PHP switcher

sphp.sh

#!/bin/bash

# Check if command was ran as root.
if [[ $(id -u) -eq 0 ]]; then
    echo "The command \"sphp\" should not be executed as root or via sudo directly."
    echo "When a service requires root access, you will be prompted for a password as needed."
    exit 1
fi

# Usage
if [ $# -ne 1 ]; then
	echo "Usage: sphp [phpversion]"
	echo "Versions installed:"
	brew list | grep '^php[0-9]\{2,\}$' | grep -o -E '[0-9]+' | while read -r line ; do
    	echo " - phpversion: $line"
	    # your code goes here
	done
	exit 1
fi

currentversion="`php -r \"error_reporting(0); echo str_replace('.', '', substr(phpversion(), 0, 3));\"`"
newversion="$1"

majorOld=${currentversion:0:1}
majorNew=${newversion:0:1}
minorNew=${newversion:1:1}

brew list php$newversion 2> /dev/null > /dev/null

if [ $? -eq 0 ]; then
	echo "PHP version $newversion found"

	# Check if new version is already the current version.
	if [ "${newversion}" == "${currentversion}" ]; then
	    echo -n "PHP version ${newversion} is already being used. Continue by reloading? (y/n) "
	    while true; do
	        read -n 1 yn
	        case $yn in
	            [Yy]* ) echo && break;;
	            [Nn]* ) echo && exit 1;;
	        esac
	    done
	fi

	echo "Unlinking old binaries..."
	brew unlink php$currentversion 2> /dev/null > /dev/null

	echo "Linking new binaries..."
	brew link php$newversion

	echo "Linking new modphp addon..."
	sudo ln -sf `brew list php$newversion | grep libphp` /usr/local/lib/libphp${majorNew}.so

	echo "Fixing LoadModule..."
	apacheConf=`httpd -V | grep -i server_config_file | cut -d '"' -f 2`
	sudo sed -i -e "/LoadModule php${majorOld}_module/s/^#*/#/" $apacheConf
	sudo sed -i -e "/LoadModule php${majorNew}_module/s/^#//" $apacheConf

	echo "Updating version file..."

	pgrep -f /usr/sbin/httpd 2> /dev/null > /dev/null
	if [ $? -eq 0 ]; then
		echo "Restarting system Apache..."
		sudo pkill -9 -f /usr/sbin/httpd
		sudo /usr/sbin/apachectl -k restart > /dev/null 2>&1
	fi
	pgrep -f /usr/local/Cellar/*/httpd 2> /dev/null > /dev/null
	if [ $? -eq 0 ]; then
		echo "Restarting homebrew Apache..."
		sudo pkill -9 -f /usr/local/Cellar/*/httpd
		sudo /usr/local/bin/apachectl -k restart > /dev/null 2>&1
	fi
	pgrep -x httpd 2> /dev/null > /dev/null
	if [ $? -eq 0 ]; then
		echo "Restarting non-root homebrew Apache..."
		httpd -k restart > /dev/null 2>&1
	fi

	echo "Done."

	# Show PHP CLI version for verification.
	echo && php -v
else
	echo "PHP version $majorNew.$minorNew was not found."
	echo "Try \`brew install php${newversion}\` first."
	exit 1
fi