Hi Dawn,
Thanks a lot for your help! Unfortunately us traditional SAP'ers dont get to ISUG 
So I finally got it working. There is a package called "php5-sybase" (duh) that you can install with a simple:
'sudo apt-get install php5-sybase'
After that, you can use the standard PDO class for connecting!!!
Below is sample code to get anyone started:
<!doctype html>
<body>
<?php
try {
$hostname = "Ubuntu1";
$port = 5000;
$dbname = "tempdb";
$username = "sa";
$pw = "password";
$dbh = new PDO ("dblib:host=$hostname:$port;dbname=$dbname","$username","$pw");
} catch (PDOException $e) {
echo "Failed to get DB handle: " . $e->getMessage() . "\n";
exit;
}
$stmt = $dbh->prepare("select name from master..sysdatabases");
$stmt->execute();
$databases = $stmt->fetchAll();
?>
<table>
<thead>
<tr>
<th>Database</th>
</tr>
</thead>
<tbody>
<?php
foreach ( $databases as $database ) {
echo "<tr>";
echo "<td>" . $database[0] . "</td>";
echo "<tr>";
}
?>
</tbody>
</table>
</body>
</html>
This will output the following to your web browser:
| Database |
|---|
| master |
| model |
| sybmgmtdb |
| sybsystemdb |
| sybsystemprocs |
| tempdb |