title: Does this work with DeleteAll in yii 2
body: <p>Does this syntax work for Yii 2 Delete all query?</p>
  
  <pre><code>Model::deleteAll('something is NULL &amp;&amp; something2 is NULL');
  </code></pre>
  
  <p>Basically I want it to only delete the rows that match both something is null and something2 is null.</p>
  
  <p>Thanks in advance!</p>