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<?php declare(strict_types=1); |
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/** |
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* It's free open-source software released under the MIT License. |
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* |
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* @author Anatoly Nekhay <[email protected]> |
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* @copyright Copyright (c) 2018, Anatoly Nekhay |
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* @license https://github.com/sunrise-php/http-message/blob/master/LICENSE |
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* @link https://github.com/sunrise-php/http-message |
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*/ |
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namespace Sunrise\Http\Message; |
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/** |
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* Import functions |
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*/ |
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use function strncmp; |
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use function strtolower; |
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use function strtr; |
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use function substr; |
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use function ucwords; |
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/** |
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* Gets the request headers |
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* |
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* @param array|null $serverParams |
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* |
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* @return array<string, string> |
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* |
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* @link http://php.net/manual/en/reserved.variables.server.php |
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* @link https://datatracker.ietf.org/doc/html/rfc3875#section-4.1.18 |
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*/ |
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function server_request_headers(?array $serverParams = null): array |
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{ |
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$serverParams ??= $_SERVER; |
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// https://datatracker.ietf.org/doc/html/rfc3875#section-4.1.2 |
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if (!isset($serverParams['HTTP_CONTENT_LENGTH']) && isset($serverParams['CONTENT_LENGTH'])) { |
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$serverParams['HTTP_CONTENT_LENGTH'] = $serverParams['CONTENT_LENGTH']; |
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} |
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// https://datatracker.ietf.org/doc/html/rfc3875#section-4.1.3 |
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if (!isset($serverParams['HTTP_CONTENT_TYPE']) && isset($serverParams['CONTENT_TYPE'])) { |
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$serverParams['HTTP_CONTENT_TYPE'] = $serverParams['CONTENT_TYPE']; |
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} |
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$result = []; |
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foreach ($serverParams as $key => $value) { |
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if (0 <> strncmp('HTTP_', $key, 5)) { |
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continue; |
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} |
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$name = strtr(substr($key, 5), '_', '-'); |
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$name = ucwords(strtolower($name), '-'); |
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$result[$name] = $value; |
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} |
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return $result; |
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} |
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sunrise-php /
http-message
