title: How to resize PNG image to specified size (kb)
body: <p>With jpg image, i can do this for resize image length to 200kb:</p>
  <pre><code>$imagickObject-&gt;setOption('jpeg:extent', &quot;200kb&quot;);
  </code></pre>
  <p>But i can't found solution for png image.</p>
  <pre><code>$imagickObject-&gt;setOption('png:extent', &quot;200kb&quot;); not work 
  </code></pre>
  <p>Anyone have a solution?</p>
  <p>Please help.</p>