Phonepe Integration code is Core PHP

 

<?php ob_start();

if (isset($_POST['pay_by_phone_pe'])) {

//production

$phone_pay_merchant_id = 'id';

$phone_pay_secret_key = 'eedd02bf-d18a-462d-a3bd-d93d5b3116aEYE';

//testing

//$phone_pay_merchant_id = 'PGTESTPAYUAT';

//$phone_pay_secret_key = '099eb0cd-02cf-4e2a-8aca-3e6c6aff0399';

$amount = $_POST['amount'];

$currency = 'INR';

$transaction_id = uniqid();

  $merchantKey = 'eedd02bf-d18a-462d-a3bd-d93d5b3116aEYE';

  $data = array(

      "merchantId" => "ID",

      "merchantTransactionId" => $transaction_id,

      "merchantUserId" => "1",

      "amount" => $amount*100,

         "redirectUrl" => $_POST['return'],

      "redirectMode" => "POST",

      "callbackUrl" => $_POST['return'],

      "mobileNumber" => "9825454588",

      "paymentInstrument" => array(

          "type" => "PAY_PAGE"

      )

  );

  // Convert the Payload to JSON and encode as Base64

  $payloadMain = base64_encode(json_encode($data));

  $payload = $payloadMain."/pg/v1/pay".$merchantKey;

  $Checksum = hash('sha256', $payload);

  $Checksum = $Checksum.'###1';

// X-VERIFY  - SHA256(base64 encoded payload + "/pg/v1/pay" + salt key) + ### + salt index

 

  $curl = curl_init();

  curl_setopt_array($curl, [

    CURLOPT_URL => "https://api.phonepe.com/apis/hermes/pg/v1/pay",

    

    CURLOPT_RETURNTRANSFER => true,

    CURLOPT_ENCODING => "",

    CURLOPT_MAXREDIRS => 10,

    CURLOPT_TIMEOUT => 30,

    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,

    CURLOPT_CUSTOMREQUEST => "POST",

    CURLOPT_POSTFIELDS => json_encode([

      'request' => $payloadMain

    ]),

    CURLOPT_HTTPHEADER => [

      "Content-Type: application/json",

      "X-VERIFY: ".$Checksum,

      "accept: application/json"

    ],

  ]);

  $response = curl_exec($curl);

  $err = curl_error($curl);

  curl_close($curl);

  if ($err) {

      //   echo "cURL Error #:" . $err;

      header('Location: paymentfailed.php?cURLError='.$err);

  } else {

      

      echo $response;

      $responseData = json_decode($response, true);

      $url = $responseData['data']['instrumentResponse']['redirectInfo']['url'];

      header('Location: '.$url);

  }

}

?>