wordpress-seo / vendor_prefixed / guzzlehttp / guzzle / src / Handler / HeaderProcessor.php

HeaderProcessor.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 27.9, at vendor_prefixed/guzzlehttp/guzzle/src/Handler/HeaderProcessor.php

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1	<?php
2
3	namespace YoastSEO_Vendor\GuzzleHttp\Handler;
4
5	use YoastSEO_Vendor\GuzzleHttp\Utils;
6	/**
7	* @internal
8	*/
9	final class HeaderProcessor
10	{
11	/**
12	* Returns the HTTP version, status code, reason phrase, and headers.
13	*
14	* @param string[] $headers
15	*
16	* @return array{0:string, 1:int, 2:?string, 3:array}
17	*
18	* @throws \RuntimeException
19	*/
20	public static function parseHeaders(array $headers) : array
21	{
22	if ($headers === []) {
23	throw new \RuntimeException('Expected a non-empty array of header data');
24	}
25	$parts = \explode(' ', \array_shift($headers), 3);
26	$version = \explode('/', $parts[0])[1] ?? null;
27	if ($version === null) {
28	throw new \RuntimeException('HTTP version missing from header data');
29	}
30	$status = $parts[1] ?? null;
31	if ($status === null) {
32	throw new \RuntimeException('HTTP status code missing from header data');
33	}
34	return [$version, (int) $status, $parts[2] ?? null, \YoastSEO_Vendor\GuzzleHttp\Utils::headersFromLines($headers)];
35	}
36	}
37