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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.9 $ -->
<refentry xml:id="function.mssql-num-fields" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>mssql_num_fields</refname>
<refpurpose>Gets the number of fields in result</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>mssql_num_fields</methodname>
<methodparam><type>resource</type><parameter>result</parameter></methodparam>
</methodsynopsis>
<para>
<function>mssql_num_fields</function> returns the number of
fields in a result set.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>result</parameter></term>
<listitem>
<para>
The result resource that is being evaluated. This result comes from a
call to <function>mssql_query</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the number of fields, as an integer.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>mssql_num_fields</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
// Connect to MSSQL
$link = mssql_connect('KALLESPC\SQLEXPRESS', 'sa', 'phpfi');
mssql_select_db('php', $link);
// Select some data from our database
$data = mssql_query('SELECT [name], [age] FROM [php].[dbo].[persons]');
// Construct a table
echo '<table border="1">';
$header = false;
// Iterate through returned results
while($row = mssql_fetch_array($data))
{
// Build the table header
if(!$header)
{
echo '<thead>';
echo '<tr>';
for($i = 1; ($i + 1) <= mssql_num_fields($data); ++$i)
{
echo '<td>' . ucfirst($row[$i]) . '</td>';
}
echo '</tr>';
echo '</thead>';
echo '<tbody>';
$header = true;
}
// Build the row
echo '<tr>';
foreach($row as $value)
{
echo '<td>' . $value . '</td>';
}
echo '</tr>';
}
// Close table
echo '</tbody>';
echo '</table>';
// Clean up
mssql_free_result($data);
mssql_close($link);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mssql_query</function></member>
<member><function>mssql_fetch_field</function></member>
<member><function>mssql_num_rows</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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