<?php include 'db_connect.php'; include 'iconv_encodeing.php'; include 'user_name_converter.php'; $room_number = iconv_encodeing($_GET["room_number"]); $user_name = iconv_encodeing($_GET["user_name"]); $user_id = user_name_to_user_id($user_name); mysql_query("delete from participated_room where room_number = {$room_number} and participated_user_id = {$user_id}") or die("failed you can't go out"); echo "Succeed";
<?php include 'db_connect.php'; include 'iconv_encodeing.php'; include 'user_name_converter.php'; $room_number = iconv_encodeing($_GET["room_number"]); $friend_name = iconv_encodeing($_GET["friend_name"]); $friend_id = user_name_to_user_id($friend_name); mysql_query("insert into participated_room(room_number,participated_user_id) values ('{$room_number}','{$friend_id}')") or die("failed"); echo "Succeed";