pdo sqlite could not find driver... php file not processing

Question

Hi i'm received the could not find driver error when trying to connect to sqlite via a php file. I've set permission to 777... PHP Version 5.2.16, i have the module install. any reason why its not finding the driver, also php.ini is showing the extension pdo.so and pdo_mysql.so installed.

PDO

PDO support enabled PDO drivers mysql

pdo_mysql

PDO Driver for MySQL, client library version 5.0.92

try {
    // Connect to the SQLite Database.
    $db = new PDO('sqlite:.subscribers.db');
} catch(Exception $e) {
    die('connection_unsuccessful: ' . $e->getMessage());
}

Answer 1

I had to actually install the extension, and this is how i did on Ubuntu 16 running PHP 7.1:

sudo apt install php7.1-sqlite3