Skaitau knyga PHP 4 ir bandau kartoti esamus pvz. Bandau toki pvz. su 
masyvais:
<?php
$cars=array
(
 "FORD"  => array ("Mustang", "Focus", "F150"),
 "CHEVY" => array ("Camaro", "Silverado", "Cavalier", "Corvette"),
 "PORSCHE" => array ("911","Boxter","Carera")
);
ob_start();
var_dump($cars);
$cars_var_dump = ob_get_contents();
ob_end_clean();
print("<pre>" . $cars_var_dump . "</pre");
?>

Isveda i ekrana koda, o ne iskirtus FORD, SHEVY, PORSCHE. Kame gali buti 
beda?
Dekui.