db2-result.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- Generated by xml_proto.php v2.2. Found in /scripts directory of phpdoc. -->
<refentry xml:id="function.db2-result" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>db2_result</refname>
  <refpurpose>
   Returns a single column from a row in the result set
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>mixed</type><type>null</type></type><methodname>db2_result</methodname>
   <methodparam><type>resource</type><parameter>stmt</parameter></methodparam>
   <methodparam><type class="union"><type>int</type><type>string</type></type><parameter>column</parameter></methodparam>
  </methodsynopsis>


  <para>
   Use <function>db2_result</function> to return the value of a specified
   column in the current row of a result set. You must call
   <function>db2_fetch_row</function> before calling
   <function>db2_result</function> to set the location of the result set
   pointer.
  </para>

 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>stmt</parameter></term>
      <listitem>
       <para>
        A valid <literal>stmt</literal> resource.
       </para>
      </listitem>
     </varlistentry>
    <varlistentry>
     <term><parameter>column</parameter></term>
      <listitem>
       <para>
        Either an integer mapping to the 0-indexed field in the result set, or
        a string matching the name of the column.
       </para>
      </listitem>
     </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the value of the requested field if the field exists in the result
   set. Returns &null; if the field does not exist, and issues a warning.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>db2_result</function> example</title>
    <para>
     The following example demonstrates how to iterate through a result set
     with <function>db2_fetch_row</function> and retrieve columns from the
     result set with <function>db2_result</function>.
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$sql = 'SELECT name, breed FROM animals WHERE weight < ?';
$stmt = db2_prepare($conn, $sql);
db2_execute($stmt, array(10));
while (db2_fetch_row($stmt)) {
    $name = db2_result($stmt, 0);
    $breed = db2_result($stmt, 'BREED');
    print "$name $breed";
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
cat Pook
gold fish Bubbles
budgerigar Gizmo
goat Rickety Ride
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>db2_fetch_array</function></member>
    <member><function>db2_fetch_assoc</function></member>
    <member><function>db2_fetch_both</function></member>
    <member><function>db2_fetch_object</function></member>
    <member><function>db2_fetch_row</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->