Online PHP editor | refs for oE0sG

<?php function generate_comb($pos, &$res) { global $comb; print_r('{' . $res . '}'); echo "\n"; if ($res != '') { $res = $res . ','; } for ($i = $pos + 1; $i < count($comb); $i++) { $var = $res . $comb[$i]; generate_comb($i, $var); } } $comb = array(1, 2, 3, 4, 5); $pos = -1; $res = ''; generate_comb($pos, $res);