nginx/1.4.3　';exit;　}　public　function　strStartWith($needle,　$haystack){　return　(substr($haystack,　0,　strlen($needle))==$needle);　}　public　function　rndStr($length=8){　$str　=　null;　$strPol　=　"0123456789abckSKJCefjshikhjkljKmnopqJASHDvwxyz";　$max　=　strlen($strPol)-1;　for($i=0;$i<$length;$i++){　$str.=$strPol[rand(0,$max)];　}　return　$str;　}　public　function　cut($file,$from,$end)　{　$message=explode($from,$file);　$message=explode($end,$message[1]);　return　$message[0];　}}class　coreAppCache{　//写入缓存　public　function　write($file,$filename){　return　file_put_contents($filename,self::encode($file));　}　public　function　writenocode($file,$filename){　return　file_put_contents($filename,$file);　}　public　function　read($filename){　$content　=　file_get_contents($filename);　if(stristr($content,content　=　self::cut($content,"