title: how to do crypt and password_hash in php 5.6
body: <p>hi can anyone tell me how to use <code>crypt()</code> and and password_hash in <code>php 5.6</code> please?
  because i tried and it keeps on giving me this error </p>
  
  <blockquote>
    <p>Notice: crypt(): No salt parameter was specified.</p>
  </blockquote>
  
  <p>You must use a randomly generated salt and a strong hash function to produce a secure hash. </p>