PDO_INFORMIX is a driver that implements the PHP Data
Objects (PDO) interface to enable access from PHP to Informix databases.
Installation
To build the PDO_INFORMIX extension, the Informix Client SDK 2.81 UC1 or
higher must be installed on the same system as PHP. The Informix Client
SDK is available from the » IBM Informix
Support Site.
PDO_INFORMIX is a » PECL extension, so
follow the instructions in Installation of PECL extensions to install the
PDO_INFORMIX extension. Issue the configure command
to point to the location of your Informix Client SDK header files and
libraries as follows:
The configure command defaults to the value of the
INFORMIXDIR environment variable.
Scrollable cursors
PDO_INFORMIX supports scrollable cursors; however, they are not enabled
by default. To enable scrollable cursor support, you must either set
ENABLESCROLLABLECURSORS=1
in the corresponding ODBC
connection settings in odbc.ini or pass
the EnableScrollableCursors=1
clause in the DSN
connection string.