how to integrate paypal pdt, eform, and eform2db ?

[!eForm? &formid=`bikeForm` &subject=`[+subject+]` &to=`[email protected]` &ccsender=`1` &tpl=`prepaidContact` &report=`ContactFormReport` &invalidClass=`invalidValue` &requiredClass=`requiredValue` &cssStyle=`ContactStyles` &gotoid=`181`  !]
[[multiFormFunctions]]  

 <form method="post" action="[~181~]" id="bikeForm" name="bikeForm">

		
<input type="hidden"  name="subject" value="Bike Reservation" id="cfRegarding" eform="Form Subject::1" value="Bike Reservation"> 
		<input name="formid" type="hidden" value="bikeForm" />
<fieldset>
<input type="hidden" name="formStep" value="1" />
<legend>Contact Information <strong>all fields are required</strong> </legend>
		<p><label for="first_name">Your first name:
		<input name="first_name" id="first_name"  class="text" type="text" eform="Your Name::1:" /> </label></p>
		
		<p><label for="last_name">Your last name:
		<input name="last_name" id="last_name"  class="text" type="text" eform="Your Name::1:" /> </label></p>

		<p><label for="address1">Your Home Street Address:
		<input name="address1" id="address1"  class="text" type="text" eform="Your Home Street Address::1:" /> </label></p>
		
		<p><label for="city">City:
		<input name="city" id="city"  class="text" type="text" eform="Your Home City::1:" /> </label></p>
		
		<p><label for="state">State:
		<input name="state" id="state" class="text" type="text" eform="state::1:" /> </label></p>
		
		<p><label for="zip">Zip:
		<input name="zip" id="zip" class="text" type="text" eform="zip::1:" /> </label></p>
		
		<p><label for="country">Country:
		<input name="country" id="country" class="text" type="text" eform="country::1:" /> </label></p>
		
		<p><label for="islandAddress">Your Island Address:
		<input name="islandAddress" id="islandAddress" class="text" type="text" eform="Your Island Address::1:" /> </label></p>
		
		<p><label for="email">Your Email Address:
		<input name="email" id="email" class="text" type="text" eform="Email Address:email:1" /> </label></p>
		
		<p><label for="homePhone">Home Phone:
		<input name="homePhone" id="homePhone" class="text" type="text" eform="Home Phone:1" /> </label>   
		<label for="cellPhone">Cell Phone:
		<input name="cellPhone" id="cellPhone" class="text" type="text" eform="Cell Phone:1" /> </label>
</fieldset>
<fieldset><legend>Rental info <strong>all fields are required</strong></legend>
<p><label for="cfpickup">Start Date and Time <strong>You'll choose the length of rental on the next step.</strong></label>
<select id="startMonth" onkeypress="return handleEnter(this, event)" name="startMonth" size="1"  eform="startMonth:date:1"
<option selected="65535">Month</option> 
<option value="">Month</option>
<option value="03">March</option> 
<option value="04">April</option> 
<option value="05">May</option> 
<option value="06">June</option> 
<option value="07">July</option> 
<option value="08">August</option> 
<option value="09">September</option> 
<option value="10">October</option> 
<option value="11">November</option> 
<option value="12">December</option></select> 


<select id="startDay" onkeypress="return handleEnter(this, event)" name="startDay" size="1"> <option selected="65535">day</option> 

<option value="01">01</option> 
<option value="02">02</option> 
<option value="03">03</option> 
<option value="04">04</option> 
<option value="05">05</option> 
<option value="06">06</option> 
<option value="07">07</option> 
<option value="08">08</option> 
<option value="09">09</option> 
<option value="10">10</option> 
<option value="11">11</option> 
<option value="12">12</option> 
<option value="13">13</option> 
<option value="14">14</option> 
<option value="15">15</option> 
<option value="16">16</option> 
<option value="17">17</option> 
<option value="18">18</option> 
<option value="19">19</option> 
<option value="20">20</option> 
<option value="21">21</option> 
<option value="22">22</option> 
<option value="23">23</option> 
<option value="24">24</option> 
<option value="25">25</option> 
<option value="26">26</option> 
<option value="27">27</option> 
<option value="28">28</option> 
<option value="29">29</option> 
<option value="30">30</option> 
<option value="31">31</option></select>


