check box values with php

[dramaphree]

i got this on line form and I use PHP as the backend. all the text boxes and drop down list values get sent but how to I work it so that a radio button or check box values gets sent?
thanks

[fridgedesign]

Hi

I'm currently working on email forms in Flash and have managed to get the information from basic text fields sent to my email using PHP...

I noticed you have managed to sort combo boxes out, so the info come back to you...

Any chance of some help, its been driving me mad now for about a week...

Cheers

[mikec]

did you ever figure out teh check box issue? I'm trying to figure that out myself... Send me some help if you can.

Thanks
Mike C

[admedia]

Check Boxes:

An unchecked checkbox will Submit nothing to the php script....
So to see if a checkbox was check you would do something like this

if(isset($_REQUEST['mycheckbox'])){
   // mycheckbox was checked, so lets put the value in a variable
   $myvariable = $_REQUEST['mycheckbox'];
} 

A radio button is different.
A submitted radio button will contain the value of the selected button...

$myvalue = $_REQUEST['myradiogroup']; 

[cngodles]

So, you would basicly set your box up like this:

<input type="checkbox" name="live_switch" value="y" <? if($live == 'y'){ ?>checked<? } ?>/>

The checked portion is if you happen to get the value from your database and set it. This does not work with Safari for some reason. I have to use "Yes", "No" Drop down boxes for Safari users. If you don't use data from a database, just use...

<input type="checkbox" name="live_switch" value="y" />

Then, when you are processing...

<?
if($_POST['live_switch'] == 'y'){
     $checked = 'yes';
} else {
     $checked = 'no';
}
?>

[admedia]

Your check-box setup looks ok, but you need to check for the variable beforehand.... see if the post variable is even sent with isset($_REQUEST['live_switch']);

So to complete your first code I would write

if(isset($_REQUEST['live_switch'])){
/* the box is checked so it must be set
to the only value it is allowed,
which in this case would be y */
     $live = 'y';
}
<input type="checkbox" name="live_switch" value="y" <?php if($live == 'y') echo "checked"  ?> />

The second part, again, check that the checkbox was selected and sent with isset.

if(isset($_REQUEST['live_switch'])){
    // the checkbox was sent, it must be selected
    $checked = true;
}else{
    // the check box wasn't checked... nothing was sent.
    $checked = false;
}
?>