RE: Arrays

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I guess your purpose is to just save the row data from the mysql to the
array each unit. So may be the result that you expected is sth like:
$product[0] = 1;
$product[1] = 2;
$product[2] = 3;
..

If you just "loop for each new value in the loop and to destroy the array",
you second example is okey.
 
 
 
Best regards,
Shiqi Yang
-----Original Message-----
From: Justin Gruenberg [mailto:justin.gruenberg@xxxxxxxxx] 
Sent: Tuesday, July 12, 2005 7:43 PM
To: virtualsoftware@xxxxxxxxx; php-general@xxxxxxxxxxxxx
Subject: Re:  Arrays

On 12/07/05, virtualsoftware@xxxxxxxxx <virtualsoftware@xxxxxxxxx> wrote:
> Hi,
> 
> How can i destroy an array?
> I mean i have a loop and for each new value in the loop i want to destroy
the array. Something like that:
> 
>  while($row = mysql_fetch_array($result))
>       {
> 
>           $product[] = $product_id;
> 
>          // some code here
> 
>      }
> 
> I've tried this but doesn't work
> 
>  while($row = mysql_fetch_array($result))
>       {
> 
>           $product = array();
> 
>           $product[] = $product_id;
> 
>          // some code here
> 
>      }


To destroy an array? 

First of all, where does $product_id come from?  You gave us no code
that gives us that.

Second, if you're trying to make an array populated with a feild from
each row returned, your first example will work, but not the second. 
The second example will empty the array, and start a new one (which
doesn't make sense to me why you would do that--because in the end,
you're only going to have the array with the last row returned).

But if you're trying to destroy an array doing either:
unset($an_array)
or $an_array = array();
will do the job.

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