pdo-document/src/Mapper/CountMapper.php

<?php
/**
 * @author Daniel J. Summers <daniel@bitbadger.solutions>
 * @license MIT
 */

declare(strict_types=1);

namespace BitBadger\PDODocument\Mapper;

/**
 * A mapper that returns the integer value of the first item in the results
 *
 * @implements Mapper<int>
 */
class CountMapper implements Mapper
{
    /** @inheritDoc */
    public function map(array $result): int
    {
        return (int) $result[0];
    }
}