Send birthday greetings to accounts with today’s birthdays

send birthday greetings to accounts with today’s birthdays

function um_080822_email_notifications( $notifications ){

	$notifications['um_greet_todays_birthdays'] = array(
		'key'           	=> 'um_greet_todays_birthdays',
		'title'         	=> __( 'Happy Birthday!','um-groups' ),
		'subject'       	=> 'Happy Birthday from {site_name}',
		'body'          	=> 'Hi {display_name},<br /><br />'.
		                   '"We wish you a happy birthday!',
		'description'   	=> __('Whether to send the user an email when someone\'s todays birthday.','ultimate-member'),
		'recipient'   	 	=> 'member',
		'default_active' 	=> true
	);

	return $notifications;
}
add_filter( 'um_email_notifications', 'um_080822_email_notifications', 10, 1 );

function um_080822_cron_task_birthday_greet_notification(){

    $date = date("/m/d");

    $query_args['meta_query'][ ] = array(
        'relation' => 'AND',
        array(
            'key' => 'birth_date',
            'value' => $date,
            'compare' => 'RLIKE'
        ),
        array(
            'key' => 'um_birthday_greeted_' . md5( $date ),
            'compare' => 'NOT EXISTS'
        )
    );

    $users = new WP_User_Query( $query_args );

    // Get the results
    $celebrants = $wp_user_query->get_results();
    
    // Check for results
    if ( !empty( $celebrants ) ) {

        foreach( $celebrants as $c ){
            $recipient_email = $c->user_email;

            $display_name = um_user("display_name");
            
            UM()->mail()->send( $recipient_email, 'um_greet_todays_birthdays', array(
                        'plain_text'	 => 1,
                        'tags'				 => array(
                            '{display_name}',
                        ),
                        'tags_replace' => array(
                            $display_name,
                        )
            ) );
            

            update_user_meta( $c->ID, 'um_birthday_greeted_' . md5( $date ), true );
        }

    }
}
add_action("um_do2_birthday_greet_notification","um_080822_cron_task_birthday_greet_notification");

if ( ! wp_next_scheduled ( 'um_do2_birthday_greet_notification') ) {
    wp_schedule_event( time(), 'hourly', 'um_do2_birthday_greet_notification' );
}