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4 changes: 2 additions & 2 deletions source/CAS.php
Original file line number Diff line number Diff line change
Expand Up @@ -347,7 +347,7 @@ class phpCAS
*/
public static function client($server_version, $server_hostname,
$server_port, $server_uri, $service_base_url,
$changeSessionID = true, \SessionHandlerInterface $sessionHandler = null
$changeSessionID = true, ?\SessionHandlerInterface $sessionHandler = null
) {
phpCAS :: traceBegin();
if (is_object(self::$_PHPCAS_CLIENT)) {
Expand Down Expand Up @@ -402,7 +402,7 @@ public static function client($server_version, $server_hostname,
*/
public static function proxy($server_version, $server_hostname,
$server_port, $server_uri, $service_base_url,
$changeSessionID = true, \SessionHandlerInterface $sessionHandler = null
$changeSessionID = true, ?\SessionHandlerInterface $sessionHandler = null
) {
phpCAS :: traceBegin();
if (is_object(self::$_PHPCAS_CLIENT)) {
Expand Down
2 changes: 1 addition & 1 deletion source/CAS/Client.php
Original file line number Diff line number Diff line change
Expand Up @@ -938,7 +938,7 @@ public function __construct(
$server_uri,
$service_base_url,
$changeSessionID = true,
\SessionHandlerInterface $sessionHandler = null
?\SessionHandlerInterface $sessionHandler = null
) {
// Argument validation
if (gettype($server_version) != 'string')
Expand Down