Update: Install Multiple PHP Versions on Ubuntu 16.04

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In this article, we will be discussing how to install Multiple PHP Versions on Ubuntu 16.04. Ubuntu 16.04 LTS servers assign the PHP 7.0 version by default. Although PHP 5.6 is currently EOL (end of life) as of December of 2018, some applications may not be compatible with PHP 7.0. For this tutorial, we instruct on how to switch between PHP 7.0 and PHP 5.6 for Apache and the overall default PHP version for Ubuntu.

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How To Set Up Multiple PHP Versions in Webmin

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What is Webmin?

Webmin is a browser-based graphical interface to help you administrate your Linux server.  Much like cPanel or Plesk, Webmin allows you to set up and manage accounts, Apache, DNS zones, users and configurations.  As these configurations can get somewhat complicated Webmin works to simplify this process. The result is fewer issues during server and domain setup.  Which results in a stable server and a pleasant administration experience. Unlike Plesk or cPanel, Webmin is completely free and open to the public. Unfortunately, here at Liquid Web, we do not offer managed support for Webmin, but we are always willing to assist as much as possible when issues arise.   You can download Webmin from their site. Also, you can find some excellent documentation on this interface.

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Updating PHP 5.6 to 7

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PHP is a programming language that can run with Apache or Microsoft IIS and works with your server to execute the requests that make up your website. 88% of online sites run on, soon to be vulnerable PHP 5.X technology. At the close of this year, scheduled by Dec 31, 2018 security support will end for our dear old friend PHP 5.6, meaning bugs and security fixes will not be tended to and could lead to security vulnerabilities. 
Each PHP version gets supported actively for two years while the third year only gets critical security updates. Luckily, the PHP gods had smiled upon us and extended the life for just a year longer than the typical PHP version before giving us the new year deadline. For all of you developers out there wanting to know exactly what is changing, here’s a helpful migration guide from PHP 5.6 to PHP 7.X.

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