• Paypal Recurring Payment with php

    Paypal Recurring Payment with php

    Here, i have php script for recurring payment with paypal.

    You can do recurring payment with this script. Here i have defined step for this.

     

    Step 1 :
    Please copy this code and create new file with “class.paypal.recurring.php” name.

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    <!--?php
    class paypal_recurring{
     
    function setExpressCheckout()
    {
     
    $environment=$this--->environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
     
    // Add request-specific fields to the request string.
    $nvpStr = "&amp;Amt=$paymentAmount&amp;ReturnUrl=$returnURL&amp;CANCELURL=$cancelURL&amp;PAYMENTACTION=$paymentType&amp;CURRENCYCODE=$currencyID";
     
    // Execute the API operation; see the PPHttpPost function above.
    $httpParsedResponseAr = $this-&gt;fn_setExpressCheckout('SetExpressCheckout', $nvpStr);
     
    if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"])) {
    // Redirect to paypal.com.
    $token = urldecode($httpParsedResponseAr["TOKEN"]);
    $payPalURL = "https://www.paypal.com/webscr&amp;cmd=_express-checkout&amp;token=$token";
    if("sandbox" === $environment || "beta-sandbox" === $environment) {
    $payPalURL = "https://www.$environment.paypal.com/webscr&amp;cmd=_express-checkout&amp;token=$token";
    }
    header("Location: $payPalURL");
    exit;
    } else {
    exit('SetExpressCheckout failed: ' . print_r($httpParsedResponseAr, true));
    }
     
    }
     
    function getExpressCheckout()
    {
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
    // Obtain the token from PayPal.
    if(!array_key_exists('token', $_REQUEST)) {
    exit('Token is not received.');
    }
     
    // Set request-specific fields.
    $token = urlencode(htmlspecialchars($_REQUEST['token']));
     
    // Add request-specific fields to the request string.
    $nvpStr = "&amp;TOKEN=$token";
     
    // Execute the API operation; see the PPHttpPost function above.
    $httpParsedResponseAr = $this-&gt;fn_getExpressCheckout('GetExpressCheckoutDetails', $nvpStr);
     
    if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"])) {
    // Extract the response details.
    $payerID = $httpParsedResponseAr['PAYERID'];
    $street1 = $httpParsedResponseAr["SHIPTOSTREET"];
    if(array_key_exists("SHIPTOSTREET2", $httpParsedResponseAr)) {
    $street2 = $httpParsedResponseAr["SHIPTOSTREET2"];
    }
    $city_name = $httpParsedResponseAr["SHIPTOCITY"];
    $state_province = $httpParsedResponseAr["SHIPTOSTATE"];
    $postal_code = $httpParsedResponseAr["SHIPTOZIP"];
    $country_code = $httpParsedResponseAr["SHIPTOCOUNTRYCODE"];
     
    $this-&gt;doExpressCheckout($payerID,$token);
     
    // exit('Get Express Checkout Details Completed Successfully: '.print_r($httpParsedResponseAr, true));
    } else {
    exit('GetExpressCheckoutDetails failed: ' . print_r($httpParsedResponseAr, true));
    }
     
    }
     
    function doExpressCheckout($payerID,$token)
    {
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;$API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
     
    // Add request-specific fields to the request string.
    $nvpStr = "&amp;TOKEN=$token&amp;PAYERID=$payerID&amp;PAYMENTACTION=$paymentType&amp;AMT=$paymentAmount&amp;CURRENCYCODE=$currencyID";
     
    // Execute the API operation; see the PPHttpPost function above.
    $httpParsedResponseAr = $this-&gt;fn_doExpressCheckout('DoExpressCheckoutPayment', $nvpStr);
     
    if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"])) {
     
    createRecurringPaymentsProfile($token);
     
    exit('Express Checkout Payment Completed Successfully: '.print_r($httpParsedResponseAr, true));
    } else {
    exit('DoExpressCheckoutPayment failed: ' . print_r($httpParsedResponseAr, true));
    }
    }
     
    function createRecurringPaymentsProfile($token)
    {
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
    $billingPeriod=$this-&gt;billingPeriod;
    $billingFreq=$this-&gt;billingFreq;
     
    $token = $_REQUEST['token'];
     
    $nvpStr="&amp;TOKEN=$token&amp;AMT=$paymentAmount&amp;CURRENCYCODE=$currencyID&amp;PROFILESTARTDATE=$startDate";
    $nvpStr .= "&amp;BILLINGPERIOD=$billingPeriod&amp;BILLINGFREQUENCY=$billingFreq";
     
    $httpParsedResponseAr = $this-&gt;fn_createRecurringPaymentsProfile('CreateRecurringPaymentsProfile', $nvpStr);
     
    if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"])) {
    exit('CreateRecurringPaymentsProfile Completed Successfully: '.print_r($httpParsedResponseAr, true));
    } else {
    exit('CreateRecurringPaymentsProfile failed: ' . print_r($httpParsedResponseAr, true));
    }
     
