#!/usr/local/php/bin/php -q
<?php

@set_time_limit (0);
@ini_set ("memory_limit", "20M");

$save_dir = '절대경로/dbbackup';//저장할 장소, 절대경로/dbbackup 퍼미션은 777로 주세요
$dateYmdH = date("YmdH");
$break_dbname = '예외디비명1|예외디비명2';//디비백업에 열외시킬 디비들
$deldate = 7;//삭제일 현재는 7일지난 데이터는 삭제

echo "[백업한 sql] \n\n";
mysql_connect('디비접속호스트', 'root', '디비루트패스워드');
$db_list = mysql_list_dbs();

$i = 0;
$cnt = mysql_num_rows($db_list);
while ($i < $cnt) {

  $dbname = mysql_db_name($db_list, $i);
  $i++;

  if (!empty($dbname)) {

    if (!empty($break_dbname) && preg_match("`^(" . $break_dbname . ")$`i", $dbname))
      continue;

    echo "[ " . $dbname . "]\n";

    exec('/usr/local/mysql/bin/mysqldump -h디비접속호스트 -uroot -p루트패스워드 ' . $dbname . ' > ' . $save_dir . '/' . $dbname . $dateYmdH . '.sql');
  }
}


echo "\n\n[삭제한 sql] \n\n";
$d = dir($save_dir);
while (false !== ($entry = $d->read())) {

   if (!preg_match("|^\.|", $entry)) {

      if (!empty($break_dbname) && preg_match("`^(" . $break_dbname . ")[0-9]{0,10}\.sql$`i", $entry))
        continue;

      $temp_file = $save_dir . '/' . $entry;
      $temp_mtime = @filemtime($temp_file);
      $temp_during = time() - $temp_mtime;

      if ($temp_during > (60 * 60 * 24 * $deldate)){
  
        $temp_cnt++;
        @unlink($temp_file);
        echo "[" . $temp_file . "]\n";
      }
   }
}

$d->close();

exit;

?>