Generting random (alphanumeric) string in PHP
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/48124/generating-pseudorandom-alpha-numeric-strings">Generating (pseudo)random alpha-numeric strings</a>  </p>
</blockquote>



<p>How to genearte random string in PHP? Numbers are not a problem, but how to deal with letters <strong>efficiently</strong>?</p>
