Install PHP 5.6 Step 1: Update Apt-Get As always, we update and upgrade our package manager before beginning installation. If you are currently running PHP 7.X, after updating apt-get, continue to step 2 to downgrade to PHP 5.6. apt-get update && apt-get upgrade Step 2: Install PHP 5.6 Install the PHP5.6 repository with these two commands. apt-get install -y software-properties-common add-apt-repository ppa:ondrej/php apt-get update apt-get install -y php5.6 PHP Version for Apache Step 3: Switch PHP 7.0 to PHP 5.6 Switch from PHP 7.0 to PHP 5.6 while restarting Apache to recognize the change: a2dismod php7.0 ; a2enmod php5.6 ; service apache2 restart Note Optionally you can switch back to PHP 7.0 with the following command: a2dismod php5.6 ; a2enmod php7.0 ; service apache2 restart Now, let’s verify that PHP 5.6 is running on Apache by creating a PHP info page. To do so, insert the code below into a file named phpinfo.php and upload it to the /var/www/h...