bash arg handling inside functions

gistfile1.sh

#!/usr/bin/env bash

function fn_star() {
	for word in "$*"; do
		echo $word
	done
}

function fn_at() {
	for word in "$@"; do
		echo $word
	done
}

echo "fn_star:"
fn_star 1 '2 3'
echo "fn_at:"
fn_at 1 '2 3'

Output:

fn_star:
1 2 3
fn_at:
1
2 3