标签： php
我的服务器出现错误。 Notice: Undefined index: harga in /storage/ssd3/099/12062099/public_html/prs_input.php on line 19
Notice: Undefined index: harga in /storage/ssd3/099/12062099/public_html/prs_input.php on line 19
我的代码是$_SESSION['harga']=$_SESSION['harga'] + $total; 有谁可以帮助我吗？
$_SESSION['harga']=$_SESSION['harga'] + $total;