<?php
$array = array(
1 => array(
1 => array(1, 2, 3),
2 => array(1, 2, 3),
3 => array(1, 2, 3)
),
2 => array(
1 => array(1, 2, 3),
2 => array(1, 2, 3),
3 => array(1, 2, 3)
),
3 => array(
1 => array(1, 2, 3),
2 => array(1, 2, 3),
3 => array(1, 2, 3)
)
);
foreach ($array as $key => $value)
{
echo '<b>top level:</b> ' . $key . '<br>';
foreach ($value as $subkey => $subvalue)
{
echo 'sub level: ' . $subkey . '<br>';
foreach ($subvalue as $subsubvalue)
{
echo 'sub-sub level: ' . $subsubvalue . '<br>';
}
}
}
?>