PHP version manager script for MAMP Pro

pvm.sh

function pvm() {
    if [ "$1" = "" ]; then
        echo "Please specify PHP version to run."
        return 1
    elif [ "$1" = "use" ]; then
        if [ "$2" = "" ]; then
            echo "Please specify a PHP version."
            return 1
        elif test -f "/Applications/MAMP/bin/php/php$2/bin/php"; then
            export PATH=/Applications/MAMP/bin/php/php$2/bin:$PATH
            unalias php
            echo "Using PHP $2 version."
            return 0
        else
            echo "PHP $2 is not installed."
            return 1
        fi
    elif test -f "/Applications/MAMP/bin/php/php$1/bin/php"; then
        /Applications/MAMP/bin/php/php$1/bin/php -c "/Library/Application Support/appsolute/MAMP PRO/conf/php$1.ini" $2
    else
        echo "PHP $1 is not installed."
        return 1
    fi
}