title: What does ":" mean in PHP?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong>
    <a href="https://stackoverflow.com/questions/2908095">What is “:” in PHP?</a></p>
  </blockquote>
  
  
  
  <p>What does the <code>:</code> mean in the following PHP code?</p>
  
  <pre><code>&lt;?php
      while (have_posts()) : the_post();
  ?&gt;
  </code></pre>