<?
  mysql_connect("localhost", "root", "xxxx");
  mysql_select_db("reporting");

  $result = mysql_query("show table status");

  $size = 0;
  $out = "";
  while($row = mysql_fetch_array($result)) {
	  $size += $row["Data_length"];
	  $out .= $row["Name"] .": ". 
				   round(($row["Data_length"]/1024)/1024, 2) ."MB\n";
  }

  $size = round(($size/1024)/1024, 1);

  echo $out ."<br>\n";
	echo "Total MySQL db size in MB: $size";
?>