server_request_headers()

Complexity

Conditions	7
Paths	12

Size

Total Lines	27
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	7

Importance

Changes

0

<?php declare(strict_types=1);
function server_request_headers(?array $serverParams = null): array
{
    $serverParams ??= $_SERVER;

    // https://datatracker.ietf.org/doc/html/rfc3875#section-4.1.2
    if (!isset($serverParams['HTTP_CONTENT_LENGTH']) && isset($serverParams['CONTENT_LENGTH'])) {
        $serverParams['HTTP_CONTENT_LENGTH'] = $serverParams['CONTENT_LENGTH'];
    }

    // https://datatracker.ietf.org/doc/html/rfc3875#section-4.1.3
    if (!isset($serverParams['HTTP_CONTENT_TYPE']) && isset($serverParams['CONTENT_TYPE'])) {
        $serverParams['HTTP_CONTENT_TYPE'] = $serverParams['CONTENT_TYPE'];
    }

    $result = [];
    foreach ($serverParams as $key => $value) {
        if (strncmp('HTTP_', $key, 5) !== 0) {
            continue;
        }

        $name = strtr(substr($key, 5), '_', '-');
        $name = ucwords(strtolower($name), '-');

        $result[$name] = $value;
    }

    return $result;
}