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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
*/
use Composer\Semver\VersionParser;
use Composer\Semver\Constraint\Constraint;
/**
* @since 1.26
*/
class CoreVersionChecker {
/**
* @var Constraint|bool representing $wgVersion
*/
private $coreVersion = false;
/**
* @var VersionParser
*/
private $versionParser;
/**
* @param string $coreVersion Current version of core
*/
public function __construct( $coreVersion ) {
$this->versionParser = new VersionParser();
try {
$this->coreVersion = new Constraint(
'==',
$this->versionParser->normalize( $coreVersion )
);
} catch ( UnexpectedValueException $e ) {
// Non-parsable version, don't fatal.
}
}
/**
* Check that the provided constraint is compatible with the current version of core
*
* @param string $constraint Something like ">= 1.26"
* @return bool
*/
public function check( $constraint ) {
if ( $this->coreVersion === false ) {
// Couldn't parse the core version, so we can't check anything
return true;
}
return $this->versionParser->parseConstraints( $constraint )
->matches( $this->coreVersion );
}
}
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