1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
|
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- Generated by xml_proto.php v2.2. Found in /scripts directory of phpdoc. -->
<refentry id="function.db2-result">
<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>mixed</type><methodname>db2_result</methodname>
<methodparam><type>resource</type><parameter>stmt</parameter></methodparam>
<methodparam><type>mixed</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:"../../../../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
-->
|