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The Oracle ODBC Driver is a powerful tool that allows you to connect with Oracle, directly from any applications that support ODBC connectivity.

Access Oracle databases from virtually anywhere through a standard ODBC Driver interface.

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Natively Connect to Oracle Data in PHP


The CData ODBC driver for Oracle enables you to create PHP applications with connectivity to Oracle data. Leverage the native support for ODBC in PHP.

Drop the CData ODBC Driver for Oracle into your LAMP or WAMP stack to build Oracle-connected Web applications. This article shows how to use PHP's ODBC built-in functions to connect to Oracle data, execute queries, and output the results.

Configure a DSN

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

To connect to Oracle, you'll first need to update your PATH variable and ensure it contains a folder location that includes the native DLLs. The native DLLs can be found in the lib folder inside the installation directory. Once you've done this, set the following to connect:

  • Port: The port used to connect to the server hosting the Oracle database.
  • User: The user Id provided for authentication with the Oracle database.
  • Password: The password provided for authentication with the Oracle database.
  • Service Name: The service name of the Oracle database.

Establish a Connection

Open the connection to Oracle by calling the odbc_connect or odbc_pconnect methods. To close connections, use odbc_close or odbc_close_all.

$conn = odbc_connect("CData ODBC OracleOCI Source","user","password");

Connections opened with odbc_connect are closed when the script ends. Connections opened with the odbc_pconnect method are still open after the script ends. This enables other scripts to share that connection when they connect with the same credentials. By sharing connections among your scripts, you can save system resources, and queries execute faster.

$conn = odbc_pconnect("CData ODBC OracleOCI Source","user","password"); ... odbc_close($conn); //persistent connection must be closed explicitly

Create Prepared Statements

Create prepared statements and parameterized queries with the odbc_prepare function.

$query = odbc_prepare($conn, "SELECT * FROM Customers WHERE Country = ?");

Execute Queries

Execute prepared statements with odbc_execute.

$conn = odbc_connect("CData ODBC OracleOCI Source","user","password"); $query = odbc_prepare($conn, "SELECT * FROM Customers WHERE Country = ?"); $success = odbc_execute($query, array('US'));

Execute nonparameterized queries with odbc_exec.

$conn = odbc_connect("CData ODBC OracleOCI Source","user","password"); $query = odbc_exec($conn, "SELECT CompanyName, City FROM Customers WHERE Country = US");

Process Results

Access a row in the result set as an array with the odbc_fetch_array function.

$conn = odbc_connect("CData ODBC Oracle data Source","user","password"); $query = odbc_exec($conn, "SELECT CompanyName, City FROM Customers WHERE Country = US"); while($row = odbc_fetch_array($query)){ echo $row["CompanyName"] . "\n"; }

Display the result set in an HTML table with the odbc_result_all function.

$conn = odbc_connect("CData ODBC Oracle data Source","user","password"); $query = odbc_prepare($conn, "SELECT * FROM Customers WHERE Country = ?"); $success = odbc_execute($query, array('US')); if($success) odbc_result_all($query);

More Example Queries

You will find complete information on the driver's supported SQL in the help documentation. The code examples above are Oracle-specific adaptations of the PHP community documentation for all ODBC functions.