//Password hashing stage 1
  $a_password = sha1($a_password);
  $a_password = md5($a_password);
  $a_password = md5($a_password);
  //Password hashing stage 2
  $a_hash_user = sha1($a_username);
  $a_hash_user = md5($a_username);
  //Final stage
  $a_user_pass = $a_password.$a_username;
  $a_password_combined = md5($a_user_pass);
  //Final hash
  $a_password = $a_password.$a_hash_user.$a_user_pass.$a_password_combined;