		<select name="startTime" id="startTime" onkeypress="return handleEnter(this, event)" size="1" eform="startTime::1:" /> 
<option value="">time</option> <option value="9-10">9:00-10:00 AM</option> 
<option value="10-11">10:00-11:00 AM</option> 
<option value="11-12">11:00-NOON</option> 
<option value="12-1">12:00-1:00 PM</option> 
<option value="1-2">1:00-2:00 PM</option> 
<option value="2-3">2:00-3:00 PM</option> 
<option value="3-4">3:00-4:00 PM</option> 
<option value="4-5">4:00-5:00 PM</option> 
</select></p>

</fieldset>

<fieldset>
<legend>Delivery</legend>
 <p><label for="Name">I need my bicycles delivered / Picked up.  
		<input name="delivery" id="delivery"  value="Yes" type="checkbox" /> </label></p>
<p>I also understand that there might be fees associated with having my bicycles picked up and or dropped off.  I also understand that I need to be present in order to receive the bikes at the time of rental and that Young's Bicycle Shop will not deliver the bikes unless I'm there.</p>
<p><label> </label><input type="submit" name="contact" id="cfContact" class="button" value="Continue to bike choices" /></p>


</fieldset>
</form> 

  
<?php
// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-synch';

$tx_token = $_GET['tx'];
$auth_token = "62nLcAT8G0Sd8sx7pzxxxxxxxxxxxxxxxxxxxxxxx";
$req .= "&tx=$tx_token&at=$auth_token";

// post back to PayPal system to validate
$header .= "POST /cgi-bin/webscr HTTP/1.0\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
$fp = fsockopen ('www.paypal.com', 80, $errno, $errstr, 30);
// If possible, securely post back to paypal using HTTPS
// Your PHP server will need to be SSL enabled
// $fp = fsockopen ('ssl://www.paypal.com', 443, $errno, $errstr, 30);

if (!$fp) {
// HTTP ERROR
} else {
fputs ($fp, $header . $req);
// read the body data
$res = '';
$headerdone = false;
while (!feof($fp)) {
$line = fgets ($fp, 1024);
if (strcmp($line, "\r\n") == 0) {
// read the header
$headerdone = true;
}
else if ($headerdone)
{
// header has been read. now read the contents
$res .= $line;
}
}

// parse the data
$lines = explode("\n", $res);
$keyarray = array();
if (strcmp ($lines[0], "SUCCESS") == 0) {
for ($i=1; $i<count($lines);$i++){
list($key,$val) = explode("=", $lines[$i]);
$keyarray[urldecode($key)] = urldecode($val);
}
// check the payment_status is Completed
// check that txn_id has not been previously processed
// check that receiver_email is your Primary PayPal email
// check that payment_amount/payment_currency are correct
// process payment
$firstname = $keyarray['first_name'];
$lastname = $keyarray['last_name'];
$itemname = $keyarray['item_name'];
$amount = $keyarray['payment_gross'];

return ("<p><h3>Thank you for your purchase!</h3></p>");

return ("<b>Payment Details</b><br>\n");
return ("<li>Name: $firstname $lastname</li>\n");
return ("<li>Item: $itemname</li>\n");
return ("<li>Amount: $amount</li>\n");
return ("");
}
else if (strcmp ($lines[0], "FAIL") == 0) {
// log for manual investigation
}

}

fclose ($fp);



<p>Your transaction has been completed, and a receipt for your purchase has been emailed to you.<br> You may log into your account at <a href='https://www.paypal.com'>www.paypal.com</a> to view details of this transaction.<br></p>
?>

[[paypalReturn]]