php variable parameters

1<?php
2    function some_func($a, $b) {
3        for ($i = 0; $i < func_num_args(); ++$i) {
4            $param = func_get_arg($i);
5            echo "Received parameter $param.\n";
6        }
7    }
8
9    function some_other_func($a, $b) {
10        $param = func_get_args();
11        $param = join(", ", $param);
12        echo "Received parameters: $param.\n";
13    }
14
15    some_func(1,2,3,4,5,6,7,8);
16    some_other_func(1,2,3,4,5,6,7,8);
17?>
18