PHP Missing MySQL Extension Error: Causes and Solutions Explained

When building or accessing a WordPress website, you may encounter the error "Your PHP installation seems to be missing the MySQL extension required by WordPress". This error usually means that there is an issue with your website's code that prevents WordPress from connecting to its MySQL database. In this article, we will discuss the cause of this error in detail.

What is PHP Missing MySQL Extension Error?

PHP Missing MySQL Extension errors usually occurupdatemaybeInstalling WordPress,Migration of websites,Changing the Server Configurationmaybeswitch modes or data streamson operating systems (such as Linux) that do not have a MySQL extension. This means that PHP cannot find the MySQL extension and thus cannot connect to the database.

Causes of PHP Missing MySQL Extension Error

1. Outdated WordPress version and latest PHP version: If using PHP 7.0 or higher and you have an older version of WordPress, the MySQL extension has been deprecated, resulting in an error.
2. MySQL extensions are missing or incorrectly configured: Even if you are using PHP 5.6 or lower, this error will still occur if the MySQL extension is missing or misconfigured.

How to Fix PHP Missing MySQL Extension Error

1. Check the version of PHP you are using

First, check your version of PHP. conflicts between WordPress and PHP versions usually cause this error.

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1. From the WordPress dashboard go to "artifact " Site Health"Page.

2. Switch to "text"Tab.
3. Scroll down to "server (computer)" section to see the PHP version in the details.

If the PHP version is 7 or lower, it is recommended to update the PHP version to 8.0 maybelatest versionThe

2. Update WordPress to the latest version.

If the PHP version is up-to-date and the WordPress version is older, please consider updating WordPress to resolve this error.

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1. From the WordPress admin panel go to "instrument panels " update".

2. Check the current version information and click the Update buttonupdateto the latest version.

Updating WordPress resolves the incompatibility with the PHP version.

3. Ensure that the MySQL extension is installed

Check that the MySQL extension is installed correctly.

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1. From the WordPress dashboard go to "artifact " Site Health"Page.
2. Switch to "text"Tab.
3. Go to "comprehensive database"section, look for mysqli maybe mysql Expansion.

If the Extension field is empty or not visible, the MySQL extension is missing. Contact your hosting provider to install the extension.

4. Check the PHP configuration

Check your website's PHP settings to make sure you haven't uploaded the wrong php.ini file or used the wrong file path.

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1. In your browser, type www.example.com/phpinfo.phpEnsure that you will www.example.com Replace it with your domain name.
2. To view the details of your PHP installation, look for the "Profile Path" or "Loaded Profiles" fields.

3. Connect to the FTP client, go to the file path, delete the php.ini file (download a backup first) and see if the error is fixed.

summarize

PHP Missing MySQL Extension errors are usually caused by incompatible versions of WordPress and PHP or missing MySQL extensions. This can be fixed by checking the PHP version, updating WordPress, making sure the MySQL extension is installed, and checking the PHP configuration.