图片自动清理程序 - PHP
- /**
- * 图片清理计划程序，删除文件下两周没有访问的文件
- */
- $sRootPath = dirname(__FILE__);
- //define(TIME_LINE ,"-7 day"); //删除几天没有访问图片的时间
- $dir = $sRootPath .DIRECTORY_SEPARATOR.'upload';
- $iTimeLine = strtotime("-7 day");
- //$iTimeLine = time();
- $sHandDate = date("Ymd");
- $sLogDir = dirname(__FILE__).DIRECTORY_SEPARATOR.'Imglog';
- $sLog = $sLogDir.DIRECTORY_SEPARATOR.$sHandDate.'.txt';
- if(!file_exists($sLogDir)) mkdir($sLogDir, 0777,true);
- _clearFile($dir , $iTimeLine, $sLog);
- $sEnd = 'AT'."\t" .date("Y-m-d H:i:s")."\t".'EXEC OVER'."\n";
- echo $sEnd;
- error_log($sEnd, 3, $sLog);
- /**
- * 清除文件操作，传入需要清除文件的路径
- * @param unknown_type $sPath
- */
- function _clearFile($sPath, $iTimeLine, $sLog){
- if(is_dir($sPath)){
- $fp = opendir($sPath);
- while(!false == ($fn = readdir($fp))){
- if($fn == '.' || $fn =='..') continue;
- $sFilePath = $sPath.DIRECTORY_SEPARATOR.$fn;
- _clearFile($sFilePath ,$iTimeLine, $sLog);
- }
-
- }else{
- if($sPath != '.' && $sPath != '..'){ //. ..文件直接跳过，不处理
- $iLastView = fileatime($sPath);
- if($iLastView < $iTimeLine){
- if(@unlink($sPath) === true){
- //echo date("Y-m-d H:i:s").'成功删除文件'.$sPath;
- //file_put_contents($sLog,'success del file :'.$sPath."\n", FILE_APPEND);
- //exit;
- $str =date("Y-m-d H:i:s")."\t".'success del file :'.'['.$sPath.']'."\n";
- error_log($str, 3, $sLog);
- //exit;
- }
- }
- }
-
- }
-
-
- }
- ?>
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