product options

shopproduct_extra_options1.php

<?
  if ($product->extra_options->count):
?>
  <div class="extra_options">
    <table class="product_attributes">
      <? foreach ($product->extra_options as $option): 
        $control_name = 'product_extra_options['.$option->option_key.']';
        $posted_options = post('product_extra_options', array());
        $is_checked = isset($posted_options[$option->option_key]);
        $options_string = PSInventory_Data::create_option_string(post('options'), $product->id);
        $data = PSInventory_Data::create()->where('product_id=? AND options_string=?', $product->id, $options_string)->find();
	$extended_sku = $data->extended_sku;
      
      ?>
      <tr>
        <td><input name="<?= $control_name ?>" <?= checkbox_state($is_checked) ?> id="extra_option_<?= $option->id ?>" value="1" type="checkbox"/></td>
        <th>
          <label for="extra_option_<?= $option->id ?>"><?= h($option->description) ?>:</label>
          <? if ($option->price > 0): ?>
          <span class="price">+ <?= format_currency($option->get_price($product)) ?></span>
          <? else: ?>
          <span class="price">free</span>
          <? endif ?>
        </th>
      </tr>      
      <? endforeach ?>
    </table>
  </div>
<? endif ?>

<?php echo $extended_sku ?>

shopproduct_extra_options2.php

<?
  if ($product->extra_options->count):
?>
  <div class="extra_options">
    <table class="product_attributes">
      <? foreach ($product->extra_options as $option): 
        $control_name = 'product_extra_options['.$option->option_key.']';
        $posted_options = post('product_extra_options', array());
        $is_checked = isset($posted_options[$option->option_key]);      
      ?>
      <tr>
        <td><input name="<?= $control_name ?>" <?= checkbox_state($is_checked) ?> id="extra_option_<?= $option->id ?>" value="1" type="checkbox"/></td>
        <th>
          <label for="extra_option_<?= $option->id ?>"><?= h($option->description) ?>:</label>
          <? if ($option->price > 0): ?>
          <span class="price">+ <?= format_currency($option->get_price($product)) ?></span>
          <? else: ?>
          <span class="price">free</span>
          <? endif ?>
        </th>
      </tr>      
      <? endforeach ?>
    </table>
  </div>
<? endif ?>

<? $options_string = PSInventory_Data::create_option_string(post('options'), $product->id);
   $data = PSInventory_Data::create()->where('product_id=? AND options_string=?', $product->id, $options_string)->find();
   $extended_sku = $data->extended_sku;
?>

<?php echo $extended_sku ?>