View file gchat/inc/cache.class.php

<?php

class gcache
{
var $cacheFile;
function __construct ()
{
/* Читаем переданные параметры */
if (!empty ($_GET['room']))
	{
	$roomID = (int) $_GET['room'];
	$this->cacheFile = 'r'.$roomID;
	if (empty ($_GET['page']))
		{
		$this->cacheFile .= 'p1';
		}
		else
		{
		$pageID = (int) $_GET['page'];
		$this->cacheFile .= 'p'.$pageID;
		}
	} 
	$this->cacheFile = 'cache/'.$this->cacheFile.'.txt';
}

function readCache ()
	{
	if (file_exists ($this->cacheFile))
		{
		return file_get_contents ($this->cacheFile);
		}
		else
		return false;
	}
	
function writeCache ($content = null)
	{
	if (!$content)
		return false;
	$cache = fopen ($this->cacheFile, 'w');
	fwrite ($cache, $content);
	fclose ($cache);
	}
	
function cacheExists ()
	{
	if (file_exists ($this->cacheFile))
		{
		return true;
		}
		else
		return false;
	}
}