title: Fast way to generate token - PHP
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1846202/php-how-to-generate-a-random-unique-alphanumeric-string">PHP: How to generate a random, unique, alphanumeric string?</a>  </p>
  </blockquote>
  
  
  
  <p>i want to generate random token [alphanumeric] for random length [between 4-6] characters.<br>
  Can anyone help ?</p>