title: Echo checked if checkbox is checked
body: <p>if this is my checkbox</p>
  
  <pre><code>&lt;input type="checkbox" name="Filter[]" value="Steak" id="Filter"/&gt;
  </code></pre>
  
  <p>and if checkbox is checked var_export returns me</p>
  
  <pre><code>["Filter"]=&gt; array(1) { [0]=&gt; string(7) "Steak" 
  </code></pre>
  
  <p>how do I echo "checked=checked" if checkbox is checked?</p>