anchor.diff:  '''
   {% endhighlight %}
   
  -</div>
  -
  -<div data-lang="PHP SDK">
  -
  -{% highlight php %}
  +```
  +  </div>
  +  <div data-tab="PHP SDK" data-lang="php">
  +```php
  +
   <?php
   require_once("vendor/autoload.php");
   use predictionio\EventClient;
  
positive.code:   }
    "eventTime" : <TIME OF THIS EVENT>
  }'
  {% endhighlight %}
  
  </div>
  </div>
  
  You may use the sample data from MLlib repo for demonstration purpose. Execute
  
negative.code: 
  ?>
  {% endhighlight %}
  ```
    </div>
    <div data-tab="Ruby SDK" data-lang="ruby">
  ```ruby
  # Create a client object.
  client = PredictionIO::EventClient.new(<ACCESS KEY>, <URL OF EVENTSERVER>)
  
  