title: What does $k => $v in foreach($ex as $k=>$v) mean?
body: <blockquote>
    <p><strong>Possible Duplicates:</strong><br>
    <a href="https://stackoverflow.com/questions/1241819">What does “=>” mean in PHP?</a></p>
  </blockquote>
  
  
  
  <p>What does <code>$k =&gt; $v</code> mean?</p>