title: How to get single value from stdClass Object
body: <p>I have this standard class object:</p>
  
  <pre><code>stdClass Object
  (
      [access_token] =&gt; EAAYX7VzZCIcABAGCnZADQJZBhXvaJ5eIJ34mNyIKLnFpbInEEZBJJJjjYunzsIBidrZARbZCUr68L66RVoiIgkcj9NW4Ssl1X7
      [token_type] =&gt; bearer
      [expires_in] =&gt; 5162059
  )
  </code></pre>
  
  <p>I want to get value of <code>access_token</code>:
   <code>EAAYX7VzZCIcABAGCnZADQJZBhXvaJ5eIJ34mNyIKLnFpbInEEZBJJJjjYunzsIBidrZARbZCUr68L66RVoiIgkcj9NW4Ssl1X7</code></p>