Create Pending Payment customer SMS notification

pending-payment-sms.php

<?php
// Send sms when pending payment after 1 hour of create order.
add_action('woocommerce_new_order', function ($order_id) {
	// You can change trigger time of Pending payment notifications SMS
	// if you want send notifications after 2 hour you should use 2 hour multiply by 3600
	as_schedule_single_action( time() + 7200, 'send_pending_payment_sms', array( $order_id ) ); // You need to change only time instead of 7200 if you want to change instead of 2 hour.
}, 10, 1);

add_action( 'init', 'send_pending_notifications', 1, 1 );
function send_pending_notifications() {
	add_action( 'send_pending_payment_sms', 'send_pending_payment_sms' );
}

function send_pending_payment_sms ( $order_id ) {
	$order = wc_get_order( $order_id );
	if ( class_exists( 'SMSWOO_Sms_Notification' ) && 'pending' == $order->get_status() ) {

		$sms_notification = SMSWOO_Sms_Notification::get_instance();
		$phone = $order->get_billing_phone( 'edit' );

		// add pending payment SMS content here
		$message = 'Hi , your order #' . $order_id . ' is pending payment'; // Replace SMS content here

		$sms_provider = $sms_notification->get_sms_provider();
		if ( ! $sms_provider ) {
			return;
		}
		$sms_gateway = new $sms_provider();
		
		try {
			$customer_country	= ! empty( $order ) ? $order->get_billing_country() : '';
			$shop_country		= substr( get_option( 'woocommerce_default_country' ), 0, 2 );
			$country_code		= ! empty( $customer_country ) ? $customer_country : $shop_country;
			$calling_code		= $sms_notification->get_calling_code( $country_code );

			if ( '+' != substr( $phone, 0, 1 ) ) {
				$phone = preg_replace( '/^0/', '', $phone );
				$phone = $sms_notification->country_special_cases( $phone );
				if ( substr( $phone, 0, strlen( $calling_code ) ) != $calling_code ) {
					$phone = $calling_code . $phone;
				}
			}
			$phone = preg_replace( '[\D]', '', $phone );
			if ( substr( $phone, 0, strlen( $calling_code ) ) == $calling_code  ) {
				$phone = preg_replace( "/^{$calling_code}(\s*)?0/", $calling_code, $phone );
			}
			
			$status_message = __( 'Sent', 'sms-for-woocommerce' );
			$sms_gateway->send( $phone, $message, $country_code );
			$success = true;
		} catch ( Exception $e ) {
			$status_message = $e->getMessage();
			$success        = false;
		}

		$data = array(
			'order_id'			=> $order_id,
			'order_number'		=> $order_id ? wc_get_order( $order_id )->get_order_number() : '',
			'user_id'			=> $order_id ? wc_get_order( $order_id )->get_user_id() : '',
			'date'				=> current_time( 'Y-m-d H:i:s' ),
			'to'				=> $phone,
			'shipment_status'	=> 'Pending Payment',
			'status'			=> $status_message,
			'type'				=> 'SMS',
			'sms_type'			=> 'order_sms',
		);
		SMSWOO()->admin->update_notification_table($data);
	}
}