$wikis = array('insert all the wikis');

foreach ($wikis as $wiki) {

  $connec = mysqli_connect('10.131.243.243', 'mediawiki', 'dbpass', $wiki) or die('Could not connect - ' . mysqli_connect_error($connec)); // prod3
  $query = mysqli_query($connec, 'SELECT rc_timestamp FROM recentchanges WHERE rc_timestamp > 20141010000000 LIMIT 1'); // check for RC entries in the last 30 days
    
    # No RC entries found in the last 30 days
    if (mysqli_num_rows($query) == 0) {
      echo 'No RC entries in the last 30 days found for wiki ' . $wiki;
    }
  
  mysqli_close($connec);
}