Corrected the heading syntax in README and Issue #6

README.md

@@ -1,11 +1,12 @@
-#SendOTP - PHP SDK
+# SendOTP - PHP SDK
 
 This SDK allows you to connect to SendOTP server from your php app. To start off, follow the following guide:
 
 [![MIT Licence](https://badges.frapsoft.com/os/mit/mit.png?v=103)](https://opensource.org/licenses/mit-license.php)
+
 [![forthebadge](http://forthebadge.com/images/badges/built-by-developers.svg)](http://forthebadge.com)
 
-##Set-up:
+## Set-up:
 
 First of all, download the sdk by composer:
 
@@ -29,7 +30,7 @@ Once required, the last step is to initialize the SDK with your project name and
 
 That's all, your SDK is set up! You can now use any block by copying the code snippet from the marketplace.
 
-##Usage:
+## Usage:
 
     print_r($otp->send('91998153xxxx', 'MSGIND'));
 
@@ -43,11 +44,11 @@ The printed result will be:
     )
 
 
-##Issues:
+## Issues:
 
 As this is a pre-release version of the SDK, you may expirience bugs. Please report them in the issues section to let us know. You may use the intercom chat on https://msg91.com for support at any time.
 
-##Licence:
+## Licence:
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

src/sendotp/sendotp.php

@@ -50,12 +50,13 @@ public function send($contactNumber, $senderId, $otp=null) {
         $requestArgs["otp"]=$otp;
         $this->message=$requestArgs["message"];
         $response  = $this->call("sendotp.php", $requestArgs);
-        if($response["type"]=="success"){
-          $response["otp"]=$requestArgs["otp"];
-        }
-        else{
-          $response["otp"]="";
-        }
+        if (array_key_exists("type",$response)){
+            if($response["type"]=="success"){
+              $response["otp"]=$requestArgs["otp"];
+            }
+        }else{
+              $response["otp"]="";
+            }
         return $response;
     }