get_request_header()

Complexity

Conditions	5
Paths	4

Size

Total Lines

19

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php declare(strict_types=1);
function get_request_header(string $name)
{
    $name = \strtoupper($name);

    // IIS/Some Apache versions and configurations
    if (isset($_SERVER['HTTP_' . $name])) {
        return \trim($_SERVER['HTTP_' . $name]);
    }

    // Various other SAPIs
    if (\function_exists('apache_request_headers')) {
        foreach (\apache_request_headers() as $headerName => $value) {
            if (\strtoupper($headerName) === $name) {
                return \trim($value);
            }
        }
    }

    return null;
}