Connecting to Informix databases

# PDO_INFORMIX DSN

(PECL PDO_INFORMIX >= 0.1.0)

PDO_INFORMIX DSN — Connecting to Informix databases

### Description

The PDO_INFORMIX Data Source Name (DSN) is based on the Informix ODBC DSN string. Details on configuring an Informix ODBC DSN are available from the » Informix Dynamic Server Information Center. The major components of the PDO_INFORMIX DSN are:

DSN prefix

  The DSN prefix is `informix:`.

DSN

  The DSN can be either a data source setup using odbc.ini or a complete » connection string.

### Examples

Example #1 PDO_INFORMIX DSN example using odbc.ini

The following example shows a PDO_INFORMIX DSN for connecting to an Informix database cataloged as Infdrv33 in odbc.ini:

    $db = new PDO("informix:DSN=Infdrv33", "", "");

    [ODBC Data Sources]
    Infdrv33=INFORMIX 3.3 32-BIT

    [Infdrv33]
    Driver=/opt/informix/csdk_2.81.UC1G2/lib/cli/iclis09b.so
    Description=INFORMIX 3.3 32-BIT
    Database=common_db
    LogonID=testuser
    pwd=testpass
    Servername=ids_server
    DB_LOCALE=en_US.819
    OPTIMIZEAUTOCOMMIT=1
    ENABLESCROLLABLECURSORS=1

Example #2 PDO_INFORMIX DSN example using a connection string

The following example shows a PDO_INFORMIX DSN for connecting to an Informix database named `common_db` using the Informix connection string syntax.

    $db = new PDO("informix:host=host.domain.com; service=9800;
        database=common_db; server=ids_server; protocol=onsoctcp;
        EnableScrollableCursors=1", "testuser", "tespass");

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