Simple array question

[gokeeffe]

Hi

How can I get the index from the following code

// Set the array
$_SESSION['grind_array'][] = array('Interest' => $_SESSION['Interest'],
'Subject' => $_SESSION['Subject'],
'Level' => $_SESSION['Level'])
);

I need to obtain the internal order in which the element of the above array are stored, subsequent to the removal or delection of some of the elements.

Basically I want to be able to use these indexes in a subsequent page.
For example if the array has 3 elements I want to use index 0,1,2 in the next page.

Regards

 

[sysadmin42]

my understanding is that they are stored in the order in which they are in your code. Interest=0, Subject=1, Level=2.

Why would you want to use the index anyway?

 

[WoodyRoundUp]

$_SESSION['grind_array'][] = array('Interest' => $_SESSION['Interest'],
'Subject' => $_SESSION['Subject'],
'Level' => $_SESSION['Level'])
);

$index=0;
foreach ($_SESSION['grind_array'] as $sub_array)
{
foreach ($sub_array as $key => $value)
{
echo $key." is in the index number ".$index."<Br>";
$index++;
}
}