BASH Script to Upgrade PHP Version (From 7.0 to 7.1)

php_upgrade.bash

#!/usr/bin/env bash
# Assumes pacakages are from webtatic, might need to adjust for other repos
# @webtatic packages look like this:
# php71w-common.x86_64            7.1.7-1.w7               @webtatic

versionFrom=70

versionTo=71

yum list installed | grep php | grep $versionFrom > /tmp/php_installed
yum -y remove 'php*'
while read -r line;
do
    echo $line;
    package=$(echo $line | cut -d ' ' -f 1 | sed "s/$versionFrom/$versionTo/g");
    echo $package;
    yum -y install $package
done < /tmp/php_installed