* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace PHPUnit\Util; use function in_array; /** * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit * * @psalm-immutable */ final class VersionComparisonOperator { /** * @psalm-var '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' */ private readonly string $operator; /** * @psalm-param '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' $operator * * @throws InvalidVersionOperatorException */ public function __construct(string $operator) { $this->ensureOperatorIsValid($operator); $this->operator = $operator; } /** * @psalm-return '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' */ public function asString(): string { return $this->operator; } /** * @psalm-param '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' $operator * * @throws InvalidVersionOperatorException */ private function ensureOperatorIsValid(string $operator): void { if (!in_array($operator, ['<', 'lt', '<=', 'le', '>', 'gt', '>=', 'ge', '==', '=', 'eq', '!=', '<>', 'ne'], true)) { throw new InvalidVersionOperatorException($operator); } } }