<?phpheader(‘Content-Type:text/html;charset=utf-8‘);function encode_file_contents($filename) {    $type=strtolower(substr(strrchr($filename,‘.‘),1));    if(‘php‘==$type && is_file($filename) && is_writable($filename)){// 如果是PHP文件 并且可写 则进行压缩编码        $contents = file_get_contents($filename);// 判断文件是否已经被编码处理        $pos = strpos($contents,‘powered by arzn QQ:1314778‘);        if(false === $pos || $pos>100){ // 去除PHP文件注释和空白，减少文件大小            $contents = php_strip_whitespace($filename);            // 去除PHP头部和尾部标识            $headerPos = strpos($contents,‘<?php‘);            $footerPos = strrpos($contents,‘?>‘);            $contents = substr($contents,$headerPos+5,$footerPos-$headerPos);            $encode = base64_encode(gzdeflate($contents));// 开始编码            $encode = ‘<?php‘."\n eval(gzinflate(base64_decode("."‘".$encode."‘".")));\n\n?>";            return file_put_contents($filename,$encode);        }    }    return false;}//调用函数$filename=‘1.php‘;encode_file_contents($filename);echo "OK,加密完成！"?>

<?php          $Code = ‘这里填写要解密的编码‘; // base64编码          $File = ‘decoded.php‘;//解码后保存的文件          $Temp = base64_decode($Code);          $temp = gzinflate($Temp);          $FP = fopen($File,"w");          fwrite($FP,$temp);          fclose($FP);          echo "解密成功！";  ?>