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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
* @file
*/
declare( strict_types=1 );
namespace Wikimedia\Stats\Metrics;
/**
* Null Metric Implementation
*
* When a request from cache yields a type other than what was requested
* or an unrecoverable situation has occurred, an instance of this class
* should be passed to the caller to provide an interface that suppresses
* method calls against it.
*
* @author Cole White
* @since 1.38
*/
class NullMetric {
/**
* Silently suppress all undefined method calls.
*
* @param $method_name string
* @param $args array
* @return NullMetric
*/
public function __call( string $method_name, array $args ): NullMetric {
return $this;
}
}
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