Em thật chẳng hiểu đây là lỗi gì

[dungtienvu0]

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant read_ip - assumed 'read_ip' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 35

Notice: Use of undefined constant submit - assumed 'submit' in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 43

Notice: Undefined index: submit in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 43

Notice: Undefined index: code in C:\xampp\htdocs\Server\admin_cfg\checkip.php on line 47
Code:



và cách xử lí thế nào đây??????????????????????????



Giúp em với

[hadimx1]

Cài thử xampp 1.71 xem nếu ko đc bỏ ; ở Trong php đó

[dungtienvu0]

Cài thử xampp 1.71 xem nếu ko đc bỏ ; ở Trong php đó

ok đã đc roi cảm ơn anh. tiếp tục chiến thôi.............