Warning: Undefined array key "userid" in /users/2018/i1858056/public_html/2022/WebDB/join.php on line 5
Warning: Undefined array key "password" in /users/2018/i1858056/public_html/2022/WebDB/join.php on line 6
Warning: Undefined array key "username" in /users/2018/i1858056/public_html/2022/WebDB/join.php on line 7
Warning: Undefined array key "email" in /users/2018/i1858056/public_html/2022/WebDB/join.php on line 8
Warning: Undefined array key "phone" in /users/2018/i1858056/public_html/2022/WebDB/join.php on line 9
INSERT INTO `book_members` (`userid`,`password`,`username`,`email`,`phone`) VALUE ('',md5(''),'','','');
Fatal error: Uncaught mysqli_sql_exception: Duplicate entry '' for key 'userid' in /users/2018/i1858056/public_html/2022/WebDB/join.php:21
Stack trace:
#0 /users/2018/i1858056/public_html/2022/WebDB/join.php(21): mysqli->query()
#1 {main}
thrown in /users/2018/i1858056/public_html/2022/WebDB/join.php on line 21