calcolo combinatorio ???
eccotelo


[editato]
require 'Combinatory.class.php';
$container = Array( '1', '2', '3', '4', '5', '6', '7', '8', '9', '10' );
$c = &new Combinatory( '-' );
$matches = &$c->result( $container, 3, "Cn,k" );
echo count( $matches );
echo '<pre>';
var_dump( $matches );
echo '</pre>';