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 list | grep php$currentversion | xargs brew unlink 2> /dev/null > /dev/null

  echo "Linking new binaries..."
  brew list | grep php$newversion | xargs brew link


  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