Warning: Undefined array key "id" in /home2/enidblyt/public_html/book-details.php on line 5

Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 in /home2/enidblyt/public_html/book-details.php:8 Stack trace: #0 /home2/enidblyt/public_html/book-details.php(8): mysqli->query('select * from b...') #1 {main} thrown in /home2/enidblyt/public_html/book-details.php on line 8