<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.mssql-field-seek" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>mssql_field_seek</refname>
  <refpurpose>Seeks to the specified field offset</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>mssql_field_seek</methodname>
   <methodparam><type>resource</type><parameter>result</parameter></methodparam>
   <methodparam><type>int</type><parameter>field_offset</parameter></methodparam>
  </methodsynopsis>
  <para>
   Seeks to the specified field offset.  If the next call to
   <function>mssql_fetch_field</function> won't include a field
   offset, this field would be returned.
  </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>
    <varlistentry>
     <term><parameter>field_offset</parameter></term>
     <listitem>
      <para>
       The field offset, starts at 0.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Using <function>mssql_field_seek</function> on the example for <function>mssql_fetch_field</function></title>
    <programlisting role="php">
<![CDATA[
<?php
// Connect to MSSQL and select the database
mssql_connect('MANGO\SQLEXPRESS', 'sa', 'phpfi');
mssql_select_db('php');

// Send a select query to MSSQL
$query = mssql_query('SELECT * FROM [php].[dbo].[persons]');

// Construct table
echo '<h3>Table structure for \'persons\'</h3>';
echo '<table border="1">';

// Table header
echo '<thead>';
echo '<tr>';
echo '<td>Field name</td>';
echo '<td>Data type</td>';
echo '<td>Max length</td>';
echo '</tr>';
echo '</thead>';

// Dump all fields
echo '<tbody>';

for ($i = 0; $i < mssql_num_fields($query); ++$i) {
    // Fetch the field information, notice the 
    // field_offset parameter is not set. See 
    // the mssql_field_seek call below
    $field = mssql_fetch_field($query);

    // Print the row
    echo '<tr>';
    echo '<td>' . $field->name . '</td>';
    echo '<td>' . strtoupper($field->type) . '</td>';
    echo '<td>' . $field->max_length . '</td>';
    echo '</tr>';

    // Move the internal seek pointer to the next
    // row in the result set
    mssql_field_seek($query, $i + 1);
}

echo '</tbody>';
echo '</table>';

// Free the query result
mssql_free_result($query);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mssql_fetch_field</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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