[FX.php List] Suggestions on editing a list of check boxes

[Gjermund Gusland Thorsen]

That approach name="myArray[]" in combination with recid can make you
achieve some serious stuff.

ggt

2008/9/1 Chris Hansen <chris at iviking.org>:
> John,
>
> Bob is right about checkbox naming (if you're not careful, you'll end up
> with only that last value in the list), but there's a very elegant way to
> handle this: name your checkbox element with empty square brackets.
>
> <input type='checkbox' name='my_checkbox[]' value='some_value' />
>
> What this does, is cause PHP to automagically assemble all checkbox values
> for a given set into an array.  Neat, eh?  Just be sure to check that values
> were submitted before stepping through that PHP array with foreach() or
> you'll get an error.
>
> HTH
>
> --Chris Hansen
>  FileMaker 7/8/9 Certified Developer
>  Creator of FX.php
>  "The best way from FileMaker to the Web."
>  www.iViking.org
>
> On Sep 1, 2008, at 11:24 AM, Bob Patin wrote:
>
>> Hi John,
>>
>> I thought we talked about this the other day...
>>
>> I have my own method, which works great; I'm sure there are other methods,
>> but this one is fairly easy:
>>
>> On your form:
>>
>> If you are creating a dynamic set of checkboxes, you'll need to make sure
>> each checkbox's name is unique. I do this with a counter:
>>
>> $counter = 0;
>>
>> Then, in a FOREACH loop, generate your checkbox HTML code, and make the
>> name end with the counter variable:
>>
>> name="myCheckbox_<?php echo $counter; ?>"
>>
>> I use an underscore just to make it easy for me to read...
>>
>> Then, after this FOREACH loop, put an invisible field that contains the
>> value of $counter; you'll use this on the processing page.
>> ---------------
>> ON THE PROCESSING PAGE:
>>
>> //retrieve the value of your COUNTER variable
>> $counter = $_POST['counter'];
>>
>> Retrieve the checkbox values by using a WHILE loop:
>>
>> $x = 0;
>> while ($x < $counter){
>>        $myCheckboxList = $_POST['myCheckbox_'.$x].'<br>';
>>        $x++;
>> }
>>
>> Then, in your EDIT query, write the value of $myCheckboxList to your
>> checkbox field.
>>
>> I'm doing this all from memory, but that's essentially how I do it. You
>> don't really need to use an array, since you're grabbing the checkbox values
>> and assembling them into a list that you'll write to the field.
>>
>> Hope this makes sense; I'm too lazy to dig up one of my pages and copy out
>> the code...
>>
>>
>> --
>> Bob Patin
>> Longterm Solutions
>> bob at longtermsolutions.com
>> 615-333-6858
>> http://www.longtermsolutions.com
>> iChat: bobpatin
>> AIM: longterm1954
>> FileMaker 9 Certified Developer
>> Member of FileMaker Business Alliance and FileMaker TechNet
>> --------------------------
>> FileMaker hosting and consulting for all versions of FileMaker
>> PHP • Full email services • Free DNS hosting • Colocation • Consulting
>>
>>
>> On Sep 1, 2008, at 10:52 AM, John Funk wrote:
>>
>>> I have HTML form that list the results of an FM query in a check box
>>> format.
>>> I would like to then send that list (all (records with user changes) back
>>> to
>>> the same FM layout (table) with FMEdit().
>>> Can anybody give an example for capturing, sending and getting arrays of
>>> data between php files, then parsing to edit the records? I understand
>>> the
>>> FMEdit() part.
>>>
>>> My form part to show to check list:
>>> $RecID=$record['RecordID'][0];
>>> $Category=$record['Category'][0];
>>> $YrSelected=$record[' YrSelected'][0];
>>>
>>> echo "<input name=RecID type=hidden value=".$RecID.">";
>>> echo "<input name=YrSelected type=checkbox value=".$YrSelected;
>>>
>>> if ($YrSelected >"")
>>>
>>> echo " checked>".$Category."<br>";
>>> else
>>> echo " unchecked>".$Category."<br>";
>>>
>>>
>>> This seems so simple but the more I work on it the more I get screwed up.
>>> Thanks
>>> John Funk
>>>
>>>
>>> _______________________________________________
>>> FX.php_List mailing list
>>> FX.php_List at mail.iviking.org
>>> http://www.iviking.org/mailman/listinfo/fx.php_list
>>
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