PHP switcher for homebrew/core

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 [ $# -ne 1 ]; then
    echo "Usage: sphp [phpversion]"
    echo "Versions installed:"
    brew list | grep '^php@[0-9].[0-9]$' | grep -o -E '[0-9].[0-9]' | while read -r line ; do
        echo " - phpversion: $line"
    done
    brew list | grep '^php$' | while read -r line ; do
        echo " - phpversion: latest"
    done
    exit 1
fi

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

# Add dot if not provided
if [[ $newversion != *"."* ]]; then
  newversion="${newversion:0:1}.${newversion:1:2}"
fi

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

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

if [ $? -eq 0 ]; then
    echo -e "New version: $newversion"
    echo -e "Old version: $currentversion \n"

    # 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 --force --overwrite

    echo "Stopping old FPM process"
    brew services stop php@$currentversion

    echo "Starting new FPM process"
    brew services start php@$newversion

    echo "Linking new modphp addon..."
    ln -sf `brew list php@$newversion | grep libphp` /usr/local/lib/libphp${majorNew}.so
    echo /usr/local/lib/libphp${majorNew}.so
    echo "Fixing LoadModule..."
    apacheConf=`httpd -V | grep -i server_config_file | cut -d '"' -f 2`
    sed -i -e "/LoadModule php${majorOld}_module/s/^#*/#/" $apacheConf

    if grep "LoadModule php${majorNew}_module .*php@${newversion}" $apacheConf > /dev/null
    then
        sed -i -e "/LoadModule php${majorNew}_module .*php@${newversion}/s/^#//" $apacheConf
    else
        sed -i -e "/LoadModule php${majorNew}_module/s/^#//" $apacheConf
    fi

    echo "Updating version file..."

    pgrep -f /usr/local/"Cellar|opt"/*/httpd 2> /dev/null > /dev/null
    if [ $? -eq 0 ]; then
        echo -e "Restarting homebrew Apache...\n"
        sudo /usr/local/bin/apachectl -k restart > /dev/null 2>&1
    else
        echo -e "\nHomebrew Apache not found, not restarting Apache.\n"
        echo -e "Try \`brew install httpd\` first.\n"
    fi

    # Show PHP CLI version for verification.
    echo "Now running..." && php -v | sed '1q' && echo "💪 💪 💪 "
else
    echo "PHP version $newversion was not found."
    echo "Try \`brew install php@${newversion}\` first."
    exit 1
fi

Only works with homebrew/core PHP versions and Homebrew Apache (httpd). Also (re)starts and switches FPM processes in brew services list.

To have a completely passwordless switch, add this to your sudo visudo:

{{username}} ALL=(ALL) NOPASSWD: /usr/local/bin/apachectl