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Natively Connect to IBM Informix Data in PHP
The CData ODBC driver for IBM Informix enables you to create PHP applications with connectivity to IBM Informix data. Leverage the native support for ODBC in PHP.
Drop the CData ODBC Driver for IBM Informix into your LAMP or WAMP stack to build IBM Informix-connected Web applications. This article shows how to use PHP's ODBC built-in functions to connect to IBM Informix 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 the following properties to connect to IBM Informix
- Server: Set this to the name of the server running IBM Informix.
- Port: Set this to the port the IBM Informix server is listening on.
- Database: Set this to the name of the IBM Informix database.
- User: Set this to the username of a user allowed to access the database.
- Password: Set this to the password of a user allowed to access the database.
Establish a Connection
Open the connection to IBM Informix by calling the odbc_connect or odbc_pconnect methods. To close connections, use odbc_close or odbc_close_all.
$conn = odbc_connect("CData ODBC Informix 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.
$conn = odbc_pconnect("CData ODBC Informix Source","user","password");
...
odbc_close($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 Books WHERE Category = ?");
Execute Queries
Execute prepared statements with odbc_execute.
$conn = odbc_connect("CData ODBC Informix Source","user","password");
$query = odbc_prepare($conn, "SELECT * FROM Books WHERE Category = ?");
$success = odbc_execute($query, array('US'));
Execute nonparameterized queries with odbc_exec.
$conn = odbc_connect("CData ODBC Informix Source","user","password");
$query = odbc_exec($conn, "SELECT Id, Price FROM Books WHERE Category = 'US'");
Process Results
Access a row in the result set as an array with the odbc_fetch_array function.
$conn = odbc_connect("CData ODBC IBM Informix data Source","user","password");
$query = odbc_exec($conn, "SELECT Id, Price FROM Books WHERE Category = 'US'");
while($row = odbc_fetch_array($query)){
echo $row["Id"] . "\n";
}
Display the result set in an HTML table with the odbc_result_all function.
$conn = odbc_connect("CData ODBC IBM Informix data Source","user","password");
$query = odbc_prepare($conn, "SELECT * FROM Books WHERE Category = ?");
$success = odbc_execute($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 IBM Informix-specific adaptations of the PHP community documentation for all ODBC functions.
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IBM Informix ODBC Driver
The IBM Informix ODBC Driver is a powerful tool that allows you to connect with live data from IBM Informix, directly from any applications that support ODBC connectivity.
Access IBM Informix data like you would a database - read, write, and update IBM Informix databases through a standard ODBC Driver interface.
