A very simple phone book script. But implemented with a very modern and up-to-date technology: SQLite, the SQL database without server.
Fatal error: Uncaught Error: Class 'SQLite3' not found in D:\xampp\htdocs\xampp\phonebook.php:35
Stack trace:
#0 {main}
thrown in D:\xampp\htdocs\xampp\phonebook.php on line 35