/**
* Return array of HTTP headers from the current request
* @return array|false
*/
public static function getHeaders()
{
if (self::$headers === null) {
if (function_exists('apache_request_headers')) {
$headers = apache_request_headers();
} else {
$headers = array();
if (isset($_SERVER['CONTENT_TYPE'])) {
$headers['Content-Type'] = $_SERVER['CONTENT_TYPE'];
}
if (isset($_ENV['CONTENT_TYPE'])) {
$headers['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)))));
$headers[$key] = $value;
}
}
}
self::$headers = $headers;
}
return self::$headers;
}
