phpswitcher

# > /dev/null is disable the outputs of the commands

if [ $# -eq 0 ]; then
	echo "Provide the PHP version to enable"
	exit 0
fi

for php in 5.6 7.1 7.2 7.3
do
	if [ $php == $1 ]
	then
		echo "Enabling PHP v$php"
		sudo a2enmod php${php} > /dev/null
	fi
	if [ $1 != $php ]
	then
		echo "Disabling PHP v$php"
		sudo a2dismod php${php} > /dev/null
	fi
done
echo "Restarting Apache Server.."
sudo service apache2 restart
echo "Done.. My Friend.."

If you have multiple PHP versions installed in your linux system.

And you need to enable a certain version and disable others.

Eg.

phpswitcher 7.1

would enable 7.1 and disable all others and also restart apache web server