*/
public function request( WebRequest $x = null ) {
$old = $this->context->getRequest();
- $this->context->setRequest( $x );
+ if ( $x ) {
+ $this->context->setRequest( $x );
+ }
return $old;
}
*/
public function output( OutputPage $x = null ) {
$old = $this->context->getOutput();
- $this->context->setOutput( $x );
+ if ( $x ) {
+ $this->context->setOutput( $x );
+ }
return $old;
}