title: How to change the iframe width and height in PHP
body: <p>Can any body tell how to change the width &amp; height of iframe in php.
  in database i am saving below format.while i am displaying i want to fixed size.</p>
  
  <p>this is the iframe content</p>
  
  <pre><code>&lt;iframe width="400" height="225" src="http://www.youtube.com/embed/c7ct6pNOvEE?feature=oembed" frameborder="0" allowfullscreen&gt;&lt;/iframe&gt;
  </code></pre>
  
  <p><code>Here width &amp; height changes dynamically</code> based on site.then how to convert the width to 500 &amp; height to 350 in php</p>
  
  <p>Thanks in advance</p>