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ACF PRO in product variations and Elementor PRO

  • I managed to add custom fields to product variations with the piece of code bellow.

    //  ACF VARIATIONS
    
    add_filter('acf/location/rule_values/post_type', 'acf_location_rule_values_Post');
    function acf_location_rule_values_Post( $choices ) {
    	$choices['product_variation'] = 'Product Variation';
        return $choices;
    }
    
    add_action( 'woocommerce_product_after_variable_attributes', function( $loop, $variation_data, $variation ) {
        global $abcdefgh_i; 
        $abcdefgh_i = $loop;
        add_filter( 'acf/prepare_field', 'acf_prepare_field_update_field_name' );
        
        $acf_field_groups = acf_get_field_groups();
        foreach( $acf_field_groups as $acf_field_group ) {
            foreach( $acf_field_group['location'] as $group_locations ) {
                foreach( $group_locations as $rule ) {
                    if( $rule['param'] == 'post_type' && $rule['operator'] == '==' && $rule['value'] == 'product_variation' ) {
                        acf_render_fields( $variation->ID, acf_get_fields( $acf_field_group ) );
                        break 2;
                    }
                }
            }
        }
        
        remove_filter( 'acf/prepare_field', 'acf_prepare_field_update_field_name' );
    }, 10, 3 );
    
    function  acf_prepare_field_update_field_name( $field ) {
        global $abcdefgh_i;
        $field['name'] = preg_replace( '/^acf\[/', "acf[$abcdefgh_i][", $field['name'] );
        return $field;
    }
    
    add_action('woocommerce_save_product_variation', function ($variation_id, $i = -1) {
      if (!empty($_POST['acf']) && is_array($_POST['acf']) && array_key_exists($i, $_POST['acf']) && is_array(($fields = $_POST['acf'][$i]))) {
        $unique_updates = array();
        foreach ($fields as $key => $val) {
          if (is_array($val)) {
            // repeater fields need to be parsed separately
            foreach ($val as $repeater_key => $repeater_val) {
              if (!array_key_exists($repeater_key, $unique_updates) || !empty($repeater_val)) {
                $unique_updates[$repeater_key] = $repeater_val;
              }
            }
          } else {
            // non-repeater fields can be parsed normally
            // The repeater fields are repeated here, but empty. This causes the repeater that was updated above to be cleared
            if (!array_key_exists($key, $unique_updates) || !empty($val)) {
              $unique_updates[$key] = $val;
            }
          }
        }
        // Only update each field once
        foreach ($unique_updates as $key => $val) {
          update_field($key, $val, $variation_id);
        }
      }
    }, 10, 2);
    
    add_filter( 'acf/prepare_field', function ( $field ) {
    	if ( !$GLOBALS['wc_loop_variation_id'] ) {
    		return $field;
    	}
    
    	$field['name'] = preg_replace( '/^acf\[/', 'acf_variation[' . $GLOBALS['wc_loop_variation_id'] . '][', $field['name'] );
    
    	return $field;
    }, 10, 1);
    
    function xxx_admin_head_post() {
    	global $post_type;
    	if ($post_type === 'product') {
    		wp_register_script( 'xxx-acf-variation', get_template_directory_uri() . 'https://afw.backyard.rs/wp-content/themes/woodmart-child/js/acf-variation.js', array(
    			'jquery-core',
    			'jquery-ui-core'
    		), '1.1.0',
    			true ); // Custom scripts
    		
    		wp_enqueue_script( 'xxx-acf-variation' ); // Enqueue it!
    
    	}
    }
    
    /* actions fired when adding/editing posts or pages */
    /* admin_head-(hookname) */
    add_action( 'admin_head-post.php', 'xxx_admin_head_post' );
    add_action( 'admin_head-post-new.php',  'xxx_admin_head_post' );

    Now I’m trying to display those custom fields on my website.

    So, each variation has different custom fields.

    The idea is that when the user selects their variations (color, size …) these custom fields are displayed as a product description.

    But it doesn’t work for me, those custom variation fields aren’t shown.

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