sphp

#!/bin/bash
# Creator: Phil Cook
# Email: phil@phil-cook.com
# Twitter: @p_cook
brew_prefix=$(brew --prefix | sed 's#/#\\\/#g')

brew_array=("5.6","7.0","7.1","7.2","7.3")
php_array=("php@5.6" "php@7.0" "php@7.1" "php@7.2" "php@7.3")
php_installed_array=()
php_version="php@$1"
php_opt_path="$brew_prefix\/opt\/"
# Has the user submitted a version required
if [[ -z "$1" ]]
then
	echo "usage: sphp version"; echo;
	echo "    version one of:" ${brew_array[@]};
	exit
fi

# What versions of php are installed via brew
for i in ${php_array[*]}
	do
		if [[ -n "$(brew ls --versions "$i")" ]]
		then
			php_installed_array+=("$i")
		fi
done

# Check that the requested version is supported
if [[ " ${php_array[*]} " == *"$php_version"* ]]
then
	# Check that the requested version is installed
	if [[ " ${php_installed_array[*]} " == *"$php_version"* ]]
	then
		# Switch Shell
		echo "Switching to $php_version"
		echo "Switching your shell"
		for i in ${php_installed_array[@]}
		do
			if [[ -n $(brew ls --versions $i) ]]
			then
				brew unlink $i
			fi
		done
		brew link --force "$php_version"
    echo ""
    php -v
    echo ""
		echo "All done!"
	else
		echo "Sorry, but $php_version is not installed via brew. Install by running: brew install $php_version"
	fi
else
	echo "Unknown version of PHP. PHP Switcher can only handle arguments of:" ${brew_array[@]}
fi