Could not find drivers?

When connecting to the database normally it gets connected and when trying with the same code with locally running the server from php -S localhost:8000 -t public my public dir have index.php where i have written the same code . Noramlly running with the xampp server it executed and i have the php 8.3.20 in my c/programs files/php and chnaged the php-development copied and make it php.ini and edited the ;extension=mysql removed ; . I get the following error..

Fatal error: Uncaught PDOException: could not find driver in C:\Users\salun\OneDrive\Desktop\voting-2025\voting