Mostrar variable de sesion que es un array

[kimmy]

var_dump($_POST) arroja esto:

array(12) { ["id_posada"]=> string(1) "2" ["id_plan"]=> string(1) "5" ["select1"]=> string(11) "Encantadora" ["select2"]=> string(6) "Tus XV" ["adultos"]=> string(1) "1" ["ctdad_ninos_me"]=> string(1) "1" ["ctdad_ninos_may"]=> string(1) "1" ["tipo_habitacion_c"]=> array(2) { [0]=> string(10) "6 personas" [1]=> string(10) "4 personas" } ["habitaciones"]=> string(1) "2" ["llegada"]=> string(10) "2012-08-10" ["salida"]=> string(10) "2012-08-14" ["Submit"]=> string(8) "Reservar" }

y print_r($_POST) arroja esto:

Array ( [id_posada] => 2 [id_plan] => 5 [select1] => Encantadora [select2] => Tus XV [adultos] => 1 [ctdad_ninos_me] => 1 [ctdad_ninos_may] => 1 [tipo_habitacion_c] => Array ( [0] => 6 personas [1] => 4 personas ) [habitaciones] => 2 [llegada] => 2012-08-10 [salida] => 2012-08-14 [Submit] => Reservar )