Online PHP editor | refs for Af2ov

<?php function getCombinations($traits, $string = '', $i = 0) { $retval = ''; if ($i >= count($traits)) return trim($string) . "\n"; else { foreach ($traits[$i] as $trait) { $retval .= getCombinations($traits, "$string $trait", $i + 1); } } return $retval; } $traits = array ( array('Happy', 'Sad', 'Angry', 'Hopeful'), array('Outgoing', 'Introverted'), array('Tall', 'Short', 'Medium'), array('Handsome', 'Plain', 'Ugly') ); $combinations = getCombinations($traits); echo $combinations;