On 01 October 2008 21:24, tedd advised:
> At 2:38 PM -0500 10/1/08, Afan Pasalic wrote:
>> main reason - if you sort by first or last name you will lose
"index".
>> this way is index always "linked" to first/last name.
>
> Your point is well taken, but I'm not sorting this.
>
> True, the arrays have a common index, which is 0, 1, 2, 3 ...
>
> [user_id] => Array
> (
> [0] => 6156
> [1] => 7030
> [2] => 656
> )
>
> [first_name] => Array
> (
> [0] => Diane
> [1] => Fred
> [2] => Helen
> )
>
> [last_name] => Array
> (
> [0] => Cable
> [1] => Cago
> [2] => Cahalan
>
> But the data is relational, such as:
>
> Diane Cable has user id 6156.
>
> I collected the data like this (in a loop):
>
> $_SESSION['user_id'][] = $value;
> $_SESSION['first_name'][] = $first_name;
> $_SESSION['last_name'][] = $last_name;
>
> Doing this is fine -- the index is automatic.
>
> I thought I could retrieve the data by using:
>
> $num_users = count($_SESSION['user_id']); // <--- this works (correct
> $num_users)
>
> for ($i = 0; $i < $num_users; $i++)
> {
> $last_name = $_SESSION['last_name'][$i];
> $first_name = $_SESSION['first_name'][$i];
> echo("<tr><td>$last_name</td><td>$first_name</td></tr>"); }
>
> But that doesn't work. What's really odd is only the first loop works.
I'm thinking register_globals here. In every example you've posted,
you've used $last_name and $_SESSION['last_name'] -- but these are the
same thing if register_globals is on, and would lead to your posted
output with the single characters on the 2nd iteration and nothing after
that!
At least one posted suggestion used $first and $last rather than
$first_name and $last_name -- did you actually try with the shorter
names, or stick with your longer matching ones?
Cheers!
Mike
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Mike Ford, Electronic Information Developer,
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