<?

function cache_getvalue($name)
{
	if(!$name)
		return false;
	
	$cachedir="/data/web/cache/";	
	if(!file_exists($cachedir.$name))
	{
		touch($cachedir.$name);
		return false;
	}		
	if(!isset($_SESSION[login][cache][$name][value]))
		return false;

	$checkentity="";			
	if(clientcompanyid())
		$checkentity="_clientcompany_".clientcompanyid();
	elseif(companyid())
		$checkentity="_company_".companyid();

	$sessiontime=$_SESSION[login][cache][$name][time];
	$cacheneedsreset=FALSE;
	$namepieces=explode('_', $name);

	foreach($namepieces as $k=>$namepart)
	{
		if($namecheck)
			$namecheck.="_$namepart";
		else
			$namecheck=$namepart;
		$checkfilename=$cachedir.$namecheck;
		$checkfilemtime=@filemtime($checkfilename);
		if($checkfilemtime!==FALSE && ($sessiontime < $checkfilemtime))
		{
			$cacheneedsreset=TRUE;
			break;
		}
		if($checkentity)
		{
			$checkfilename=$cachedir.$namecheck.$checkentity;
			$checkfilemtime=@filemtime($checkfilename);
			if($checkfilemtime!==FALSE && ($sessiontime < $checkfilemtime))
			{
				$cacheneedsreset=TRUE;
				break;
			}			
		}	
	}	
	if($cacheneedsreset)
		return false;
			
	return $_SESSION[login][cache][$name][value];
}

function cache_setvalue($name, $value)
{
	$_SESSION[login][cache][$name][value]=$value;
	$_SESSION[login][cache][$name][time]=time();
	return $value;
}
/**
 * @name cache_kickvalue
 * @param string $name 
 * @example added * for default
 * @param string $entity
 * @param number $id
 */
function cache_kickvalue($name="*",$entity="",$id=0)
{
	$cachedir="/data/web/cache/";	
	if($entity && $id)
	{
		$touchfilemanename=$cachedir.$name."_".$entity."_".$id;
		touch($touchfilemanename);
	}
	else 
		touch($cachedir.$name);
}