GetConfigTrait.php
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GetConfigTrait.php
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	<?php
	/**
	* Citizen - A responsive skin developed for the Star Citizen Wiki
	*
	* This file is part of Citizen.
	*
	* Citizen 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 3 of the License, or
	* (at your option) any later version.
	*
	* Citizen 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 Citizen. If not, see <https://www.gnu.org/licenses/>.
	*
	* @file
	* @ingroup Skins
	*/

	declare( strict_types=1 );

	namespace MediaWiki\Skins\Citizen;

	use MediaWiki\Config\ConfigException;
	use MediaWiki\Output\OutputPage;

	trait GetConfigTrait {

	/**
	* getConfig() wrapper to catch exceptions.
	* Returns null on exception
	*
	* @param string $key
	* @param OutputPage\|null $out
	* @return mixed
	* @see SkinTemplate::getConfig()
	*/
	protected function getConfigValue( string $key, ?OutputPage $out = null ): mixed {
	if ( isset( $this->out ) ) {
	$out = $this->out;
	}

	if ( is_callable( [ $this, 'getOutput' ] ) ) {
	$out = $this->getOutput();
	}

	try {
	$value = $out->getConfig()->get( $key );
	} catch ( ConfigException $e ) {
	$value = null;
	}

	return $value;
	}
	}