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<?
mysql_connect("localhost", "***", "***"); 
mysql_select_db("***");
$sql = "select * from projects ORDER BY id DESC limit 3";
$query = mysql_query($sql) or die(mysql_error());    
while ($show = mysql_fetch_object($query)){
//...
}
?>

<?
mysql_connect("localhost", "***", "***"); 
mysql_select_db("***");
$sql = "select * from projects ORDER BY id DESC limit 3";
$query = mysql_query($sql) or die(mysql_error());    
while ($show = mysql_fetch_object($query)){
//...
}
?>