Your php installation appears to be missing the mysql extension which is required by wordpress:The error message you received indicates that your PHP installation is missing the MySQL extension, which is required by WordPress to interact with your database.
To resolve this issue, you will need to install the MySQL extension for PHP. Here are the steps to do this on a cPanel server using WHM
Log in to your WHM account.
Search for "EasyApache 4" in the search bar and click on it.
In the EasyApache 4 interface, click on the "Customize" button.
Select the PHP version that you want to install the MySQL extension for.
In the next screen, find the section for "MySQLi" and check the box next to it.
Click the "Review" button and then the "Provision" button to apply the changes.
Once the installation process is complete, restart your web server to ensure that the changes take effect. After that, you should be able to access your WordPress site without encountering the error message again.
Why this errors happens
This error occurs because the PHP installation on your server is missing the MySQL extension, which is necessary for WordPress to communicate with your MySQL database.
WordPress uses PHP to query the database and retrieve data, so without the MySQL extension, it will not be able to access the data it needs to display your website.
This error may occur for several reasons, including
The PHP installation was done incorrectly or incompletely
The MySQL extension was accidentally removed from the PHP installation
The server was upgraded or reconfigured, and the MySQL extension was not re-installed
The PHP configuration file is not correctly set up to include the MySQL extension
In any case, installing the MySQL extension for PHP should resolve the issue and allow WordPress to communicate with the database properly.
Alternative method
If you are unable to install the MySQL extension for PHP, there are a few alternative methods that you can use to resolve this issue:
Use a different database management system: WordPress can also work with other database management systems, such as PostgreSQL or MariaDB. If you are able to install one of these systems, you can configure WordPress to use it instead of MySQL.
Use a different hosting provider: Some hosting providers offer pre-configured environments that include the necessary extensions for running WordPress. If you switch to a different provider, you may find that the necessary extensions are already installed, and the error will be resolved.
Manually install the MySQL extension: If you have access to the command line on your server, you can try manually installing the MySQL extension for PHP. This process can be complicated and requires a good understanding of server administration, but there are many tutorials and guides available online that can help you get started.
Use a local development environment: You can also run WordPress on your own computer, using a local development environment such as XAMPP or WAMP.
These environments include all the necessary components for running WordPress, including the MySQL extension for PHP, so you won't have to worry about missing extensions or configuration issues.
MySQL extension
The MySQL extension for PHP is a library that allows PHP to communicate with a MySQL database. It provides a set of functions that can be used to perform various operations on the database, such as connecting to the database, querying data, inserting data, updating data, and deleting data.
Without the MySQL extension, PHP would not be able to interact with a MySQL database, and web applications like WordPress that rely on a database to store and retrieve data would not be able to function.
Installing the MySQL extension is typically a simple process and is usually done as part of the installation of the PHP programming language on the server. If the extension is missing, you can install it using the package manager on your server, or by manually compiling the extension and adding it to your PHP installation.
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