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 Chapter 5, 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:
bash$ ./configure --with-pdo-informix=/path/to/SDK[,shared]
The configure command defaults to the value of the
INFORMIXDIR
environment variable.
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.