title: php db2_connect - what driver is being used?
body: <pre><code>    $connection = db2_connect ( '*LOCAL', PHP_USER_NAME, PHP_USER_PASS );
      if (! $connection) {
          die('Could not connect');
      }
  
      //Prepare and execute the SQL statement.
      $stmt = db2_prepare ( $connection, $sqlStatement );
  
      if (! db2_execute ( $stmt ) ) {
          Throw New Exception('Could not execute statement');
      }
  </code></pre>
  
  <p>We are running PHP on an IBM iSeries with Apache.  Our database is also on this iSeries.</p>
  
  <p>What sort of connection is being established?  Is it an ODBC link?  If this is something that varies from system to system, how can i tell?</p>