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<?xml version='1.0' encoding='iso-8859-1'?>
<!-- $Revision: 1.7 $ -->
<!-- Generated by xml_proto.php v2.1. Found in /scripts directory of phpdoc. -->
<refentry id="function.PDO-setAttribute">
<refnamediv>
<refname>PDO::setAttribute</refname>
<refpurpose>
Set an attribute
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>PDO::setAttribute</methodname>
<methodparam><type>int</type><parameter>attribute</parameter></methodparam>
<methodparam><type>mixed</type><parameter>value</parameter></methodparam>
</methodsynopsis>
<para>
Sets an attribute on the database handle. Some of the available generic
attributes are listed below; some drivers may make use of
additional driver specific attributes.
<itemizedlist>
<listitem><para>
<literal>PDO::ATTR_CASE</literal>: Force column names to a specific case.
<itemizedlist>
<listitem><para>
<literal>PDO::CASE_LOWER</literal>: Force column names to lower case.
</para></listitem>
<listitem><para>
<literal>PDO::CASE_NATURAL</literal>: Leave column names as returned by
the database driver.
</para></listitem>
<listitem><para>
<literal>PDO::CASE_UPPER</literal>: Force column names to upper case.
</para></listitem>
</itemizedlist>
</para></listitem>
<listitem><para><literal>PDO::ATTR_ERRMODE</literal>: Error reporting.
<itemizedlist>
<listitem><para><literal>PDO::ERRMODE_SILENT</literal>:
Just set error codes.</para></listitem>
<listitem><para><literal>PDO::ERRMODE_WARNING</literal>:
Raise <link linkend="e-warning">E_WARNING</link>.</para></listitem>
<listitem><para><literal>PDO::ERRMODE_EXCEPTION</literal>:
Throw <link linkend="language.exceptions">exceptions</link>.</para></listitem>
</itemizedlist>
</para></listitem>
<listitem><para><literal>PDO::ATTR_ORACLE_NULLS</literal>
(available with all drivers, not just Oracle):
Conversion of NULL and empty strings.
<itemizedlist>
<listitem><para><literal>PDO::NULL_NATURAL</literal>:
No conversion.</para></listitem>
<listitem><para><literal>PDO::NULL_EMPTY_STRING</literal>:
Empty string is converted to &null;.</para></listitem>
<listitem><para><literal>PDO::NULL_TO_STRING</literal>:
NULL is converted to an empty string.</para></listitem>
</itemizedlist>
</para></listitem>
<listitem><para><literal>PDO::ATTR_STRINGIFY_FETCHES</literal>:
Convert numeric values to strings when fetching.
Requires <type>bool</type>.
</para></listitem>
<listitem><para><literal>PDO::ATTR_STATEMENT_CLASS</literal>:
Set user-supplied statement class derived from PDOStatement.
Cannot be used with persistent PDO instances.
Requires <literal>array(string classname, array(mixed constructor_args))</literal>.
</para></listitem>
<listitem><para><literal>PDO::ATTR_AUTOCOMMIT</literal>
(available in OCI, Firebird and MySQL):
Whether to autocommit every single statement.
</para></listitem>
<listitem><para><literal>PDO::MYSQL_ATTR_USE_BUFFERED_QUERY</literal>
(available in MySQL):
Use buffered queries.
</para></listitem>
</itemizedlist>
</para>
</refsect1>
</refentry>
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