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VersionComparisonOperator.php
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<?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;
use function in_array;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*
* @immutable
*/
final readonly class VersionComparisonOperator
{
/**
* @var '!='|'<'|'<='|'<>'|'='|'=='|'>'|'>='|'eq'|'ge'|'gt'|'le'|'lt'|'ne'
*/
private string $operator;
/**
* @param '!='|'<'|'<='|'<>'|'='|'=='|'>'|'>='|'eq'|'ge'|'gt'|'le'|'lt'|'ne' $operator
*
* @throws InvalidVersionOperatorException
*/
public function __construct(string $operator)
{
$this->ensureOperatorIsValid($operator);
$this->operator = $operator;
}
/**
* @return '!='|'<'|'<='|'<>'|'='|'=='|'>'|'>='|'eq'|'ge'|'gt'|'le'|'lt'|'ne'
*/
public function asString(): string
{
return $this->operator;
}
/**
* @param '!='|'<'|'<='|'<>'|'='|'=='|'>'|'>='|'eq'|'ge'|'gt'|'le'|'lt'|'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);
}
}
}