/**
 * this method will register event to WordPress init
 */
 
add_action( 'init', 'SendEmailToLastWeekContacts');
function SendEmailToLastWeekContacts(){
    if( !wp_next_scheduled( 'notify_last_week_contacts' ) ) {
        // schedule an event

        //Available Event Types (hourly, twicedaily, daily, weekly, fifteendays, monthly)

        wp_schedule_event( time(), 'hourly', 'notify_last_week_contacts' );
    }
}

add_action( 'notify_last_week_contacts', 'addToListForEmail' );

/**
 * this method will call when cron executes
 */
function addToListForEmail()
{
    $data = wpFluent()->table('fc_subscribers')->where('status', 'subscribed')->get(); // Getting all subscribers
    $totalData = count($data); // Counting subscribers number
    $contactApi = FluentCrmApi('contacts');
    $daysToValidate = 7; // Please make sure you are adding the number of days only e.g. ( 60 = 2months, 7 = 1week, 2 = 2 days)
    $list = [4]; // ID number of the list. Replace 4 with your list id number
    //$tag = [4]; // ID number of the tag. Replace 4 with your tag id number

    for ($i = 0; $i<$totalData; $i++) {

        if ($data[$i]->status == 'subscribed') {

            $to = new DateTime(current_time('Y-m-d H:i:s')); // Today
            $from = new DateTime($data[$i]->created_at); // Created Date Time
            $diff = $to->diff($from)->format("%a"); // Calculating the day diff and converting it in days

            if($diff >= $daysToValidate){
                $contact = $contactApi->getContact($data[$i]->email);
                $contact->attachLists($list); // Attaching to a list for the automation
                //$contact->attachTags($tag); // Attaching tag for the automation
            }

        }
    }
}