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Current File : //home/rtorresani/www/vendor/laminas/laminas-diactoros/src/Response/InjectContentTypeTrait.php

<?php

declare(strict_types=1);

namespace Laminas\Diactoros\Response;

use function array_keys;
use function array_reduce;
use function strtolower;

trait InjectContentTypeTrait
{
    /**
     * Inject the provided Content-Type, if none is already present.
     *
     * @return array Headers with injected Content-Type
     */
    private function injectContentType(string $contentType, array $headers): array
    {
        $hasContentType = array_reduce(
            array_keys($headers),
            static fn($carry, $item) => $carry ?: strtolower($item) === 'content-type',
            false
        );

        if (! $hasContentType) {
            $headers['content-type'] = [$contentType];
        }

        return $headers;
    }
}