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

Access MarkLogic like you would a standard RDBMS database - read, write, and update through an ODBC Driver.

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Natively Connect to MarkLogic Data in PHP


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

Drop the CData ODBC Driver for MarkLogic into your LAMP or WAMP stack to build MarkLogic-connected Web applications. This article shows how to use PHP's ODBC built-in functions to connect to MarkLogic 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.

Set User, Password, and Server to the credentials for the MarkLogic account and the address of the server you want to connect to. You should also specify the REST API Port if you want to use a specific instance of a REST Server.

Establish a Connection

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

$conn = odbc_connect("CData ODBC MarkLogic 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.

$conn = odbc_pconnect("CData ODBC MarkLogic Source","user","password"); ... odbc_close($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 Customer WHERE Id = ?");

Execute Queries

Execute prepared statements with odbc_execute.

$conn = odbc_connect("CData ODBC MarkLogic Source","user","password"); $query = odbc_prepare($conn, "SELECT * FROM Customer WHERE Id = ?"); $success = odbc_execute($query, array('1'));

Execute nonparameterized queries with odbc_exec.

$conn = odbc_connect("CData ODBC MarkLogic Source","user","password"); $query = odbc_exec($conn, "SELECT Name, TotalDue FROM Customer");

Process Results

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

$conn = odbc_connect("CData ODBC MarkLogic data Source","user","password"); $query = odbc_exec($conn, "SELECT Name, TotalDue FROM Customer"); while($row = odbc_fetch_array($query)){ echo $row["Name"] . "\n"; }

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

$conn = odbc_connect("CData ODBC MarkLogic data Source","user","password"); $query = odbc_prepare($conn, "SELECT * FROM Customer WHERE Id = ?"); $success = odbc_execute($query, array('1')); 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 MarkLogic-specific adaptations of the PHP community documentation for all ODBC functions.