Re: undefined variable

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> <? $counter++; } ?> </table> ""Richard Lynch"" <ceo@l-i-e.com> schreef in bericht news:53414.67.184.121.112.1146346993.squirrel@www.l-i-e.com... > On Sat, April 29, 2006 5:42 am, Smart Software wrote: >> code below shows all records from products table with an textbox and >> an >> order button for each record > >> How can i add the content of the textbox? >> i tried this: >> <td width="40%"> <a href="<? echo >> >> "products.php?cat=$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