This method is used to validate a cas 2.0 ST or PT; halt on failure
Used for all CAS 2.0 validations
public validateCAS20 ( &$validate_url, &$text_response, &$tree_response, boolean $renew = false ) : boolean | ||
$renew | boolean | true to force the authentication with the CAS server |
return | boolean | true when successfull and issue a CAS_AuthenticationException and false on an error |