Online PHP editor | refs for 6hFXa

<?php $option_array[] = array( "name" => "delivery", "options" => array( "sat", "sun") ); $option_array[] = array( "name" => "colour", "options" => array( "red", "blue", "green") ); $option_array[] = array( "name" => "size", "options" => array( "small", "medium", "large") ); $N = 1; foreach ($option_array as $options) $N *= count($options['options']); $all_combinations = array(); for( $i = 0 ; $i < $N ; ++$i ) { $all_combinations[$i] = array(); $q = $i; for( $j = count($option_array)-1 ; 0 <= $j ; --$j ) { $opt = $option_array[$j]; $nopts = count($opt['options']); $all_combinations[$i][$opt['name']] = $opt['options'][$q % $nopts]; $q = floor($q / $nopts); } } print_r( $all_combinations );