title: meaning of &$variable and &function?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php">Reference - What does this symbol mean in PHP?</a>  </p>
  </blockquote>
  
  
  
  <p>what is the meaning of <code>&amp;$variable</code> <br/>
  and meaning of functions like</p>
  
  <pre><code>function &amp;SelectLimit( $sql, $nrows=-1, $offset=-1, $inputarr=false, $secs2cache=0 )
  {
      $rs =&amp; $this-&gt;do_query( $sql, $offset, $nrows, $inputarr);
      return $rs;
  } 
  </code></pre>