הוספת סימון אריזת מתנה ואזור להוראות בצ'קאאוט של ווקומרס

<?php 
/* --- GIFT WRAP FIELDS CHECKOUT AND ADMIN --- */

/**
* Add the fields to the checkout
*/

add_action( 'woocommerce_after_checkout_billing_form', 'my_custom_checkout_field' );

function my_custom_checkout_field( $checkout ) {
   echo '<div class="my_gift_wrap_checkout_field"><h2>' . __('Gift wrap', 'woocommerce') .'</h2>';
   
   woocommerce_form_field( 'my_gift_wrap_checkbox', array(
'type'          => 'checkbox',
'class'         => array('checkbox_field'),
'label'         => __('Free gift wrapping? - Yes please!', 'woocommerce'),
'required'  => false,
), $checkout->get_value( 'my_gift_wrap_checkbox' ));

woocommerce_form_field( 'my_gift_wrap_field', array(

'type' => 'textarea',
   'label'      => __('Gift wrap instructions', 'woocommerce'),
   'placeholder'   => _x('Please enter any gift wrapping instructions. For example if you have multiple items in your order but only want 1 wrapped, or a special message to include.', 'placeholder', 'woocommerce'),
   'required'   => false,
   'class'      => array('form-row-wide'),
   'clear'     => true,
       ), $checkout->get_value( 'my_gift_wrap_field' ));

   echo '</div>';
}

/**
* Update the order meta with fields values
*/

add_action('woocommerce_checkout_update_order_meta', 'my_custom_checkout_field_update_order_meta' );

function my_custom_checkout_field_update_order_meta( $order_id ) {

      if ( ! empty( $_POST['my_gift_wrap_checkbox'] ) ) {
       update_post_meta( $order_id, 'my_gift_wrap_checkbox', $_POST['my_gift_wrap_checkbox'] );
   }
      if ( ! empty( $_POST['my_gift_wrap_field'] ) ) {
       update_post_meta( $order_id, 'my_gift_wrap_field', $_POST['my_gift_wrap_field'] );
   }
}

/**
* Display fields on the order edit page
*/

add_action('woocommerce_admin_order_data_after_billing_address', 'my_custom_checkout_field_display_admin_order_meta', 10, 1 );

function my_custom_checkout_field_display_admin_order_meta($order){

  if (get_post_meta( $order->id, 'my_gift_wrap_checkbox', true ) == 1){
	  echo '<p><strong>'.__('Gift wrap', 'woocommerce').': </strong> ' . __('Yes please!', 'woocommerce'). '</p>';
  } else {
	  echo '<p><strong>'.__('Gift wrap', 'woocommerce').': </strong> ' . __('No thank you', 'woocommerce'). '</p>';
  }
  echo '<p><strong>'.__('Gift wrap instructions', 'woocommerce').': </strong> ' . get_post_meta( $order->id, 'my_gift_wrap_field', true ) . '</p>';
}

/**
 * Add the fields to order emails and thank you page.
 **/
add_action( "woocommerce_email_after_order_table", "my_woocommerce_email_after_order_table", 10, 1);

/* add same function to run on after orders table for thank you page */
add_action( 'woocommerce_order_details_after_order_table', "my_woocommerce_email_after_order_table", 10, 1 );

function my_woocommerce_email_after_order_table( $order ) {
    $my_gift_wrap_checkbox = get_post_meta( $order->id, "my_gift_wrap_checkbox", true );
    $gift_wrap = $my_gift_wrap_checkbox ? __('Yes please!', 'woocommerce') : __('No thank you.', 'woocommerce');

    echo '<p><strong>Gift wrap?: </strong>' . $gift_wrap . '</p>';

    if ( $my_gift_wrap_checkbox ) {
        echo '<p><strong>Gift wrap instructions: </strong>' . get_post_meta( $order->id, "my_gift_wrap_field", true ) . '</p>';
    }

}
?>