Re: 2D array by POST

On 5/19/2023 2:19 AM, Liz Tuddenham wrote:
> J.O. Aho <[email protected]> wrote:
> 
>> On 5/18/23 23:38, The Doctor wrote:
>>> In article <[email protected]>,
>>> J.O. Aho <[email protected]> wrote:
>>>> On 5/18/23 18:04, Liz Tuddenham wrote:
>>>>> I need to send a 2-dimensional array from one file to another by POST.
>>>>> The array is $item[][] with contents that are entirelyintegers.
>>>>>
>>>>> I have tried :
>>>>>     Print "<INPUT TYPE=hidden NAME=item[] VALUE=$item>";
>>>>> with
>>>>> $item = stripslashes($_POST['item']);
>>>>> but it does not work.
>>>>>
>>>>>     Any suggestions?
>>>>
>>>> 1. use session, store the value in the session and then use it in the
>>>> next page directly from the session.
>>>>
>>>> 2. serialize the variable and base64 encode the serialized data, post
>>>> this in the form and then base64 decode and unserialize.
>>>>
>>>
>>> Is base64 strong enugh?
>>
>> It's not about the encryption, it's about not making the html to break
>> as you don't know what the serialized data may contain.
>>
>> if the data is sensitive or you want to avoid user manipulation of the
>> data, then store the data in session and that is way it was number 1 of
>> the suggestions.
> 
> The data isn't particularly sensitive, it is just a 'shopping list'
> passed from one part of a shopping program to another.  It could have
> been sent as dozens of individual variables, but that seemed clumsy as
> they were already nicely wrapped up in an array.
> 
> 

J.O. has the right idea.  The way to do this is to store the data in the 
$_SESSION variable to pass it on to the next page.

This is especially true if it has things like prices - which the user 
can change if you give them access to it via a web page.

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Jerry Stuckle
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