asiahighlights.com/application/core/MY_Output.php

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class MY_Output extends CI_Output
{
	
	// --------------------------------------------------------------------

	/**
	 * Write a Cache File
	 *
	 * @access	public
	 * @param 	string
	 * @return	void
	 */
	function _write_cache($output)
	{


		$cache_path = APPPATH.'cache/static_html';
		
		if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
		{
			log_message('error', "Unable to write cache file: ".$cache_path);
			return;
		}

		///////<2F>ijɰ<C4B3><C9B0><EFBFBD>URL<52><4C><EFBFBD>滺<EFBFBD><E6BBBA>
		//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD>ύ<EFBFBD><E1BDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>static_html_url<72><6C><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD>̬<EFBFBD>ļ<EFBFBD><C4BC>õIJ<C3B5><C4B2><EFBFBD>
		if(empty($_GET['static_html_url']))
		{
			return FALSE;
		}
		$cache_path=$cache_path.$_GET['static_html_url'];
		if(mb_substr($cache_path,-1,1)=='/')
		{
			$cache_path.='index.htm';
		}

		$this->create_folder_by_path(dirname($cache_path));

		//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
		if (@file_exists($cache_path))
		{
			if ( ! $fp_read = @fopen($cache_path, FOPEN_READ))
			{
				return FALSE;
			}

			flock($fp_read, LOCK_SH);

			$cache = '';
			if (filesize($cache_path) > 0)
			{
				$cache = fread($fp_read, filesize($cache_path));
			}

			flock($fp_read, LOCK_UN);
			fclose($fp_read);
			if(strpos($cache,'<!-- Generated by ')===false)
			{
				log_message('error', "is not cache file.".$cache_path);
				return FALSE;
			}
		}
		
		///////

		if ( ! $fp = @fopen($cache_path, FOPEN_WRITE_CREATE_DESTRUCTIVE))
		{
			log_message('error', "Unable to write cache file: ".$cache_path);
			return;
		}

		if (flock($fp, LOCK_EX))
		{
			fwrite($fp, $output.'<!-- Generated by '.$_SERVER['HTTP_HOST'].' ('.date('c').') -->');
			flock($fp, LOCK_UN);
		}
		else
		{
			log_message('error', "Unable to secure a file lock for file at: ".$cache_path);
			return;
		}
		fclose($fp);
		@chmod($cache_path, FILE_WRITE_MODE);

		log_message('debug', "Cache file written: ".$cache_path);
	}

	// --------------------------------------------------------------------

/*
* <20>ݹ鴴<DDB9><E9B4B4><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
*/
function create_folder_by_path($dir, $mode = 0777)
{
    if (!is_dir($dir))
    {
        return @mkdir($dir, $mode, true);
    }
    return;
}

}