function is_https()
	{
		return isset($_SERVER["HTTPS"]) && !empty($_SERVER["HTTPS"]) && strtolower(getenv("HTTPS")) != "off";
	}
	
	function get_host($strict_mode = false)
	{
		if($strict_mode === true)
		{
			if(self::str_contains(getenv("HTTP_HOST"), ":"))
			{
				$host = explode(":", getenv("HTTP_HOST"));
				$host = array_reverse($host);
				
				return end($host);
			}
			else
			{
				return getenv("HTTP_HOST");
			}
		}
		else
		{
			return getenv("HTTP_HOST");
		}
	}
	
	function get_current_url($host_strict_mode = false)
	{
		$url = is_ssl() ? "https://" : "http://";
		
		$url .= get_host($host_strict_mode);
		
		if(getenv("SERVER_PORT") != 80)
		{
			$url .= ":" . getenv("SERVER_PORT");
		}
		
		if(!isset($_SERVER["REQUEST_URI"]))
		{
			$url .= substr(getenv("PHP_SELF"), 1);
			
			if(isset($_SERVER["QUERY_STRING"]))
			{
				$url .= "?" . getenv("QUERY_STRING");
			}
		}
		else
		{
			$url .= getenv("REQUEST_URI");
		}
		
		return $url;
	}