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<?xml version='1.0' encoding="utf-8"?>
<!-- $Revision: 297078 $ -->
<!-- Purpose: database.vendors -->
<!-- Membership: external, pecl -->
<reference xml:id="ref.pdo-informix" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title>Informix Functions (PDO_INFORMIX)</title>
<titleabbrev>Informix (PDO)</titleabbrev>
<partintro>
<section xml:id="pdo-informix.intro">
&reftitle.intro;
<para>
PDO_INFORMIX is a driver that implements the <link linkend="intro.pdo">PHP Data
Objects (PDO)</link> interface to enable access from PHP to Informix databases.
</para>
</section>
<!-- Information found in configure.xml -->
&reference.pdo-informix.configure;
<section xml:id="ref.pdo-informix.features.cursors">
<title>Scrollable cursors</title>
<para>
PDO_INFORMIX supports scrollable cursors; however, they are not enabled
by default. To enable scrollable cursor support, you must either set
<userinput>ENABLESCROLLABLECURSORS=1</userinput> in the corresponding ODBC
connection settings in <filename>odbc.ini</filename> or pass
the <userinput>EnableScrollableCursors=1</userinput> clause in the DSN
connection string.
</para>
</section>
</partintro>
<refentry xml:id="ref.pdo-informix.connection">
<refnamediv>
<refname>PDO_INFORMIX DSN</refname>
<refpurpose>Connecting to Informix databases</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>
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 <link xlink:href="&url.informix.dsn;">Informix Dynamic Server Information
Center</link>. The major components of the PDO_INFORMIX DSN are:
<variablelist>
<varlistentry>
<term>DSN prefix</term>
<listitem>
<para>
The DSN prefix is <userinput>informix:</userinput>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><constant>DSN</constant></term>
<listitem>
<para>
The DSN can be either a data source setup using
<filename>odbc.ini</filename> or a complete <link
xlink:href="&url.informix.connectionstring;">connection string</link>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>PDO_INFORMIX DSN example using <filename>odbc.ini</filename></title>
<para>
The following example shows a PDO_INFORMIX DSN for connecting to
an Informix database cataloged as Infdrv33 in
<filename>odbc.ini</filename>:
<programlisting><![CDATA[
$db = new PDO("informix:DSN=Infdrv33", "", "");
]]></programlisting>
<programlisting><![CDATA[
[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
]]></programlisting>
</para>
</example>
<example>
<title>PDO_INFORMIX DSN example using a connection string</title>
<para>
The following example shows a PDO_INFORMIX DSN for connecting to
an Informix database named <userinput>common_db</userinput> using the
Informix connection string syntax.
<programlisting><![CDATA[
$db = new PDO("informix:host=host.domain.com; service=9800;
database=common_db; server=ids_server; protocol=onsoctcp;
EnableScrollableCursors=1", "testuser", "tespass");
]]>
</programlisting>
</para>
</example>
</para>
</refsect1>
</refentry>
</reference>
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