mirror of
https://github.com/sigmasternchen/php-doc-en
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96c9d88bad
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
132 lines
3.5 KiB
XML
132 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- Generated by xml_proto.php v2.2. Found in /scripts directory of phpdoc. -->
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<refentry xml:id="function.db2-result" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>db2_result</refname>
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<refpurpose>
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Returns a single column from a row in the result set
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>mixed</type><methodname>db2_result</methodname>
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<methodparam><type>resource</type><parameter>stmt</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>column</parameter></methodparam>
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</methodsynopsis>
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<para>
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Use <function>db2_result</function> to return the value of a specified
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column in the current row of a result set. You must call
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<function>db2_fetch_row</function> before calling
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<function>db2_result</function> to set the location of the result set
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pointer.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>stmt</parameter></term>
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<listitem>
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<para>
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A valid <literal>stmt</literal> resource.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>column</parameter></term>
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<listitem>
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<para>
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Either an integer mapping to the 0-indexed field in the result set, or
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a string matching the name of the column.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the value of the requested field if the field exists in the result
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set. Returns NULL if the field does not exist, and issues a warning.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>A <function>db2_result</function> example</title>
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<para>
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The following example demonstrates how to iterate through a result set
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with <function>db2_fetch_row</function> and retrieve columns from the
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result set with <function>db2_result</function>.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$sql = 'SELECT name, breed FROM animals WHERE weight < ?';
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$stmt = db2_prepare($conn, $sql);
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db2_execute($stmt, array(10));
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while (db2_fetch_row($stmt)) {
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$name = db2_result($stmt, 0);
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$breed = db2_result($stmt, 'BREED');
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print "$name $breed";
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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cat Pook
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gold fish Bubbles
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budgerigar Gizmo
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goat Rickety Ride
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>db2_fetch_array</function></member>
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<member><function>db2_fetch_assoc</function></member>
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<member><function>db2_fetch_both</function></member>
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<member><function>db2_fetch_object</function></member>
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<member><function>db2_fetch_row</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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