<?php
    function _unmask_flags($flag)
	{
		$flags = array(
			1 => 'No Follow',
			2 => 'Same Subdomain',
			4 => 'Meta Refresh',
			8 => 'Same IP Address',
			16 => 'Same C Block',
//			32 => '',
			64 => '301 Redirect',
			128 => '302 Redirect',
			256 => 'No Script',
			512 => 'Off Screen',
//			1024 => '',
			2048 => 'Meta No Follow',
			4096 => 'Same Root Domain',
			8182 => 'Img',
			16384 => 'Feed Auto-discovery',
			32768 => 'Rel Canonical',
			65536 => 'Via 301'			
		);
		$retval = array();
		foreach ($flags as $bit => $value)
		{
			$retval[$value] = ($bit & $flag) ? 1 : 0;
		}
		return $retval;
	}