    }
     
    function fn_createRecurringPaymentsProfile($methodName_, $nvpStr_)
    {
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
    $version = urlencode('51.0');
     
    // setting the curl parameters.
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $API_Endpoint);
    curl_setopt($ch, CURLOPT_VERBOSE, 1);
     
    // turning off the server and peer verification(TrustManager Concept).
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
     
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
     
    // NVPRequest for submitting to server
    $nvpreq = "METHOD=$methodName_&amp;VERSION=$version&amp;PWD=$API_Password&amp;USER=$API_UserName&amp;SIGNATURE=$API_Signature$nvpStr_";
     
    // setting the nvpreq as POST FIELD to curl
    curl_setopt($ch, CURLOPT_POSTFIELDS, $nvpreq);
     
    // getting response from server
    $httpResponse = curl_exec($ch);
     
    if(!$httpResponse) {
    exit("$methodName_ failed: ".curl_error($ch).'('.curl_errno($ch).')');
    }
     
    // Extract the RefundTransaction response details
    $httpResponseAr = explode("&amp;", $httpResponse);
     
    $httpParsedResponseAr = array();
    foreach ($httpResponseAr as $i =&gt; $value) {
    $tmpAr = explode("=", $value);
    if(sizeof($tmpAr) &gt; 1) {
    $httpParsedResponseAr[$tmpAr[0]] = $tmpAr[1];
    }
    }
     
    if((0 == sizeof($httpParsedResponseAr)) || !array_key_exists('ACK', $httpParsedResponseAr)) {
    exit("Invalid HTTP Response for POST request($nvpreq) to $API_Endpoint.");
    }
     
    return $httpParsedResponseAr;
    }
     
    function fn_setExpressCheckout($methodName_, $nvpStr_) {
     
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
     
    if("sandbox" === $environment || "beta-sandbox" === $environment) {
    $API_Endpoint = "https://api-3t.$environment.paypal.com/nvp";
    }
    $version = urlencode('51.0');
     
    // Set the curl parameters.
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $API_Endpoint);
    curl_setopt($ch, CURLOPT_VERBOSE, 1);
     
    // Turn off the server and peer verification (TrustManager Concept).
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
     
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
     
    // Set the API operation, version, and API signature in the request.
    $nvpreq = "METHOD=$methodName_&amp;VERSION=$version&amp;PWD=$API_Password&amp;USER=$API_UserName&amp;SIGNATURE=$API_Signature$nvpStr_";
     
    // Set the request as a POST FIELD for curl.
    curl_setopt($ch, CURLOPT_POSTFIELDS, $nvpreq);
     
    // Get response from the server.
    $httpResponse = curl_exec($ch);
     
    if(!$httpResponse) {
    exit("$methodName_ failed: ".curl_error($ch).'('.curl_errno($ch).')');
    }
     
    // Extract the response details.
    $httpResponseAr = explode("&amp;", $httpResponse);
     
    $httpParsedResponseAr = array();
    foreach ($httpResponseAr as $i =&gt; $value) {
    $tmpAr = explode("=", $value);
    if(sizeof($tmpAr) &gt; 1) {
    $httpParsedResponseAr[$tmpAr[0]] = $tmpAr[1];
    }
    }
     
    if((0 == sizeof($httpParsedResponseAr)) || !array_key_exists('ACK', $httpParsedResponseAr)) {
    exit("Invalid HTTP Response for POST request($nvpreq) to $API_Endpoint.");
    }
     
    return $httpParsedResponseAr;
    }
     
    function fn_getExpressCheckout($methodName_, $nvpStr_)
    {
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
    if("sandbox" === $environment || "beta-sandbox" === $environment) {
    $API_Endpoint = "https://api-3t.$environment.paypal.com/nvp";
    }
    $version = urlencode('51.0');
     
    // Set the curl parameters.
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $API_Endpoint);
    curl_setopt($ch, CURLOPT_VERBOSE, 1);
     
    // Turn off the server and peer verification (TrustManager Concept).
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
     
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
     
    // Set the API operation, version, and API signature in the request.
    $nvpreq = "METHOD=$methodName_&amp;VERSION=$version&amp;PWD=$API_Password&amp;USER=$API_UserName&amp;SIGNATURE=$API_Signature$nvpStr_";
     
    // Set the request as a POST FIELD for curl.
    curl_setopt($ch, CURLOPT_POSTFIELDS, $nvpreq);
     
    // Get response from the server.
    $httpResponse = curl_exec($ch);
     
    if(!$httpResponse) {
    exit('$methodName_ failed: '.curl_error($ch).'('.curl_errno($ch).')');
    }
     
    // Extract the response details.
    $httpResponseAr = explode("&amp;", $httpResponse);
     
