Form Validation and then to PAYPAL help

pstanbra · February 14, 2007

Hi - I've found a great little script to use as form validation. However - on my form - the action needs to be changed to PHP_SELF. Seems the form data is pushed into an array and then error checking is done on this.

In the added code, there is a section here;

  // no errors! redirect the user to the thankyou page (or whatever)
  else 
  {
   	

  }
}

So my question is - how do I send my form variables (now error checked) to www.Paypal.com/webscr

My Form Page;

<?php

$errors = array(); // set the errors array to empty, by default
$fields = array(); // stores the field values
$success_message = "";

if (isset($_POST['submit']))
{
  // import the validation library
  require("validation.php");

  $rules = array(); // stores the validation rules


  $rules[] = "range<100,number_range_less_than,Please enter a number less than 100.";

  $errors = validateFields($_POST, $rules);

  // if there were errors, re-populate the form fields
  if (!empty($errors))
  {  
    $fields = $_POST;
  }
  
  // no errors! redirect the user to the thankyou page (or whatever)
  else 
  {
   
*******need to send my form info to paypal ************

  }
}

?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>PHP Validation Demo</title>

  <style type="text/css">
  <!--
  
  body,p,table,td,input,select {
    font-family: arial;
  	font-size: 8pt;
  }
  .demoTable {
    background-color: #efefef;
    width: 400px;
  }
  .error {
    border: 1px solid red;
    background-color: #ffffee;
    color: #660000;
    width: 400px;
    padding: 5px;
  }
  .notify {
    border: 1px solid #336699;
    background-color: #ffffee;
    color: #336699;
    width: 400px;
    padding: 5px;
  }
  
  -->
  </style>

</head>
<body>

<form action="<?=$_SERVER['PHP_SELF']?>" method="post">

<p><b><u>PHP Validation Demo</u></b></p>

<p>
  This form contains all the validation options that are offered by the 
  validation.php function library. To see how the code works, <a href="file:///C|/Documents and Settings/stanbrap/Desktop/php_validation/php_validation.zip">download the
source code here</a>.
</p>

<?php

// if $errors is not empty, the form must have failed one or more validation 
// tests. Loop through each and display them on the page for the user
if (!empty($errors))
{
  echo "<div class='error'>Please fix the following errors:\n<ul>";
  foreach ($errors as $error)
    echo "<li>$error</li>\n";

  echo "</ul></div>"; 
}

if (!empty($success_message))
{
  echo "<div class='notify'>$success_message</div>";
  
}
?>

<p> </p>

<table class="demoTable">
<tr>
  <td>nter a number less than 100:</td>
<td><input type="text" name="number_range_less_than" value="<?=$fields['number_range_less_than']?>" /></td>
</tr>
</table>

<p><i>Length of field input</i></p>
<input type="hidden" name="cmd" value="_xclick">
  <input type="hidden" name="business" value="<?PHP echo $business;?>">
  <input type="hidden" name="item_name" value="Donation">
  <input type="hidden" name="item_number" value="donation">
  <input type="hidden" name="currency_code" value="<?PHP echo $currency_code;?>">
  <input type="hidden" name="notify_url" value="<?PHP echo $notify_url;?>">

  <input type="hidden" name="return" value="<?PHP echo $return;?>">
  <input type="image" src="https://www.paypal.com/en_US/i/btn/x-click-but21.gif" border="0" name="submit" alt="Make payments with PayPal - it's fast, free and secure!">
<p><input type="submit" name="submit" value="SUBMIT" /></p>

</form>

</body>
</html>

ToonMariner · February 14, 2007

you need to look at curl library - its in the manual...

http://uk2.php.net/manual/en/ref.curl.php

or you can set the headers - last one being Loction: 'paypalurl'

pstanbra · February 14, 2007

Is this really neccessary? I only want to do the same as click on submit on a form and send/POST to the paypal link.

The only difference is that my form fields are sent to PHP_self for checking - once checks are correct - the function should be the same post for to paypal

s0c0 · February 14, 2007

You should use javascript for form validation, no server load that way.

Jessica · February 14, 2007

"Is this really neccessary? I only want to do the same as click on submit on a form and send/POST to the paypal link.

The only difference is that my form fields are sent to PHP_self for checking - once checks are correct - the function should be the same post for to paypal"

So at the end of the checking, use the header('Location'); command.

"You should use javascript for form validation, no server load that way."

You can't use ONLY client-side validation, you must have some server-side.

pstanbra · February 14, 2007

So at the end of the checking, use the header('Location'); command.

Yes I did think that but simply adding that takes you to paypals page - as apposed to having fields sent to the paypal script by the form post command.

how do i use header yet send all the fields from the form now stored in the array

Jessica · February 14, 2007

Doesn't Paypal accept the fields as GET also?

pstanbra · February 14, 2007

not sure but still how do I send them.

so far i got header ('location: https://www.paypal.com/cgi-bin/webscr' .$_GET[$fields]); but this doesnt work

Jessica · February 14, 2007

you have to send them as a query string, like you do with a URL. url.com/foo.php?foo=bar&bar=foo

pstanbra · February 14, 2007

i give up - ill look at javascript

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