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[0] in function chmod in /var/www/hopeinstoughton_www/wp-content/plugins/simple-universal-google-analytics/main.php on line 8
[1] in function include_once in /var/www/hopeinstoughton_www/wp-settings.php on line 560
[2] in function require_once in /var/www/hopeinstoughton_www/wp-config.php on line 85
[3] in function require_once in /var/www/hopeinstoughton_www/wp-load.php on line 50
[4] in function require_once in /var/www/hopeinstoughton_www/wp-blog-header.php on line 13
[5] in function require in /var/www/hopeinstoughton_www/index.php on line 17

<?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Utils;

/**
 * @internal
 */
final class HeaderProcessor
{
    /**
     * Returns the HTTP version, status code, reason phrase, and headers.
     *
     * @param string[] $headers
     *
     * @return array{0:string, 1:int, 2:?string, 3:array}
     *
     * @throws \RuntimeException
     */
    public static function parseHeaders(array $headers): array
    {
        if ($headers === []) {
            throw new \RuntimeException('Expected a non-empty array of header data');
        }

        $parts = \explode(' ', \array_shift($headers), 3);
        $version = \explode('/', $parts[0])[1] ?? null;

        if ($version === null) {
            throw new \RuntimeException('HTTP version missing from header data');
        }

        $status = $parts[1] ?? null;

        if ($status === null) {
            throw new \RuntimeException('HTTP status code missing from header data');
        }

        return [$version, (int) $status, $parts[2] ?? null, Utils::headersFromLines($headers)];
    }
}