GF disable notifications

GF_disable_notifications.php

// disable notifications 
function send_notification ( $event, $form, $lead ) {
	$notifications         = GFCommon::get_notifications_to_send( $event, $form, $lead );
	$notifications_to_send = array();
	//running through filters that disable form submission notifications
	foreach ( $notifications as $notification ) {
		if ( apply_filters( "gform_disable_notification_{$form['id']}", apply_filters( 'gform_disable_notification', false, $notification, $form, $lead ), $notification, $form, $lead ) ) {
			//skip notifications if it has been disabled by a hook
			continue;
		}
		$notifications_to_send[] = $notification['id'];
	}
	GFCommon::send_notifications( $notifications_to_send, $form, $lead, true, $event );
}