Why Am I Getting a PDOException 'could not find driver' in PHP and How Do I Fix It?

PDOException "could not find driver" in PHP

A developer has encountered an error while attempting to establish a database connection using PHP's PDO. The specific error message indicates that the required MySQL driver could not be found.

Possible Cause:

The error is caused by the absence of the pdo_mysql module, which is necessary for PHP to communicate with MySQL databases.

Resolution:

To resolve the issue, you need to install the missing pdo_mysql module. Here's how:

1. Check if the module is already installed by searching for the following line in your phpinfo() output:

pdo_mysql

PDO Driver for MySQL, client library version => 5.1.44

2. If the module is not installed, you can install it using the following command:

sudo apt-get install php-mysql

3. Restart the web server for the changes to take effect:

sudo service apache2 restart

Once the pdo_mysql module is installed and the web server is restarted, the PDOException "could not find driver" error should be resolved.

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