<?php declare(strict_types=1);
namespace PHPUnit\Util;
use function in_array;
use function sprintf;
final class VersionComparisonOperator
{
private $operator;
public function __construct(string $operator)
{
$this->ensureOperatorIsValid($operator);
$this->operator = $operator;
}
public function asString(): string
{
return $this->operator;
}