Warning: fread() [function.fread]: Length parameter must be greater than 0 in E:\xampp\xampp\htdocs\temp\index.php on line 4fread()函數報錯·<?php$dir = "../huion/cache/array_cache/index/template_data.cache.php";$fp = fopen($dir,"w");$data = fread($fp,filesize($dir));fclose($fp);?> 這是源代碼