How to Fix the 'PDOException: could not find driver' Error in PHP?

Troubleshooting "PDOException "could not find driver"" in PHP

When encountering the "PDOException could not find driver" error while using PHP with a MySQL database, it's essential to investigate the underlying issue. One common cause of this error is the absence of the PHP extension "pdo_mysql".

To verify if the "pdo_mysql" extension is installed and enabled, check the server's PHP configuration by running phpinfo(). Locate the "PDO Driver for MySQL" entry in the output. If it's not present, or the client library version is outdated, you need to install or update the extension.

On Debian-based systems, install the "php-mysql" package using a command like:

sudo apt-get install php-mysql

After installation, restart the web server to load the new PHP configuration. You should now be able to establish a PDO connection to the MySQL database successfully.

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