pay.php

<?php
    
    $name = $_POST['name'];
    $email = $_POST['email'];
    $phone = $_POST['phone'];
    $amount = $_POST['price'];

    include './instamojo/instamojo.php';
   
    $api = new Instamojo\Instamojo('test_edd5f76577b52c19eb08ebef02b','test_df6e62fa8e4e1dc3bbdcf6eed80','https://test.instamojo.com/api/1.1/');

    try {
        $response = $api->paymentRequestCreate(array(
            "purpose" => "Donation",
            "amount" => $amount,
            "send_email" => true,
            "email" => "$email",
            "buyer_name" => "$name",
            "phone" => "$phone",
            "send_sms" => true,
            "allow_repeated_payments"=> false,
            "redirect_url" => "https://careprovider.000webhostapp.com/CarerSystem/CarerSystem/thankyou.php",
            //"webhook" => ""
            ));
      //  print_r($response);
      $pay_url =$response['longurl'];
      header("location: $pay_url");
    }
    catch (Exception $e) {
        print('Error: ' . $e->getMessage());
    }

?>