PHP使用外部命令匯出資料庫,備份到伺服器並下載到本地

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<?php    // $dumpFileName目錄要有可寫入權限    $DbHost = ‘localhost‘;  $DbUser  = ‘root‘;  $DbPwd   = ‘123456‘;  $DbName  = ‘a‘;   $fileName = $DbName . ‘_MySQL_data_backup_‘ . date(‘YmdHis) . ‘.sql‘;  $dumpFileName= "/var/$fileName";  header("Content-Disposition: attachment; filename=" . $fileName);  header("Content-type: application/octet-stream");  header("Pragma:no-cache");   header("Expires:0");      echo `mysqldump -h $DbHost -u$DbUser -p$DbPwd $DbName > $dumpFileName`;      $hd = fopen($dumpFileName, ‘rb‘);  echo fread($hd, filesize($dumpFileName));  fclose($hd);     ?>

 

PHP使用外部命令匯出資料庫,備份到伺服器並下載到本地

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