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<!-- $Revision: 1.20 $ -->
<refentry id="function.mysqli-data-seek">
 <refnamediv>
  <refname>mysqli_data_seek</refname>
  <refname>result->data_seek()</refname>
  <refpurpose>Adjusts the result pointer to an arbitary row in the result</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>Procedural style:</para>
  <methodsynopsis>
   <type>bool</type><methodname>mysqli_data_seek</methodname>
   <methodparam><type>mysqli_result</type><parameter>result</parameter></methodparam>
   <methodparam><type>int</type><parameter>offset</parameter></methodparam>
  </methodsynopsis>
  <para>Object oriented style (method):</para>
  <classsynopsis>
   <ooclass><classname>mysqli_result</classname></ooclass>
   <methodsynopsis>
    <type>bool</type><methodname>data_seek</methodname>
    <methodparam><type>int</type><parameter>offset</parameter></methodparam>
   </methodsynopsis>
  </classsynopsis>
  <para>
   The <function>mysqli_data_seek</function> function seeks to an arbitrary
   result pointer specified by the <parameter>offset</parameter> in the
   result set.
  </para>
 </refsect1>
 
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &mysqli.result.description;
    <varlistentry>
     <term><parameter>offset</parameter></term>
     <listitem>
      <para>
       The field offset. Must be between zero and the total number of rows
       minus one (0..<function>mysqli_num_rows</function> - 1).
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

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

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    This function can only be used with buffered results attained from the
    use of the <function>mysqli_store_result</function> or
    <function>mysqli_query</function> functions.
   </para>
  </note>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>Object oriented style</title>
   <programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if ($result = $mysqli->query( $query)) {

    /* seek to row no. 400 */
    $result->data_seek(399);

    /* fetch row */
    $row = $result->fetch_row();

    printf ("City: %s  Countrycode: %s\n", $row[0], $row[1]);

    /* free result set*/
    $result->close();
}

/* close connection */
$mysqli->close();
?>
]]>
  </programlisting>
  </example>
  <example>
   <title>Procedural style</title>
   <programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* check connection */
if (!$link) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

$query = "SELECT Name, CountryCode FROM City ORDER BY Name";

if ($result = mysqli_query($link, $query)) {

    /* seek to row no. 400 */
    mysqli_data_seek($result, 399);

    /* fetch row */
    $row = mysqli_fetch_row($result);

    printf ("City: %s  Countrycode: %s\n", $row[0], $row[1]);

    /* free result set*/
    mysqli_free_result($result);
}

/* close connection */
mysqli_close($link);
?>
]]>
   </programlisting>
  </example>
  &example.outputs;
  <screen>
<![CDATA[
City: Benin City  Countrycode: NGA
]]>
  </screen>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mysqli_store_result</function></member>
    <member><function>mysqli_fetch_row</function></member>
    <member><function>mysqli_fetch_array</function></member>
    <member><function>mysqli_fetch_assoc</function></member>
    <member><function>mysqli_fetch_object</function></member>
    <member><function>mysqli_query</function></member>
    <member><function>mysqli_num_rows</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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