NelmioApiDocBundle/Render/Yaml/YamlOpenApiRenderer.php

<?php

/*
 * This file is part of the NelmioApiDocBundle package.
 *
 * (c) Nelmio
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Nelmio\ApiDocBundle\Render\Yaml;

use Nelmio\ApiDocBundle\Render\OpenApiRenderer;
use Nelmio\ApiDocBundle\Render\RenderOpenApi;
use OpenApi\Annotations\OpenApi;
use OpenApi\Annotations\Server;

class YamlOpenApiRenderer implements OpenApiRenderer
{
    public function getFormat(): string
    {
        return RenderOpenApi::YAML;
    }

    public function render(OpenApi $spec, array $options = []): string
    {
        $options += [
            'server_url' => null,
        ];

        if ($options['server_url']) {
            $spec->servers = [new Server(['url' => $options['server_url']])];
        }

        return $spec->toYaml();
    }
}