<?php if ($option['type'] == 'radio') { ?>
<div class="radioblock form-group<?php echo ($option['required'] ? ' required' : ''); ?>">
<label class="radioblockh3"><?php echo $option['name']; ?></label>
<div id="input-option<?php echo $option['product_option_id']; ?>" >
<?php foreach ($option['product_option_value'] as $option_value) { ?>
<div class="mainradio">
<label class="radiocontainer">
<input type="radio" name="option[<?php echo $option['product_option_id']; ?>]" value="<?php echo $option_value['product_option_value_id']; ?>" />
<?php if ($option_value['image']) { ?>
<img src="<?php echo $option_value['image']; ?>" alt="<?php echo $option_value['name'] . ($option_value['price'] ? ' ' . $option_value['price_prefix'] . $option_value['price'] : ''); ?>" class="img-thumbnail" />
<?php } ?>
<?php echo $option_value['name']; ?>
<span class="checkmark2"></span>
</label>
</div>
<?php } ?>
</div>
</div>
<?php } ?>
Ваш код работает
ниже цикла вставил
все гуд