<?php
$pacs = "texttexttext";
$pcsi = "lfact";
echo "this is a test for crypt <br>";
echo "we'll crypt texttexttext can you see it below<br><br>";

/* Open the cipher */
$dfact = mcrypt_module_open('rijndael-256', '', 'ofb', '');

 /* Create the IV and determine the keysize length, used MCRYPT_RAND
on Windows instead */

$size = mcrypt_get_iv_size('rijndael-256', 'ofb');
$iv = mcrypt_create_iv($size, MCRYPT_DEV_RANDOM);
$ks = mcrypt_enc_get_key_size($dfact);

   /* Create key */
   $key = substr(md5($pcsi),0,$ks);

   /* Intialize encryption */
   mcrypt_generic_init($dfact,$key,$iv);

   /* Encrypt data */
   $pfact = mcrypt_generic($dfact,'$pacs');

   /* Terminate encryption handler */
   mcrypt_generic_deinit($dfact);

echo "is this text crypt $pfact";

   /* Initialize encryption module for decryption */
   mcrypt_generic_init($dfact,$key,$iv);

   /* Decrypt encrypted string */
   $efact = mdecrypt_generic($dfact,$pfact);

   /* Terminate decryption handle and close module */
   mcrypt_generic_deinit($dfact);
   mcrypt_module_close($dfact);

   /* Show string */
   echo "is this text decrypt $efact <br><br>";

  echo "thanks either way";

?>