Woocommerce ACF to Variations

acf-variations.php

<?php

class woocommerce_acf_variations {

  /**/
  static function setup() {
    /* Add this form to variations */
    add_action( 'admin_head','acf_form_head', 20 );
    add_action( 'woocommerce_product_after_variable_attributes', 'woocommerce_acf_variations::variation_field_group', 99, 3 );
    add_action( 'woocommerce_product_thumbnails', 'woocommerce_acf_variations::display_thumbs', 99, 3 );
  }

  /* @todo – Javascript to pull in the variation images when variation is selected */
  static function display_thumbs() {
    $prodcut = get_product();
    $variations = $prodcut->get_available_variations();
    foreach ( $variations as $variation ) {
      $id = $variation['variation_id'];
      $gallery = get_field( 'variation_gallery', $id );
      if ( ! $gallery ) {
        continue;
      }
      // Print out the variation gallery separated
      echo '<div id="gallery-variation-' . $id . '" class="gallery-variation">';
      foreach ( $gallery as $image ) {
        echo wp_get_attachment_image( $image['id'] );
      }
      echo '</div>';
    }
  }

  static function variation_field_group( $loop, $variation_data, $variation ) {
    add_action( 'admin_head','acf_form_head', 20 );
    $variation_id = $variation->ID; ?>
    <tr>
      <td colspan="2">
        <?php /* Attach the ACF Form to the variation */
        acf_form(
          [
            'id'                    => 'acf_variaton_form',
            'post_id'               => $variation_id,
            'form'                  => true, // Show the form on the variation
            'label_placement'       => 'top',
            'instruction_placement' => 'label',
            'field_groups'          => [ 336 ], // This is the ID of the ACF Group
            'return'                => add_query_arg(
              [
                'post_id' => $variation->post_parent,
                'updated' => 'true',
              ],
              get_edit_post_link( $variation->post_parent, '' ) // Output the edit link
            ),
          ]
        ); ?>
      </td>
    </tr>
  <?php
  }
}

Hi there,

First of all tks for sharing this code, it really worked for me. But this is not saving the values. Could you help me with this ? Tks again