Easy ZSH/Bash alias for swapping PHP versions on the fly

switch-brew-php.sh

# Switch PHP version in brew
# Place this in your ~/.bashrc or similar for autoload into your shell
function phpsw() {
    if [ -z "$1" ]; then
        logInfo "You need to provide a PHP formulae version to switch to in format:"
        logInfo "$ phpsw 8.1"

        if command -v jq >/dev/null 2>&1; then
            logInfo "Installed PHP versions via Brew:"
            brew info --json php | jq -r '.[].versioned_formulae[]'
        else
            logInfo "Please install jq to list installed PHP versions via: $ brew install jq"
        fi

        return 1
    fi

    local phpFormulaeVersion="php@$1"

    if brew ls --versions $phpFormulaeVersion > /dev/null; then
        logInfo "${phpFormulaeVersion} is already installed, continuing..."
    else
        logInfo "${phpFormulaeVersion} is not installed, installing..."

        brew install $phpFormulaeVersion

        logInfo "${phpFormulaeVersion} installed!"
    fi

    logInfo "Now linking ${phpFormulaeVersion} and making it active!"

    brew unlink php && brew link --force --overwrite $phpFormulaeVersion

    logInfo "Done! ${phpFormulaeVersion} is now active:"

    php -v
}