phpsw - Php5 Php7 switcher

#!/bin/bash
#
# @see http://askubuntu.com/questions/761713/how-can-i-downgrade-from-php-7-to-php-5-6-on-ubuntu-16-04
#
# Installation: Download this file and move it to the /usr/local/bin directory
#

if [ ! -x "$(find /usr/bin -maxdepth 1 -name 'php5*' -print -quit)" ]; then
    echo "PHP 5 not exist!"
    exit 1
fi

if [ ! -x "$(find /usr/bin -maxdepth 1 -name 'php7*' -print -quit)" ]; then
    echo "PHP 7 not exist!"
    exit 1
fi

case "$1" in
        5)
            echo 5
	    # For php in web apps
	    sudo a2dismod php7.0 && sudo a2enmod php5.6 && sudo service apache2 restart
	    # For php-cli in the command line
	    sudo ln -sfn /usr/bin/php5.6 /etc/alternatives/php
	    php -v
            ;;
        7)
            echo 7
	    # For php in web apps
	    sudo a2dismod php5.6 && sudo a2enmod php7.0 && sudo service apache2 restart
	    # For php-cli in the command line
	    sudo ln -sfn /usr/bin/php7.0 /etc/alternatives/php
	    php -v
            ;;
        *)
            echo $"Usage: phpsw {5|7}"
            exit 1
esac