How to Upgrade or Switch PHP CLI Version in Ubuntu

In this tutorial, we will Learn the step-by-step process for upgrading or switching your PHP CLI version in Ubuntu for optimal performance. Follow our guide for a seamless transition.

Here is an example of how to upgrade or switch PHP CLI version in Ubuntu:

1. Check Current PHP Version: Before you begin, check your current PHP version by running the following command in your terminal:

php -v

This will give you the information you need to know what version you are currently running.

2. Update Package Index: To ensure you have access to the latest PHP packages, run the following command to update your package index:

sudo apt-get update

3. Install Multiple PHP Versions: To install multiple PHP versions, you can use a tool like php-version. For example, to install PHP 8.2, you can run the following command:

sudo apt-get install php8.2

Repeat this step to install additional versions of PHP that you want to use.

4. Switch PHP Version: Once you have multiple PHP versions installed, you can switch between them using the following command:

sudo update-alternatives --config php

This will give you a list of installed PHP versions, and you can choose the version you want to use.

5. Verify PHP Version: Finally, verify that you have successfully switched to the desired PHP version by running the following command:

php -v

This will show you the version of PHP that is currently being used.

This example demonstrates how to upgrade or switch the PHP CLI version in Ubuntu using a common tool and the update-alternatives command. Depending on your specific needs, you may need to modify these steps to suit your specific environment.

#ubuntu #php