更新时间:2022-03-30 07:46:17
isset($description)
将返回true,因为$ description仍被设置,即使其值为'empty'.您需要使用的是空.
isset($description)
will result true because $description is still set, even though its value is 'empty'. What you need to use is empty.
if (empty($description)) {
echo "No description available";
} else {
echo $description;
}