当前路径:vendor/phpunit/phpunit/src/Util/VersionComparisonOperator.php <?php declare(strict_types=1); /* * This file is part of PHPUnit. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace PHPUnit\Util; /** * @internal This class is not covered by the backward compatibility promise for PHPUnit * @psalm-immutable */ final class VersionComparisonOperator { /** * @psalm-var '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' */ private $operator; public function __construct(string $operator) { $this->ensureOperatorIsValid($operator); $this->operator = $operator; } /** * @return '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' */ public function asString(): string { return $this->operator; } /** * @throws Exception * * @psalm-assert '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' $operator */ private function ensureOperatorIsValid(string $operator): void { if (!\in_array($operator, ['<', 'lt', '<=', 'le', '>', 'gt', '>=', 'ge', '==', '=', 'eq', '!=', '<>', 'ne'])) { throw new Exception( \sprintf( '"%s" is not a valid version_compare() operator', $operator ) ); } } }
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