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Posted by DrNoose on 04/16/07 19:59
J.O. Aho wrote:
> DrNoose wrote:
>> Hi!
>>
>> I have followed the previous threads and tried some of the suggestions,
>> but still could not get my code to run. When I select a button and hit
>> the "Pick A Color" button, nothing happens. I've included the code for
>> the html form and the .php file. The book I've been reading suggests
>> using If/else statements. I saw that some else had used switch
>> statements. I did try using a switch statement, but it didn't work. The
>> code below uses the if/else statements. I was also not sure if I should
>> put the $_POST statement in the if/else since I had used "extract
>> "$_POST" earlier.
>>
>> Any help is appreciated!
>>
>> **************************************************************************
>>
>> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
>> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
>> <html xmlns="http://www.w3.org/1999/xhtml" >
>> <head>
>> <title>Pick A Color</title>
>> </head>
>> <body>
>> <form method="post" action="PickAColor.php">
>> <p style="text-align: center">
>> <strong><span style="font-size: 24pt">Pick A
>> Color</span></strong></p>
>> <p>
>> </p>
>> <p>
>> <strong><span style="font-size: 16pt" title="Red">
>> <input id="btnRed" name="PickColor" type="radio"
>> value="Red" />Red</span></strong></p>
>> <p>
>> <strong><span style="font-size: 16pt" title="Red">
>> <input id="btnBlue" name="PickColor" tabindex="1"
>> type="radio" value="Blue" />Blue</span></strong></p>
>> <p>
>> <strong><span style="font-size: 16pt" title="Red">
>> <input id="btnGreen" name="PickColor" tabindex="2"
>> type="radio" value="Green" />Green</span></strong></p>
>> <p>
>> <input id="btnPickColor" name="PickColor" type="button"
>> value="Pick A Color" /> </p>
>> <p>
>> <strong><span style="font-size: 16pt"
>> title="Red"></span></strong> </p>
>>
>> </form>
>> </body>
>> </html>
>>
>> <?php
>> // Get the information from the form
>> extract($_POST);
>> // Determine if the data is blank
>> if ($_POST[PickAColor == "")
>
> Not strange it don't work, as using $_POST[PickAColor] requires a Enum called
> PickAColor that will have the same value as the celld $_POST['PickAColor']
> has. And secondly you don't send any PickAColor, but only PickColor.
>
>> {
>> header("Location: index.html");
>> exit;
>> }
>>
>> // Determine what index was selected
>> if ($_POST[PickColor] == "Red") {
>> $resultIndex = 0;
>>
>> } else if ($_POST[PickColor] == "Blue") {
>> $resultIndex = 1;
>>
>> } else if ($_POST[PickColor] == "Green") {
>> $resultIndex = 2;
>> }
>>
>> // Determine what color was selected
>> if ($_POST[PickColor] == "Red") {
>> $resultColor = Red;
>>
>> } else if ($_POST[PickColor] == "Blue") {
>> $resultColor = Blue;
>>
>> } else if ($_POST[PickColor] == "Green") {
>> $resultColor = Green;
>> }
>> ?>
>> <html>
>> <head>
>> <title>Pick A Color</title>
>> </head>
>> <body>
>> <p> You selected Index Number: <?php echo $resultIndex"; ?></p>
>> <p> The color you selecte is: <?php echo "$resultColor"; ?></p>>
>>
>> </body>
>> </html>
>
> Try this one instead
>
> <?PHP
> /* If PickAColor wasn't used redirect them to main page */
> if (!isset($_POST['PickColor']) || empty($_POST['PickAColor'])) {
> header("Location: index.html");
> exit;
> }
> /* Here we check what value was selected and set the two
> varibles resultIndex and resultColor */
> switch($_POST['PickColor']) {
> case 'Red':
> $resultIndex = 0;
> $resultColor = "Red";
> break;
> case 'Blue':
> $resultIndex = 1;
> $resultColor = "Blue";
> break;
> case 'Green':
> $resultIndex = 2;
> $resultColor = "Green";
> break;
> default:
> /* Some one has tried to send false values */
> header("Location: index.html");
> exit;
> break;
> }
> ?>
> <html>
> <head>
> <title>Pick A Color</title>
> </head>
> <body>
> <p> You selected Index Number: <?php echo $resultIndex"; ?></p>
> <p> The color you selecte is: <?php echo "$resultColor"; ?></p>
> </body>
> </html>
>
Hi!
I must have something else wrong in my code; php probably. I tried your
code and still didn't get the php file to work. Someone told me that my
"id" and "name" in the properties box had to be the same. One of the
examples in the book has them with different names. Will that make a
difference?
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