title: Playing a random Youtube video from a predefined php array list
body: <p>So i want to play a video from a array list in php.
  This is what i got now, tough i tried everything but it doesnt want to work,</p>
  
  <pre><code>&lt;div id="random_video"&gt;
    &lt;?php 
      $strings= array('5mPggfOb6Us', '3oT9PQcFZKc', 'wCA6jCUbaFQ', 'zi3ZWe_kTHU', 'zISkHobZ8OM');
      $random_str = $strings[array_rand($strings)];
    ?&gt;
    &lt;iframe width="329" height="185" src="//www.youtube.com/embed/&lt;?php $random_str ?&gt;?rel=0" frameborder="0" allowfullscreen&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>Thanks for help in advance! :)</p>