当我尝试遍历该数组时
{foreach $features_names as $k=>$label}
{(isset($product['features'][$k])) ? $product['features'][$k]['value'] : '-'}
{/foreach}
它工作正常。
但是当我把它放到另一个循环中时,它什么都不打印。
{foreach $compared_products as $product}
{foreach $features_names as $k=>$label}
{(isset($product['features'][$k])) ? $product['features'][$k]['value'] : '-'}
{/foreach}
{/foreach}
为什么?