<?php

namespace RegularLabs\Scoped;

if (!\function_exists('getallheaders') && !\function_exists('RegularLabs\Scoped\getallheaders')) {
    /**
     * Get all HTTP header key/values as an associative array for the current request.
     *
     * @return string[string] The HTTP header key/value pairs.
     */
    function getallheaders()
    {
        $headers = array();
        $copy_server = array('CONTENT_TYPE' => 'Content-Type', 'CONTENT_LENGTH' => 'Content-Length', 'CONTENT_MD5' => 'Content-Md5');
        foreach ($_SERVER as $key => $value) {
            if (\substr($key, 0, 5) === 'HTTP_') {
                $key = \substr($key, 5);
                if (!isset($copy_server[$key]) || !isset($_SERVER[$key])) {
                    $key = \str_replace(' ', '-', \ucwords(\strtolower(\str_replace('_', ' ', $key))));
                    $headers[$key] = $value;
                }
            } elseif (isset($copy_server[$key])) {
                $headers[$copy_server[$key]] = $value;
            }
        }
        if (!isset($headers['Authorization'])) {
            if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) {
                $headers['Authorization'] = $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
            } elseif (isset($_SERVER['PHP_AUTH_USER'])) {
                $basic_pass = isset($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : '';
                $headers['Authorization'] = 'Basic ' . \base64_encode($_SERVER['PHP_AUTH_USER'] . ':' . $basic_pass);
            } elseif (isset($_SERVER['PHP_AUTH_DIGEST'])) {
                $headers['Authorization'] = $_SERVER['PHP_AUTH_DIGEST'];
            }
        }
        return $headers;
    }
}