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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="mysqli-result.fetch-field-direct" xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude">
<refnamediv>
<refname>mysqli_result::fetch_field_direct</refname>
<refname>mysqli_fetch_field_direct</refname>
<refpurpose>Fetch meta-data for a single field</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>&style.oop;</para>
<methodsynopsis role="mysqli_result">
<modifier>public</modifier> <type class="union"><type>object</type><type>false</type></type><methodname>mysqli_result::fetch_field_direct</methodname>
<methodparam><type>int</type><parameter>index</parameter></methodparam>
</methodsynopsis>
<para>&style.procedural;</para>
<methodsynopsis>
<type class="union"><type>object</type><type>false</type></type><methodname>mysqli_fetch_field_direct</methodname>
<methodparam><type>mysqli_result</type><parameter>result</parameter></methodparam>
<methodparam><type>int</type><parameter>index</parameter></methodparam>
</methodsynopsis>
<para>
Returns an object which contains field definition information from the
specified result set.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&mysqli.result.description;
<varlistentry>
<term><parameter>index</parameter></term>
<listitem>
<para>
The field number. This value must be in the range from
<literal>0</literal> to <literal>number of fields - 1</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an object which contains field definition information or &false;
if no field information for specified <parameter>index</parameter> is
available.
</para>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('mysqli-result.fetch-fields')/db:refsect1[@role='returnvalues']/db:table)">
<xi:fallback/>
</xi:include>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>&style.oop;</title>
<programlisting role="php">
<![CDATA[
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, SurfaceArea from Country ORDER BY Name LIMIT 5";
if ($result = $mysqli->query($query)) {
/* Get field information for column 'SurfaceArea' */
$finfo = $result->fetch_field_direct(1);
printf("Name: %s\n", $finfo->name);
printf("Table: %s\n", $finfo->table);
printf("max. Len: %d\n", $finfo->max_length);
printf("Flags: %d\n", $finfo->flags);
printf("Type: %d\n", $finfo->type);
$result->close();
}
/* close connection */
$mysqli->close();
?>
]]>
</programlisting>
</example>
<example>
<title>&style.procedural;</title>
<programlisting role="php">
<![CDATA[
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, SurfaceArea from Country ORDER BY Name LIMIT 5";
if ($result = mysqli_query($link, $query)) {
/* Get field information for column 'SurfaceArea' */
$finfo = mysqli_fetch_field_direct($result, 1);
printf("Name: %s\n", $finfo->name);
printf("Table: %s\n", $finfo->table);
printf("max. Len: %d\n", $finfo->max_length);
printf("Flags: %d\n", $finfo->flags);
printf("Type: %d\n", $finfo->type);
mysqli_free_result($result);
}
/* close connection */
mysqli_close($link);
?>
]]>
</programlisting>
&examples.outputs;
<screen>
<![CDATA[
Name: SurfaceArea
Table: Country
max. Len: 10
Flags: 32769
Type: 4
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mysqli_num_fields</function></member>
<member><function>mysqli_fetch_field</function></member>
<member><function>mysqli_fetch_fields</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
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sgml-local-ecat-files:nil
End:
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vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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