public static function get_headers()
{
if (function_exists('apache_request_headers')) {
// we need this to get the actual Authorization: header
// because apache tends to tell us it doesn't exist
$headers = apache_request_headers();
// sanitize the output of apache_request_headers because
// we always want the keys to be Cased-Like-This and arh()
// returns the headers in the same case as they are in the
// request
$out = array();
foreach ($headers as $key => $value) {
$key = str_replace(" ", "-", ucwords(strtolower(str_replace("-", " ", $key))));
$out[$key] = $value;
}
} else {
// otherwise we don't have apache and are just going to have to hope
// that $_SERVER actually contains what we need
$out = array();
if (isset($_SERVER['CONTENT_TYPE'])) {
$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
}
if (isset($_ENV['CONTENT_TYPE'])) {
$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
}
foreach ($_SERVER as $key => $value) {
if (substr($key, 0, 5) == "HTTP_") {
// this is chaos, basically it is just there to capitalize the first
// letter of every word that is not an initial HTTP and strip HTTP
// code from przemek
$key = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($key, 5)))));
$out[$key] = $value;
}
}
}
return $out;
}