(PHP 4, PHP 5)
session_decode — Decodes session data from a session encoded string
$data
   )
   session_decode() decodes the serialized session data provided in
   $data, and populates the $_SESSION superglobal
   with the result.
  
Please note the unserialization method is not the same as unserialize(). The serialization method is internal to PHP and can be set using session.serialize_handler.
dataThe encoded data to be stored.
   Returns TRUE on success or FALSE on failure.