Re: checkbox unchecked

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On Dec 2, 2007 1:08 PM, tedd <tedd.sperling@xxxxxxxxx> wrote:
> At 12:36 PM -0600 12/2/07, Larry Garfield wrote:
> >First of all, using "y" and "n" for boolean values (such as a checkbox) is
> >very sloppy.  "n" is boolean True.  A boolean value should evaluate correctly
> >in a boolean context.  For that, you should use 1 and 0 for your values.
> >
> >What I usually do is this:
> >
> ><input type="hidden" name="foo" value="0" />
> ><input type="checkbox" name="foo" value="1" <?php echo $checked; ?> />
> >
> >Then when it gets submitted, foo will get the value of the form element that
> >was submitted last that has a value.  That is, if the checkbox is checked
> >then foo will be 1, otherwise it will be 0.  That gives you a nice, clean
> boolean value you can rely on being present (mostly <g>).
>
> Larry:
>
> Not that you said otherwise, but if the programmer does not set the
> value for a checkbox, html will provide values  -- that may lead to
> confusion for newer programmers.
>
> See here:
>
> http://webbytedd.com/bbbb/checkbox/
>
> If you will note, without specifically setting the value, html will
> return "on".
>
> Also, I'm sure it's an oversight, but your code above should be:
>
> <?php if ($foo) echo('checked'); ?>
>
> Cheers,
>
> tedd
>
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> -------
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>

You don't need to do anything.
<input type="checkbox" name="likes_pie" />

When it's submitted:
<?php
 if ($_GET['likes_pie']) // checked
else // not

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