phpswitch

#!/bin/zsh

loader() {
	printf "["
	while kill -0 "$1" 2> /dev/null; do
		printf  "▓"
		sleep 0.5
	done
	printf "] done!\n"
}

if [ $# -ne 1 ]; then
	echo 1>&2 "USAGE: $0 <phpVersion>"
	exit 2
fi

INSTALLED_VERSIONS=`find /opt/homebrew/opt | grep 'php@' | sed 's/\/opt\/homebrew\/opt\/php@//'`

if [[ ! -f /opt/homebrew/opt/php@${1}/bin/php ]]; then
	echo 1>&2 "/opt/homebrew/opt/php@${1}/bin/php was not found"
	printf 'valid options:\n%s\n' "${INSTALLED_VERSIONS[*]}"
	exit 2
fi

CURRENT_PHP_VERSION=$(php -r "echo PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION;")

echo "Switching from PHP version $CURRENT_PHP_VERSION to $1 ..."
{
	brew unlink "php@$CURRENT_PHP_VERSION" > /dev/null 2>&1
	brew services stop "php@$CURRENT_PHP_VERSION" > /dev/null 2>&1

	brew link --force --overwrite "php@$1" > /dev/null 2>&1
	brew services start "php@$1" > /dev/null 2>&1
} &
loader $!

printf "\n====== PHP Version ======\n"
php -v