Totally new to PHP. Need URGENT help with form.

[Dimplistic]

Basically, I have a series of radio buttons (wanted checkboxes) were people select either Latte, Mocha or Cappuccino.  I have included a hidden field for a price and using that to bring in the prices and add them up.

 

   <label for"Latte">Latte <br />&#8364; 2.15</label> <br />
             <input type="radio" name="coffee" id="Latte" value="Latte">
             <input name="LattePrice" type="hidden" value="2.15">
                            
                            </p>
                                     <p>
         <label>Mocha  <br /> &#8364; 2.25</label>  <br />
             <input type="radio" name="coffee" id="Mocha" value="Mocha">
                <input name="MochaPrice" type="hidden" value="2.25">
                            
                            </p>
                                     <p>
       <label>Cappucino <br />  &#8364;2.35</label> <br />
             <input type="radio" name="coffee" id="Cappucino" value="Cappucino"> 
                           <input name="CappPrice" type="hidden" value="2.35">    
                            </p>

 

The next section they choose the size they want Small, Medium or Large.

 

<p>   <label for="latteSmall">Small </label><img src="images/latte.png" alt="Small Latte" width="36" height="36">
<input type="radio" name="size" id="LatteSmall" value="Small"> 
<input name="SizePrice" type="hidden" value="0.00">
</p>

<p>   <label for="LatteMedium">Medium <br /> + &#8364; 0.25 </label> <img src="images/latte.png" alt="Medium Latte" width="42" height="42"> 
<input type="radio" name="size" id="LatteMedium" value="Medium"> <input name="SizePrice" type="hidden" value="0.25">
</p>
<p>   <label for="latteLarge">Large <br /> + &#8364; 0.45 </label> <img src="images/latte.png" alt="Large Latte" width="49" height="49"> 
<input type="radio" name="size" id="LatteLarge" value="Large"> 
<input name="SizePrice" type="hidden" value="0.45">
</p>

 

I chose radio buttons to limit the users choice to one coffee and one size to make life easier (for myself).  Ideally I wanted to use checkboxes but I could not get the php working.

 

So basically,  If Latte is selected echo it and the size. 

 

echo "Hi ". $name. ", " . "here is your order:" . "<br /> <br />";

echo "<strong>" . "Coffee:" . "</strong>" . "<br />" . $size . " " . $coffee . "<br /><br />";

 

That works fine but the pricing is coming out wrong as I was using:

 

if ($coffee == "Latte")
{
 $TotalCoffeePrice = $LattePrice + $SizePrice;	
 echo "&#8364; " . $TotalCoffeePrice . "<br /> <br />";
}
elseif ($coffee == "Mocha") {
 $TotalCoffeePrice = $MochaPrice + $SizePrice;	
 echo "&#8364; " . $TotalCoffeePrice . "<br /> <br />";
}
elseif ($coffee == "Cappucino") {
 $TotalCoffeePrice = $CappPrice + $SizePrice;	
 echo "&#8364; " . $TotalCoffeePrice . "<br /> <br />";
}

 

What is happening here is if you select Latte and then Small it was adding Small, Medium and Large prices to the Latte.  So instead of 2.15 I was getting 2.80 or something like that.  Obviously when I recognised this I tried an array but that just went arseways!!

 

 

Also, at the end of the php I was hoping to total up everything that they chose with:

 

$TotalPrice = ($TotalCoffeePrice + $SizePrice + $MuffinPrice + $SamboPrice);

echo "<strong>" . "Total Price:" . "</strong>" . "<br />" . "&#8364; " .$TotalPrice .  "<br /><br />";

 

However, this was giving a total of 9.80 even when nothing was selected!

[Muddy_Funster]

erm...why didn't you name your hidden fields for the sizes the same way you did for your types?

[Dimplistic]

I have tried a few different things but can't seem to get it to work properly!

[Muddy_Funster]

what did you try in the way of arrays?

 

oh, and is your form page an html page or a php one?

[Dimplistic]

I made an attempt at an array but it gave me all sorts of error messages.  For the names of each radiobutton I place [] at the end and in the php page I tried an if statement that echoed Latteprice  + sizeprice[0] etc

 

The form is on an html page and when submitted it goes to an order.php page.

 

http://www.dairegoodwin.ie/auth2/slideform/

[Dimplistic]

Do you think it would be easier to leave out the hidden fields for the prices and just produces the prices in the php?

[Muddy_Funster]

that's what I'm thinkning.  hard code your prices into an array with keys that = radio button values and then use them to work out the prices, something a little like:

$pricelist_coffe = array('Latte'=> '2.15', 'Mocha'=> '2.25'....);
...
$cost = 0;
foreach($pricelist_coffe as $key => $value){
if ($key == $_POST['coffe']]){
$cost = $cost+$value;
}
}

[PFMaBiSmAd]

If this was a real application, you would display the price on the form, but you would not pass the actual price through the form. You would only perform a calculation using price information that is completely server-side.

[Dimplistic]

that's what I'm thinkning.  hard code your prices into an array with keys that = radio button values and then use them to work out the prices, something a little like:

$pricelist_coffe = array('Latte'=> '2.15', 'Mocha'=> '2.25'....);
...
$cost = 0;
foreach($pricelist_coffe as $key => $value){
if ($key == $_POST['coffe']]){
$cost = $cost+$value;
}
}

 

Thanks for that.  I tried using it but it didn't work.  I am sure I am doing it wrong. 

[Dimplistic]

If this was a real application, you would display the price on the form, but you would not pass the actual price through the form. You would only perform a calculation using price information that is completely server-side.

 

I think I will try removing the hidden fields containing the prices and see if I work it into the php page.