php-doc-en/reference/pdo_informix/reference.xml

<?xml version="1.0" encoding="utf-8"?>
 <reference xml:id="ref.pdo-informix" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <?phpdoc extension-membership="pecl" ?>
  <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>DSN</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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