title: PHP json_decode() Output : Object vs Array?
body: <p>For the function <code>json_decode()</code>, there are 2 options of output, JSON Object or Array. </p>
  
  <pre><code>$obj = json_decode($json_string, false);
  </code></pre>
  
  <p>or </p>
  
  <pre><code>$array = json_decode($json_string, true);
  </code></pre>
  
  <p>Which type performs better ?</p>