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Fixing PHP MySQL Extension Issue


July 02, 2023

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Fixing PHP MySQL Extension Issue

If you encounter the error message "Your PHP installation appears to be missing the MySQL extension which is required by WordPress," it means that the PHP installation on your server does not have the MySQL extension enabled. WordPress relies on the MySQL extension to communicate with the MySQL database.

Steps to Resolve the Issue:

  1. Verify PHP installation: Ensure that PHP is installed on your server. You can check this by running a PHP file with the following code:
    <?php phpinfo(); ?>

Save the file with a .php extension (e.g., info.php) and access it through a web browser (e.g., http://yourdomain.com/info.php). Look for the PHP version and other details to confirm that PHP is installed correctly.

  1. Install MySQL extension: Depending on your server configuration, you might need to install the MySQL extension manually. Use the appropriate package manager for your operating system to install the extension. For example, on Ubuntu, you can run the following command:
    sudo apt-get install php-mysql
  1. Restart web server: After installing the MySQL extension, restart your web server to apply the changes. For Apache, you can use the following command:
    sudo service apache2 restart
  1. Verify MySQL extension: Create a new PHP file or edit the existing one where you encountered the error and add the following code:
    <?php if (function_exists('mysqli_connect')) { echo '<p class="success">MySQL extension is enabled.</p>'; } else { echo '<p class="error">MySQL extension is not enabled.</p>'; } ?>

Save the file and access it through a web browser. If you see the message "MySQL extension is enabled," then the issue should be resolved.

Note: In some cases, you might need to update your PHP configuration file (php.ini) to enable the MySQL extension. Look for the line ;extension=mysqli (or ;extension=mysql) and remove the semicolon at the beginning to uncomment the line. Then, restart your web server.

Remember to remove the info.php file or any other diagnostic files after resolving the issue to avoid security risks.

Comments & Replies:

July 05,2023

thank you soo much, its helpful.