    $httpParsedResponseAr = array();
    foreach ($httpResponseAr as $i =&gt; $value) {
    $tmpAr = explode("=", $value);
    if(sizeof($tmpAr) &gt; 1) {
    $httpParsedResponseAr[$tmpAr[0]] = $tmpAr[1];
    }
    }
     
    if((0 == sizeof($httpParsedResponseAr)) || !array_key_exists('ACK', $httpParsedResponseAr)) {
    exit("Invalid HTTP Response for POST request($nvpreq) to $API_Endpoint.");
    }
     
    return $httpParsedResponseAr;
     
    }
     
    function fn_doExpressCheckout($methodName_, $nvpStr_)
    {
    $environment=$this-&gt;environment;
    $API_UserName=$this-&gt;API_UserName;
    $API_Password=$this-&gt;API_Password;
    $API_Signature=$this-&gt;API_Signature;
    $API_Endpoint=$this-&gt;API_Endpoint;
    $paymentAmount=$this-&gt;paymentAmount;
    $currencyID=$this-&gt;currencyID;
    $paymentType=$this-&gt;paymentType;
    $returnURL=$this-&gt;returnURL;
    $cancelURL=$this-&gt;cancelURL;
    $startDate=$this-&gt;startDate;
     
    if("sandbox" === $environment || "beta-sandbox" === $environment) {
    $API_Endpoint = "https://api-3t.$environment.paypal.com/nvp";
    }
    $version = urlencode('51.0');
     
    // setting the curl parameters.
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $API_Endpoint);
    curl_setopt($ch, CURLOPT_VERBOSE, 1);
     
    // Set the curl parameters.
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
     
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
     
    // Set the API operation, version, and API signature in the request.
    $nvpreq = "METHOD=$methodName_&amp;VERSION=$version&amp;PWD=$API_Password&amp;USER=$API_UserName&amp;SIGNATURE=$API_Signature$nvpStr_";
     
    // Set the request as a POST FIELD for curl.
    curl_setopt($ch, CURLOPT_POSTFIELDS, $nvpreq);
     
    // Get response from the server.
    $httpResponse = curl_exec($ch);
     
    if(!$httpResponse) {
    exit('$methodName_ failed: '.curl_error($ch).'('.curl_errno($ch).')');
    }
     
    // Extract the response details.
    $httpResponseAr = explode("&amp;", $httpResponse);
     
    $httpParsedResponseAr = array();
    foreach ($httpResponseAr as $i =&gt; $value) {
    $tmpAr = explode("=", $value);
    if(sizeof($tmpAr) &gt; 1) {
    $httpParsedResponseAr[$tmpAr[0]] = $tmpAr[1];
    }
    }
     
    if((0 == sizeof($httpParsedResponseAr)) || !array_key_exists('ACK', $httpParsedResponseAr)) {
    exit("Invalid HTTP Response for POST request($nvpreq) to $API_Endpoint.");
    }
     
    return $httpParsedResponseAr;
    }
     
    }
     
    ?&gt;
     
    Step 2 :
     
    Create new file file and copy this code.
     
    <!--?php
    include "class.paypal.recurring.php";
    $obj=new paypal_recurring;
     
    $obj--->environment = 'sandbox'; // or 'beta-sandbox' or 'live'
    $obj-&gt;paymentType = urlencode('Authorization'); // or 'Sale' or 'Order'
     
    // Set request-specific fields.
    $obj-&gt;startDate = urlencode("2011-9-6T0:0:0");
    $obj-&gt;billingPeriod = urlencode("Month"); // or "Day", "Week", "SemiMonth", "Year"
    $obj-&gt;billingFreq = urlencode("4"); // combination of this and billingPeriod must be at most a year
    $obj-&gt;paymentAmount = urlencode('10');
    $obj-&gt;currencyID = urlencode('USD'); // or other currency code ('GBP', 'EUR', 'JPY', 'CAD', 'AUD')
     
    /* PAYPAL API DETAILS */
    $obj-&gt;API_UserName = urlencode('API KEY');
    $obj-&gt;API_Password = urlencode('PASSWORD');
    $obj-&gt;API_Signature = urlencode('SIGNATURE');
    $obj-&gt;API_Endpoint = "https://api-3t.paypal.com/nvp";
     
    /*SET SUCCESS AND FAIL URL*/
    $obj-&gt;returnURL = urlencode("http://www.mysite.com/index.php?task=getExpressCheckout");
    $obj-&gt;cancelURL = urlencode('http://www.mysite.comindex.php?task=error');
     
    $task="setExpressCheckout"; //set initial task as Express Checkout
     
    switch($task)
    {
    case "setExpressCheckout":
    $obj-&gt;setExpressCheckout();
    exit;
    case "getExpressCheckout":
    $obj-&gt;getExpressCheckout();
    exit;
    case "error":
    echo "setExpress checkout failed";
    exit;
    }
     
    ?&gt;
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