Warning: Undefined array key "userid" in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 2

Warning: Undefined array key "password" in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 3

Warning: Undefined array key "username" in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 4

Warning: Undefined array key "birthyear" in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 5

Warning: Undefined array key "email" in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 6

Warning: Undefined array key "phone" in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 7
INSERT INTO `book_members` (`userid`, `password`, `username`, `email`, `phone`) VALUES ('', md5(``), ``, ``, ``);
Warning: Undefined variable $ssql in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 16

Fatal error: Uncaught ValueError: mysqli_query(): Argument #2 ($query) cannot be empty in /users/2020/i2019068/public_html/2022/WebDB/join.php:16 Stack trace: #0 /users/2020/i2019068/public_html/2022/WebDB/join.php(16): mysqli_query() #1 {main} thrown in /users/2020/i2019068/public_html/2022/WebDB/join.php on line 16