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Från: nicolas figaro [mailto:[EMAIL PROTECTED]
Skickat: den 22 maj 2006 11:50
Till: PHP List
Ämne: Re: [PHP] Array name out of field value with data
Jonas Rosling a écrit :
> Not so sure if I've tried to work this out before in this list.
> I'm trying to make an array name by a field/row value and assigning values
> to it. But I'm having some problems getting it to work.
> Is it possible to do this? And if, what am I doing wrong? Or is there any
> other way to do it?
>
> while($row=mysql_fetch_array($result)) {
>
> // Checking if variable/array is not declared
> if (!$$row[0]) {
>
>
what do you want to check with the code above ?
I don't think $$row[0] will give you anything good.
as you're inside your while loop, $row should be declared,
but the content of $row[0] depends on your request.
you can check if $row[0] is set using "count $row";
but if you have an empty value in the first column, this will give you
an empty string as result.
try a print_r($row); after your "while".
> // Declaring an empty array by the value of sales person code
> $$row[0] = array();
>
>
I still don't understand why you're using $$row above.
> // Current sales person code
> $code = $row[0];
>
> // Putting the product name as a key and the price as a value
> in the
array
> eval("\$code[\$row[1]] = \"$row[2]\";");
>
do you really want to erase the content of $code you just set above with
the eval statement ?
$my_array = array();
$my_array[$1] = $2;
> }
>
> }
>
> Thanks
>
>
Could you please describe a bit more what you'd like to do/set, so we
can give you a better help ?
N F
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The thing is that I want to name an array by the value in $row[0], sales
person code. Once the array is declared it should not be declared again. The
field never contains an empty value.
After that I want to push in $row[1] as a key with $row[2] as a value, all
related to the array name/sales person code. So if an array is declared that
is equal as the value in the first field it should input a key and value.
For example the array "AT" can contain 10 "collections" of data.
Array ( [Product 1] => 1500 [Product 2] => 3000 [Product 3] => 500 ) etc,
Hope I have made it a bit more easier to understand now.
// Jonas
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