Warning: Use of undefined constant user_id - assumed 'user_id' (this will throw an Error in a future version of PHP) in /home/ushisan/www/kao2/pc/login.php on line 7

Warning: Use of undefined constant user_id - assumed 'user_id' (this will throw an Error in a future version of PHP) in /home/ushisan/www/kao2/pc/login.php on line 10

Warning: Use of undefined constant user_id - assumed 'user_id' (this will throw an Error in a future version of PHP) in /home/ushisan/www/kao2/pc/login.php on line 57

Fatal error: Uncaught Error: Call to undefined function mysql_query() in /home/ushisan/www/kao2/pc/login.php:72 Stack trace: #0 {main} thrown in /home/ushisan/www/kao2/pc/login.php on line 72