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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<refentry id="function.mysqli-field-seek">
<refnamediv>
<refname>mysqli_field_seek</refname>
<refname>result->field_seek</refname>
<refpurpose>
Set result pointer to a specified field offset
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>Procedural style:</para>
<methodsynopsis>
<type>bool</type><methodname>mysqli_field_seek</methodname>
<methodparam><type>mysqli_result</type><parameter>result</parameter></methodparam>
<methodparam><type>int</type><parameter>fieldnr</parameter></methodparam>
</methodsynopsis>
<para>Object oriented style (method):</para>
<classsynopsis>
<ooclass><classname>mysqli_result</classname></ooclass>
<methodsynopsis>
<type>bool</type><methodname>field_seek</methodname>
<methodparam><type>int</type><parameter>fieldnr</parameter></methodparam>
</methodsynopsis>
</classsynopsis>
<para>
Sets the field cursor to the given offset. The next call to <function>mysqli_fetch_field</function>
will retrieve the field definition of the column associated with that offset.
</para>
<note>
<para>To seek to the beginning of a row, pass an offset value of zero.</para>
</note>
</refsect1>
<refsect1>
&reftitle.returnvalues;
<para>
<function>mysqli_field_seek</function> returns previuos value of field cursor.
</para>
</refsect1>
<refsect1>
&reftitle.seealso;
<para>
<function>mysqli_fetch_field</function>.
</para>
</refsect1>
<refsect1>
&reftitle.examples;
<example>
<title>Object oriented style</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();
}
$query = "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";
if ($result = $mysqli->query($query)) {
/* Get field information for 2nd column */
$result->field_seek(1);
$finfo = $result->fetch_field();
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\n", $finfo->type);
$result->close();
}
/* close connection */
$mysqli->close();
?>
]]>
</programlisting>
</example>
<example>
<title>Procedural style</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();
}
$query = "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";
if ($result = mysqli_query($link, $query)) {
/* Get field information for 2nd column */
mysqli_field_seek($result, 1);
$finfo = mysqli_fetch_field($result);
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\n", $finfo->type);
mysqli_free_result($result);
}
/* close connection */
mysqli_close($link);
?>
]]>
</programlisting>
</example>
&example.outputs;
<screen>
<![CDATA[
Name: SurfaceArea
Table: Country
max. Len: 10
Flags: 32769
Type: 4
]]>
</screen>
</refsect1>
</refentry>
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