isset always returns 0
i create dynamic textbox called quantity0, textbox1, textbox3.......
then i a, trying to get the content of the textbox but it is always 0.
as you can see, i tried the suggestions but it still dont work.
is there something iam doing wroing? why is the textbox always 0?
<table width="700">
<? $query1 = mysql_query("SELECT * FROM products where product_group='$cat'
order by position");
$counter = 0;
while ($rowType = mysql_fetch_array($query1))
{
$textbox="quantity";
$textbox= "$textbox$counter"; //variable is set to quantity0, quantity1,
quantity2 etc
?>
<td width="30%">New row number: <? echo $counter; ?></td>
<td width="30%">name of textbox: <? echo $textbox; ?></td>
<? //below the textbox will be created?>
<td width="10%"><input id="<? $textbox ?>" name="<? $textbox ?>"
type="text" value="1" size="1" maxlength="3"></td>
<?
//get content of textbox
$q = isset($_REQUEST['$textbox']) ? $_REQUEST['$textbox'] : 0;
?>
<td width="10%"> <a href=" <? echo "products.php?quantity=$q"; ?>"
</a>TEST</td>
<td width="20%"> <? echo "content of textbox: $q"; ?> </td>
</tr>
<?
$counter++;
}
?>
</table>
""Richard Lynch"" <ceo@xxxxxxxxx> schreef in bericht
news:53414.67.184.121.112.1146346993.squirrel@xxxxxxxxxxxxxxxx
> On Sat, April 29, 2006 5:42 am, Smart Software wrote:
>> code below shows all records from products table with an textbox and
>> an
>> order button for each record
>
>> How can i add the content of the textbox?
>> i tried this:
>> <td width="40%"> <a href="<? echo
>> "products.php?cat=$cat&quantity=$quantity&toevoegen=1&id=$rowType[7]";
>> ?>"><img src="images/bestel1.gif" border="0"></a></td>
>>
>> but all i get is an error telling me there is a undefined varable
>
> You probably are following some kind of tutorial that assumes
> "register_globals" is "on" -- or you are simply used to that
> environment.
>
> So when you try to use $quantity, it's not defined.
>
> The value you want is in $_REQUEST['quantity'];
>
> You should do something like this:
>
> <?php
> //Get data from REQUEST:
> $quantity = isset($_REQUEST['quantity']) ? $_REQUEST['quantity'] : 0;
> //Force valid data:
> $quantity = (int) $quantity;
> //rest of script here.
> ?>
>
> --
> Like Music?
> http://l-i-e.com/artists.htm
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