Directamente no hacen NADAAAAAAAAAAA los scripts! ni error ni nada

Código PHP:
<?php
mysql_connect("localhost", "root", "") or
die("Could not connect: " . mysql_error());
mysql_select_db("my_db");
$result = mysql_query("SELECT id, email, fullname FROM my_table");
while ($row = mysql_fetch_assoc($result)) {
echo $row['id'];
echo $row['fullname'];
echo $row['email'];
echo '.';
}
echo '<<<';
mysql_free_result($result);
?>
