app/Http/RequestHandlers/PhpInformation.php from fisharebest/webtrees

app/Http/RequestHandlers/PhpInformation.php
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<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2023 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Http\RequestHandlers;

use Fisharebest\Webtrees\Http\ViewResponseTrait;
use Fisharebest\Webtrees\I18N;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;

use function ob_get_clean;
use function ob_start;
use function phpinfo;
use function preg_match;

use const INFO_ALL;
use const INFO_CREDITS;
use const INFO_LICENSE;

/**
 * Show PHP information.
 */
class PhpInformation implements RequestHandlerInterface
{
    use ViewResponseTrait;

    /**
     * @param ServerRequestInterface $request
     *
     * @return ResponseInterface
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        $this->layout = 'layouts/administration';

        ob_start();
        phpinfo(INFO_ALL & ~INFO_CREDITS & ~INFO_LICENSE);
        $phpinfo = ob_get_clean();
        preg_match('%<body>(.*)</body>%s', $phpinfo, $matches);
        $phpinfo = $matches[1];

        return $this->viewResponse('admin/server-information', [
            'title'   => I18N::translate('Server information'),
            'phpinfo' => $phpinfo,
        ]);
    }
}