The order number belongs to the user or not - wordpress

Question

I wanted to make a series of changes on the page checkout/thankyou.php woocommerce
if ( is_user_logged_in() ) {
if ( order number Belongs to user ???? ) {
show order details
} else { echo 'not show order details'; }
}
But I do not know how to check whether the order number belongs to the user or not
If the custom number entered belongs to him, show the order details
If the order number does not belong to the user, do not display the order details
I searched the site for about 3 hours but did not find anything, then I decided to ask a question

Answer 1

You can check with user id from order object $order->user_id; and check against the current logged-in user id for that you can use get_current_user_id(). try the below code.
thankyou.php
<?php
/**
* Thankyou page
*
* This template can be overridden by copying it to yourtheme/woocommerce/checkout/thankyou.php.
*
* HOWEVER, on occasion WooCommerce will need to update template files, and you
* (the theme developer) will need to copy the new files to your theme to
* maintain compatibility. We try to do this as little as possible, but it does
* happen. When this occurs the version of the template file will be bumped and
* the readme will list any important changes.
*
* #see https://docs.woocommerce.com/document/template-structure/
* #package WooCommerce\Templates
* #version 3.7.0
*/
defined( 'ABSPATH' ) || exit;
$user_id = $order->user_id;
if( is_user_logged_in() && $user_id == get_current_user_id() ){ ?>
<div class="woocommerce-order">
<?php
if ( $order ) :
do_action( 'woocommerce_before_thankyou', $order->get_id() );
?>
<?php if ( $order->has_status( 'failed' ) ) : ?>
<p class="woocommerce-notice woocommerce-notice--error woocommerce-thankyou-order-failed"><?php esc_html_e( 'Unfortunately your order cannot be processed as the originating bank/merchant has declined your transaction. Please attempt your purchase again.', 'woocommerce' ); ?></p>
<p class="woocommerce-notice woocommerce-notice--error woocommerce-thankyou-order-failed-actions">
<?php esc_html_e( 'Pay', 'woocommerce' ); ?>
<?php if ( is_user_logged_in() ) : ?>
<?php esc_html_e( 'My account', 'woocommerce' ); ?>
<?php endif; ?>
</p>
<?php else : ?>
<p class="woocommerce-notice woocommerce-notice--success woocommerce-thankyou-order-received"><?php echo apply_filters( 'woocommerce_thankyou_order_received_text', esc_html__( 'Thank you. Your order has been received.', 'woocommerce' ), $order ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></p>
<ul class="woocommerce-order-overview woocommerce-thankyou-order-details order_details">
<li class="woocommerce-order-overview__order order">
<?php esc_html_e( 'Order number:', 'woocommerce' ); ?>
<strong><?php echo $order->get_order_number(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></strong>
</li>
<li class="woocommerce-order-overview__date date">
<?php esc_html_e( 'Date:', 'woocommerce' ); ?>
<strong><?php echo wc_format_datetime( $order->get_date_created() ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></strong>
</li>
<?php if ( is_user_logged_in() && $order->get_user_id() === get_current_user_id() && $order->get_billing_email() ) : ?>
<li class="woocommerce-order-overview__email email">
<?php esc_html_e( 'Email:', 'woocommerce' ); ?>
<strong><?php echo $order->get_billing_email(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></strong>
</li>
<?php endif; ?>
<li class="woocommerce-order-overview__total total">
<?php esc_html_e( 'Total:', 'woocommerce' ); ?>
<strong><?php echo $order->get_formatted_order_total(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></strong>
</li>
<?php if ( $order->get_payment_method_title() ) : ?>
<li class="woocommerce-order-overview__payment-method method">
<?php esc_html_e( 'Payment method:', 'woocommerce' ); ?>
<strong><?php echo wp_kses_post( $order->get_payment_method_title() ); ?></strong>
</li>
<?php endif; ?>
</ul>
<?php endif; ?>
<?php do_action( 'woocommerce_thankyou_' . $order->get_payment_method(), $order->get_id() ); ?>
<?php do_action( 'woocommerce_thankyou', $order->get_id() ); ?>
<?php else : ?>
<p class="woocommerce-notice woocommerce-notice--success woocommerce-thankyou-order-received"><?php echo apply_filters( 'woocommerce_thankyou_order_received_text', esc_html__( 'Thank you. Your order has been received.', 'woocommerce' ), null ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?></p>
<?php endif; ?>
</div>
<?php }else{
echo 'Your custom message here.';
} ?>