mixed File_Passwd_Authdigest::delUserInRealm ( 
     string $user
      , string $inRealm
    )
Delete a certain user in a specific realm.
$user
      the user to remove
$inRealm
      the realm the user should be in
Returns TRUE on success, PEAR_Error on failure.
| Error Code | Summary | 
|---|---|
| FILE_PASSWD_E_USER_NOT_IN_REALM | user doesn't exist in the supplied realm | 
This function can not be called statically.