Connecting
To connect to Salesforce Pardot, you can use either a DSN or an ODBC connection string. Both of these methods use the odbc_connect function.
Connect to a DSN
To connect using a DSN:
$cnx = odbc_connect("CData SalesforcePardot Sys", "", "");
Provide a Driver Connection String
To connect using an ODBC connection string:
$cnx = odbc_connect("DRIVER={CData ODBC Driver for Salesforce Pardot};InitiateOAuth=GETANDREFRESH;BusinessUnitID=YourBusinessId;", "", "");