public static function headers()
	{
		// disabled ?
		//
		if (!self::_debug())
		{
			return false;
		}

		if (!function_exists('getallheaders'))
		{
			function getallheaders()
			{
				$headers = array ();
				foreach ($_SERVER as $name => $value)
				{
					if (substr($name, 0, 5) == 'HTTP_')
					{
						$key = str_replace(
							' ',
							'-',
							ucwords(strtolower(
								str_replace('_', ' ', substr($name, 5))
								))
							);
						$headers[$key] = $value;
					}
				}
				return $headers;
			}
		}

		// render it
		//
		?>
<div class="krumo-title">
This is a list of all HTTP request headers.
</div>
		<?php
		return self::dump(getallheaders());
	}