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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 317865 $ -->
<refentry xml:id="mysqlnduhconnection.listfields" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>MysqlndUhConnection::listFields</refname>
<refpurpose>List MySQL table fields</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>array</type><methodname>MysqlndUhConnection::listFields</methodname>
<methodparam><type>mysqlnd_connection</type><parameter>connection</parameter></methodparam>
<methodparam><type>string</type><parameter>table</parameter></methodparam>
<methodparam><type>string</type><parameter>achtung_wild</parameter></methodparam>
</methodsynopsis>
<para>
List MySQL table fields.
</para>
&warn.undocumented.func;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>connection</parameter></term>
<listitem>
<para>
Mysqlnd connection handle. Do not modify!
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>table</parameter></term>
<listitem>
<para>
The name of the table that's being queried.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>pattern</parameter></term>
<listitem>
<para>
Name pattern.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>MysqlndUhConnection::listFields</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
class proxy extends MysqlndUhConnection {
public function listFields($res, $table, $pattern) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::listFields($res, $table, $pattern);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysql = mysql_connect("localhost", "root", "");
mysql_select_db("test", $mysql);
mysql_query("DROP TABLE IF EXISTS test_a", $mysql);
mysql_query("CREATE TABLE test_a(id INT, col1 VARCHAR(255))", $mysql);
$res = mysql_list_fields("test", "test_a", $mysql);
printf("num_rows = %d\n", mysql_num_rows($res));
while ($row = mysql_fetch_assoc($res))
var_dump($row);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
proxy::listFields(array (
0 => NULL,
1 => 'test_a',
2 => '',
))
proxy::listFields returns NULL
num_rows = 0
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member>
<function>mysqlnd_uh_set_connection_proxy</function>
</member>
<member>
<function>mysql_list_fields</function>
</member>
</simplelist>
</para>
</refsect1>
</refentry>
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