CacheEngineFiles::read

public function read(&$vars, $baseDir, $initDir, $filename, $ttl)
{
	$documentRoot = MainLoader::getDocumentRoot();
	$fn = $documentRoot."/".ltrim($baseDir.$initDir, "/").$filename;

	if (!file_exists($fn))
		return false;

	$ser_content = "";
	$dateexpire = 0;
	$datecreate = 0;
	$zeroDanger = false;

	$handle = null;
	if (is_array($vars))
	{
		$INCLUDE_FROM_CACHE = 'Y';

		if (!@include($fn))
			return false;
	}
	else
	{
		$handle = fopen($fn, "rb");
		if (!$handle)
			return false;

		$datecreate = fread($handle, 2);
		if ($datecreate == "BX")
		{
			$datecreate = fread($handle, 12);
			$dateexpire = fread($handle, 12);
		}
		else
		{
			$datecreate .= fread($handle, 10);
		}
	}

	/* We suppress warning here in order not to break the compression under Zend Server */
	$this->read = @filesize($fn);
	$this->path = $fn;

	$res = true;
	if (intval($datecreate) < (time() - $ttl))
	{
		if ($this->useLock)
		{
			if ($this->lock($fn))
			{
				$res = false;
			}
		}
		else
		{
			$res = false;
		}
	}

	if($res == true)
	{
		if (is_array($vars))
		{
			$vars = unserialize($ser_content);
		}
		else
		{
			$vars = fread($handle, $this->read);
		}
	}

	if($handle)
	{
		fclose($handle);
	}

	return $res;
}