Paypal Pro use in php for payment gateway

Implement payment gateway in your site using paypal pro account. use below script by changing some variable and value






<?php



$paymentType = $this->input->post('paymentType');

  $creditCardType= $this->input->post('creditCardType'); //Contain information about card type

  $creditCardNumber = $this->input->post('creditCardNumber'); //contain information about no of card

  $expDateMonth = $this->input->post('expDateMonth'); //contain information about expire month of card

  $expDateYear = $this->input->post('expDateYear'); //contain information about expire year of card

  $cvv2Number = $this->input->post('cvv2Number'); //contain security code of card which is card dependent

  $firstname =$this->input->post('user_fname'); //customer first name

  $lastname= $this->input->post('user_lname'); //customer last name

  $addr=   $this->input->post('address'); //customer postal address 1

  $addr1=   $this->input->post('address1'); //customer postal address 2

  $city =   $this->input->post('city'); //customer postal address city

  $state =   $this->input->post('state');


$zipcode =   $this->input->post('user_postalcode'); //customer postal code

  $phone =   $this->input->post('phone'); //customer phone no

  $email=   $this->input->post('user_email'); //customer Email address

  $package=   $this->input->post('pack'); //customer pack information if needed

  $a=explode('-',$package);

  $cochid = $a[0];

  $amount = $a[1]; //amount to pay

  $address1=$addr.$addr1;

 

 

 

 

  define('API_USERNAME', 'paypal_pro_user name');

  define('API_PASSWORD', 'paypal_pro_user password');

  define('API_SIGNATURE', 'paypal given id');

  define('API_ENDPOINT', 'https://api-3t.sandbox.paypal.com/nvp');

  define('USE_PROXY',FALSE);

  define('PROXY_HOST', '127.0.0.1');

  define('PROXY_PORT', '808');

  define('PAYPAL_URL', 'https://www.sandbox.paypal.com/webscr&cmd=_express-checkout&token=');

  define('VERSION', '53.0');




session_start();


/**

  * hash_call: Function to perform the API call to PayPal using API signature

  * @methodName is name of API  method.

  * @nvpStr is nvp string.

  * returns an associtive array containing the response from the server.

  */




function hash_call($methodName,$nvpStr)

  {

  ini_set('max_execution_time', 300);

  //declaring of global variables

 

  global $API_Endpoint,$version,$API_UserName,$API_Password,$API_Signature,$nvp_Header;

  $API_UserName=API_USERNAME;




$API_Password=API_PASSWORD;




$API_Signature=API_SIGNATURE;




$API_Endpoint =API_ENDPOINT;




$version=VERSION;

  

  //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);

  //if USE_PROXY constant set to TRUE in Constants.php, then only proxy will be enabled.

  //Set proxy name to PROXY_HOST and port number to PROXY_PORT in constants.php

 

  if(USE_PROXY)

  //echo CURLOPT_PROXY;

  curl_setopt ($ch, CURLOPT_PROXY, PROXY_HOST.":".PROXY_PORT);

 

 

  //NVPRequest for submitting to server

  //echo $version;

  $nvpreq="METHOD=".urlencode($methodName)."&VERSION=".urlencode($version)."&PWD=".urlencode($API_Password)."&USER=".urlencode($API_UserName)."&SIGNATURE=".urlencode($API_Signature).$nvpStr;

 

  //setting the nvpreq as POST FIELD to curl

  //CURLOPT_POSTFIELDS;

  curl_setopt($ch,CURLOPT_POSTFIELDS,$nvpreq);

 

  //getting response from server

  $response = curl_exec($ch);

  // echo gettype($response);

  //echo "lkj"; die;

  //convrting NVPResponse to an Associative Array

  $nvpResArray=deformatNVP($response);

 

  $nvpReqArray=deformatNVP($nvpreq);

  //print_r($nvpReqArray);

  $_SESSION['nvpReqArray']=$nvpReqArray;

 

  if (curl_errno($ch)) {

 

  // moving to display page to display curl errors

  echo $_SESSION['curl_error_no']=curl_errno($ch) ;

  echo $_SESSION['curl_error_msg']=curl_error($ch); die;

 

  $location = "APIError.php";

  header("Location: $location");

  } else {

  //closing the curl

  curl_close($ch);

  }

 

  return $nvpResArray;

  }


/** This function will take NVPString and convert it to an Associative Array and it will decode the response.

