My shell script for switching to / from PHP7 on Windows with a key press

#!/bin/bash
readonly apacheBinFolder='/cygdrive/c/server/apache/bin'
readonly apacheConfFile='/cygdrive/c/server/apache/conf/sites/_common.conf'
readonly apacheServiceName='Apache2.4'
readonly phpParentFolder='/cygdrive/c/server'
readonly system32Folder='/cygdrive/c/Windows/System32'
skip1=0
skip2=0
skip3=0
skip4=0
skip5=0
skip6=0
#printf "rebuilding: $apacheServiceName... "
net stop $apacheServiceName
readonly load5='LoadModule php5_module'
readonly load7='LoadModule php7_module'
if grep -R "#${load5}" $apacheConfFile > /dev/null
then
	readonly php7=1
else
    readonly php7=0
fi
printf "Changing LoadModule directives..."
if [ $skip1 -eq 1 ]; then
	printf '\nskipped'
else
	if [ $php7 -eq 1 ]
	then
		sed -i "s/#${load5}/${load5}/" $apacheConfFile
		sed -i "s/${load7}/#${load7}/" $apacheConfFile
	else
		sed -i "s/${load5}/#${load5}/" $apacheConfFile
		sed -i "s/#${load7}/${load7}/" $apacheConfFile
	fi
	printf '\ndone'
fi
printf "\nCopying files to the Apache bin folder..."
if [ $skip2 -eq 1 ]; then
	printf '\nskipped'
else
	#printf '\n'
	if [ $php7 -eq 1 ]
	then
		folder='php-5.6'
	else
		folder='php-7'
	fi
	cd $apacheBinFolder
	cp -r $folder/* .
fi
printf "\nCopying files to the System32 folder..."
if [ $skip3 -eq 1 ]; then
	printf '\nskipped'
else
	#printf '\n'
	if [ $php7 -eq 1 ]
	then
		folder='_php-5.6'
	else
		folder='_php-7'
	fi
	cd $system32Folder
	cp -r $folder/* .
fi
printf "\nRenaming PHP folders..."
if [ $skip4 -eq 1 ]; then
	printf '\nskipped'
else
	printf '\n'
	cd $phpParentFolder
	if [ $php7 -eq 1 ]
	then
		mv php php-7
		mv php-5 php
	else
		mv php php-5
		mv php-7 php
	fi
fi
net start $apacheServiceName
if [ $php7 -eq 1 ]
then
	printf 'PHP 5.6 enabled'
else
    printf 'PHP 7 enabled'
fi