linux php version manager code example

Example 1: change php version ubuntu

$ sudo update-alternatives --config php
 or
$ sudo a2enmod php7.1(version)

Example 2: php version command linux

# php -v
PHP 5.4.16 (cli) (built: Mar  7 2018 13:34:47) 
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies

Example 3: php version command linux

# php --version
PHP 5.4.16 (cli) (built: Mar  7 2018 13:34:47) 
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies