title: What does operator -> mean in PHP?
body: <blockquote>
    <p><strong>Possible Duplicates:</strong> <br/>
    <a href="https://stackoverflow.com/questions/2316370">What does the PHP syntax $var1->$var2 mean?</a> <br/>
    <a href="https://stackoverflow.com/questions/3737139">Reference - What does this symbol mean in PHP?</a></p>
  </blockquote>
  
  
  
  <p>I'm looking at a PHP framework's code, and now and then the symbols "->" appear... for example:</p>
  
  <pre><code>$controller-&gt;permissionCheck($ret);
  </code></pre>
  
  <p>What does "->" stand for and what is used for?</p>