  * It is usefull to search for a particular key and displaying arrays.

  * @nvpstr is NVPString.

  * @nvpArray is Associative Array.

  */


function deformatNVP($nvpstr)

  {

 

  $intial=0;

  $nvpArray = array();

 

 

  while(strlen($nvpstr)){

  //postion of Key

  $keypos= strpos($nvpstr,'=');

  //position of value

  $valuepos = strpos($nvpstr,'&') ? strpos($nvpstr,'&'): strlen($nvpstr);

 

  /*getting the Key and Value values and storing in a Associative Array*/

  $keyval=substr($nvpstr,$intial,$keypos);

  $valval=substr($nvpstr,$keypos+1,$valuepos-$keypos-1);

  //decoding the respose

  $nvpArray[urldecode($keyval)] =urldecode( $valval);

  $nvpstr=substr($nvpstr,$valuepos+1,strlen($nvpstr));

  }

  return $nvpArray;

  }

 

  $paymentType =urlencode( $this->input->post('paymentType'));

  $firstname =urlencode($firstname);

  $lastName =urlencode($lastname);

  $creditCardType =urlencode($creditCardType);

  $creditCardNumber = urlencode($creditCardNumber);

  $expDateMonth =urlencode( $this->input->post('expDateMonth'));

 

  // Month must be padded with leading zero

  $padDateMonth = str_pad($expDateMonth, 2, '0', STR_PAD_LEFT);

 

  $expDateYear =urlencode( $this->input->post('expDateYear'));

  $cvv2Number = urlencode($this->input->post('cvv2Number'));

  $address1 = urlencode($address1);

  //$address2 = urlencode($this->input->post('address2'));

  $city = urlencode($city);

  $state =urlencode($state);

  $zipcode = urlencode($zipcode);

  $amount = urlencode($amount);

  //$currencyCode=urlencode($_POST['currency']);

  $currencyCode="USD";

  $paymentType=urlencode($this->input->post('paymentType'));

  $nvpstr="&PAYMENTACTION=$paymentType&AMT=$amount&CREDITCARDTYPE=$creditCardType&ACCT=$creditCardNumber&EXPDATE=".$padDateMonth.$expDateYear."&CVV2=$cvv2Number&FIRSTNAME=$firstname&LASTNAME=$lastname&STREET=$address1&CITY=$city&STATE=$state".

  "&ZIP=$zipcode&COUNTRYCODE=US&CURRENCYCODE=$currencyCode";

  //print_r($nvpstr);

  /* Make the API call to PayPal, using API signature.

  The API response is stored in an associative array called $resArray */

  $resArray=hash_call("doDirectPayment",$nvpstr);

  ///print_r($resArray);

  /* Display the API response back to the browser.

  If the response from PayPal was a success, display the response parameters'

  If the response was an error, display the errors received using APIError.php.

  */

  $this->view->data12=$resArray;

 

  /*$uid= $this->session->userdata('user_login_id');

  $q=$this->db->query("select email from user_account where uid=$uid");

  $row=$q->result_array();

  $date1=date('d/m/y');


//$data=array('id'=>$id,'user_name'=>$firstName,'Payment'=>$amount,'date'=>$date1);

  mysql_query("insert into balboa_transaction('uid','user_name','Payment','date','email')values($uid,'$firstName','$amount','$date1','$row[0]['email']')");

  //$this->db->insert('balboa_transaction',$data);

  //   $this->db->query("insert into balboa_transaction ('id','user_name','Payment','date')values('$id','".$firstName."','".$amount."','$date1')"); die;*/

  $ack = strtoupper($resArray["ACK"]);

  //echo $ack;

  if($ack=='FAILURE'){

  ///$this->load->view('home/thanks');

  $this->load->view('errorpage');

  }

  else{

  $this->load->view('success page');

  }

?>