Ik heb deze form:

    <div class="control-group">
      <!-- Username -->
      <label class="control-label"  for="my">Users involved</label>
      <div class="controls"><?php if(isset($_POST['my'])) echo 'true'; else echo 'false' ?>
        <!-- <input type="text" id="username" name="forUserT" placeholder="" value="<?php echo $row['forUser'] ?>" class="form-control"> -->
        <input type="radio" name="my" placeholder="" value="1" class="form-control" />
    	1
    	<input type="radio" name="my" placeholder="" value="2" class="form-control" /> 2
        <p class="help-block">Please enter all the users involved, devided by a comma and space ("user1, user2"). If every admin is involved please enter PUBLIC.</p>
      </div>
    </div>


Maar deze werkt niet. Terwijl de volgende form wel werkt:
    <div class="control-group">
      <!-- E-mail -->
      <label class="control-label" for="percentage">Percentage</label>
      <div class="controls">
       <!-- <input type="text" id="email" name="percentage" placeholder="" value="<?php echo $row['percentage'] ?>" class="form-control"> -->
        <input type="text" id="email" name="percentage" value="" class="slider form-control" data-slider-min="0" data-slider-max="100" data-slider-step="1" data-slider-value="<?php echo $sliderpercentage ?>" data-slider-orientation="horizontal" data-slider-selection="before" data-slider-tooltip="show" data-slider-id="blue" style="width: 250px; background-: #f56954 !important">
        <p class="help-block">Please enter the current percentage.</p>
      </div>
    </div>
Wat werkt er niet aan?
De $_POST['my'] wordt niet geset.
Dan zul je toch eerst je formulier moeten versturen via een submit, en binnen een form-field plaatsen.

Als je realtime iets in de source wilt aanpassen, dan kan je beter naar JavaScript kijken, en bij sterke voorkeur naar het jQuery-framework.
Ik zie nu pas dat de helft van mijn post niet is doorgekomen ?!

dit is nog een deel van de submit knop:
<?php

//if form has been submitted process it
if(isset($_POST['submit'])){

//collect form data
extract($_POST);

//very basic validation
if($taskTitle ==''){
$error[] = 'Please enter the title.';
}

if($taskDesc == ''){
$error[] = 'Please enter a small description';
}

if($color == ''){
$error[] = 'Please use the colorpicker to pick a color';
}

if(!isset($forUser)){
$error[] = 'Please enter the select an option.';
}

$percentage .= "%";
[/code]
En dan is dit de voledige HTML code.[code]
<form class="form-horizontal" action='' method="POST">
<fieldset>
<input type='hidden' name='memberID' value='<?php echo $row['id'];?>'>

<input type='hidden' name='memberID' value='<?php echo $row['startUser'];?>'>
<div class="form-group">

<div class="control-group">
<!-- Username -->
<label class="control-label" for="my">Users involved</label>
<div class="controls"><?php if(isset($_POST['my'])) echo 'true'; else echo 'false' ?>
<!-- <input type="text" id="username" name="forUserT" placeholder="" value="<?php echo $row['forUser'] ?>" class="form-control"> -->
<input type="radio" name="my" placeholder="" value="1" class="form-control" />
1
<input type="radio" name="my" placeholder="" value="2" class="form-control" /> 2
<p class="help-block">Please enter all the users involved, devided by a comma and space ("user1, user2"). If every admin is involved please enter PUBLIC.</p>
</div>
</div>

<div class="control-group">
<!-- E-mail -->
<label class="control-label" for="percentage">Percentage</label>
<div class="controls">
<!-- <input type="text" id="email" name="percentage" placeholder="" value="<?php echo $row['percentage'] ?>" class="form-control"> -->
<input type="text" id="email" name="percentage" value="" class="slider form-control" data-slider-min="0" data-slider-max="100" data-slider-step="1" data-slider-value="<?php echo $sliderpercentage ?>" data-slider-orientation="horizontal" data-slider-selection="before" data-slider-tooltip="show" data-slider-id="blue" style="width: 250px; background-: #f56954 !important">
<p class="help-block">Please enter the current percentage.</p>
</div>
</div>

<div class="control-group">
<!-- E-mail -->
<label class="control-label" for="taskTitle">E-mail</label>
<div class="controls">
<input type="text" id="email" name="taskTitle" placeholder="" value="<?php echo $row['taskTitle'] ?>" class="form-control">
<p class="help-block">Please provide the E-mail</p>
</div>
</div>

<div class="control-group">
<!-- E-mail -->
<label class="control-label" for="taskDesc">E-mail</label>
<div class="controls">
<input type="text" id="email" name="taskDesc" placeholder="" value="<?php echo $row['taskDesc'] ?>" class="form-control">
<p class="help-block">Please provide the E-mail</p>
</div>
</div>

<!-- Color Picker -->
<div class="control-group">
<!-- E-mail -->
<label class="control-label" for="color">E-mail</label>
<div class="controls">
<input type="text" id="email" name="color" placeholder="" value="<?php echo $row['color'] ?>" class="form-control my-colorpicker1">
<!-- <input id="email" type="text" class="form-control my-colorpicker1"/ name"color" placeholder="" value="<?php echo $row['color'] ?>"> -->
<p class="help-block">Please provide the E-mail</p>
</div>
</div>



<div class="control-group">
<!-- Button -->
<div class="controls"><a href="users.php">
<button class="btn btn-success" name="submit">Update task</button>
</a></div>
</div>

</fieldset>
</div>
Wat meldt dit na het uitvoeren van het formulier?

<?php
echo "<pre>".print_r($_POST,1)."</pre>";
?>
Array
(
    [memberID] => demo
    [percentage] => 54
    [taskTitle] => The second task.
    [taskDesc] => The first task was edited to this.
    [color] => #f700c0
    [submit] => 
)
En je hebt wel 1 van de radio's aangevinkt?
Waarom 2 keer <input type='hidden' name='memberID'...

Geef ook de eerste regels eens dubbele (html) quotes in plaats van enkele.
Daar ligt het niet aan, ik heb hem is aangepast naar een text input om precies te zijn deze regel:


        <input type="text" id="username" name="forUserT" placeholder="" value="<?php echo $row['forUser'] ?>" class="form-control">

en hij komt er gewoon goed uit.

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