$value1) foreach ($x2 as $key2 => $value2) $result[$key1][$key2] = array($value1, $value2); return $result; } function print_product($x) { $tmp = array(); foreach($x as $row) { $tmp = array_merge($tmp, array_map(function($value){ return implode('-', $value); }, $row)); } return $tmp; } $items = array('palto','noski','shapki'); $colors = array('red','black','white'); $materials = array('kozha','meh','aluminij'); echo implode("
\n", print_product(product( print_product(product( $items, $colors )), $materials) ));