<?php
$strSQL = "SELECT MAX(date_login) as date_login FROM sesion WHERE user_id='30'";
$cmdQuery = mysql_query($dbname,$strSQL) or die (mysql_error());
$fetchArray = mysql_fetch_array($cmdQuery);
echo $fetchArray['date_login'];
?>
$strSQL = "SELECT date FROM log WHERE user_id='35' AND detial='LOGIN' ORDER BY date DESC limit 1";
$cmdQuery=mysql_query($strSQL);
$fetchArray=mysql_fetch_array($cmdQuery);