Posted by Jerry Stuckle on 11/01/07 11:32

pgt wrote:
> "Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
> news:YZ-dndstE9gcrLTanZ2dnUVZ_qXinZ2d@comcast.com...
>> pgt wrote:
>>> "Rik Wasmus" <luiheidsgoeroe@hotmail.com> wrote in message
>>> news:op.t0203pi85bnjuv@metallium.lan...
>>> On Wed, 31 Oct 2007 23:01:45 +0100, pgt <pgtnot@gmail.not> wrote:
>>>
>>>> I have a working couple of pages (form submits 2 variables to the second
>>>> page using GET).
>>>>
>>>> page1 has two dropdowns (generated from MySQL db).
>>>>
>>>> page2 retrieves info from the database accordingly, depending on the
>>>> passed
>>>> variables. Works fine.
>>>>
>>>>
>>>> I need to ensure that the user has actually selected both variables on
>>>> page1
>>>> from each of the drop down options on page1.
>>>>
>>>> empty() seems unable to do this because the default drop down options
>>>> are
>>>> "Select one", "Select the other".
>>>>
>>>> so on page2, if the user has NOT made any choices:
>>>>
>>>> echo "Values passed to GET method:<br />\n";
>>>> reset ($_GET);
>>>> while (list ($key, $val) = each ($_GET)) {
>>>> echo "$key => $val<br />\n";
>>>> }
>>>>
>>>> gives me:
>>>> Select one
>>>> Select the other
>>>>
>>>>
>>>> I can not see how to use empty() or isset() to resolve this, so...
>>>>
>>>> Any ideas how to ensure the user has selected something from both
>>>> options
>>>> (without javascript)?
>>>>
>>>> I couldn't find anything in the manual but assume I'm looking in all the
>>>> wrong places for this.
>>>
>>> Give the option a value 0 (well, it's more transparant/reliably checked
>>> then for the string 'Select one', and check if(!isset($_GET['option1'])
>>> ||
>>> $_GET['option1'] = 0) echo 'Please select an option.';
>>>
>>>
>>>
>>>
>>> Still missing something here then:
>>>
>>> page1
>>> <select name="this">
>>> <option value="0">Select one</option>
>>> </select>
>>> <select name="that">
>>> <option value="0">Select the other</option>
>>> </select>
>>>
>>>
>>> page2
>>> if (!isset($_GET['var1']) || $_GET['var1'] = "0")
>>> { echo 'Go back and select the first choice.'; }
>>>
>>> if (!isset($_GET['var2']) || $_GET['var2'] = "0")
>>> { echo 'Go back and select your second choice.'; }
>>>
>>>
>>> What am I missing with this please?
>>>
>>> Thanks for any help.
>>>
>>>
>> if (!isset($_GET['var1']) || $_GET['var1'] == "0")
>> { echo 'Go back and select the first choice.'; }
>>
>> if (!isset($_GET['var2']) || $_GET['var2'] == "0")
>> { echo 'Go back and select your second choice.'; }
>>
>
>
> Arrh - Comparison operator :-)
> Thanks very much all.
>
> It's appreciated.
>
>
>
>
>

Don't know how many times I've done this over the past 20+ years -
probably average at least once a week :-)

--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

[Back to original message]