Switch between Multiple PHP Version on Ubuntu

switch_php_version.sh

##From PHP 5.6 => PHP 7.1

Default PHP 5.6 is set on your system and you need to switch to PHP 7.1. Run the following commands to switch for Apache and command line.

#Apache:-

$ sudo a2dismod php5.6
$ sudo a2enmod php7.1
$ sudo service apache2 restart

#Command Line:-

$ sudo update-alternatives --set php /usr/bin/php7.1
$ sudo update-alternatives --set phar /usr/bin/phar7.1
$ sudo update-alternatives --set phar.phar /usr/bin/phar.phar7.1

==================================

##From PHP 7.1 => PHP 5.6

Default PHP 7.1 is set on your system and you need to switch to PHP 5.6. Now run the following commands to switch for Apache and command line.

#Apache:-

$ sudo a2dismod php7.1
$ sudo a2enmod php5.6
$ sudo service apache2 restart

#Command Line:-

$ sudo update-alternatives --set php /usr/bin/php5.6
$ sudo update-alternatives --set phar /usr/bin/phar5.6
$ sudo update-alternatives --set phar.phar /usr/bin/phar.phar5.6