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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 299161 $ -->
<refentry xml:id="mysqli-stmt.num-rows" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>mysqli_stmt::num_rows</refname>
<refname>mysqli_stmt_num_rows</refname>
<refpurpose>Return the number of rows in statements result set</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>&style.oop;</para>
<classsynopsis>
<ooclass><classname>mysqli_stmt</classname></ooclass>
<fieldsynopsis><type>int</type><varname>num_rows</varname></fieldsynopsis>
</classsynopsis>
<para>&style.procedural;</para>
<methodsynopsis>
<type>int</type><methodname>mysqli_stmt_num_rows</methodname>
<methodparam><type>mysqli_stmt</type><parameter>stmt</parameter></methodparam>
</methodsynopsis>
<para>
Returns the number of rows in the result set.
The use of <function>mysqli_stmt_num_rows</function>
depends on whether or not you used
<function>mysqli_stmt_store_result</function> to buffer the entire result
set in the statement handle.
</para>
<para>
If you use <function>mysqli_stmt_store_result</function>,
<function>mysqli_stmt_num_rows</function> may be called immediately.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&mysqli.stmt.description;
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
An integer representing the number of rows in result set.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<para>&style.oop;</para>
<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();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
if ($stmt = $mysqli->prepare($query)) {
/* execute query */
$stmt->execute();
/* store result */
$stmt->store_result();
printf("Number of rows: %d.\n", $stmt->num_rows);
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
?>
]]>
</programlisting>
<para>&style.procedural;</para>
<programlisting role="php">
<![CDATA[
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name LIMIT 20";
if ($stmt = mysqli_prepare($link, $query)) {
/* execute query */
mysqli_stmt_execute($stmt);
/* store result */
mysqli_stmt_store_result($stmt);
printf("Number of rows: %d.\n", mysqli_stmt_num_rows($stmt));
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>
]]>
</programlisting>
&examples.outputs;
<screen>
<![CDATA[
Number of rows: 20.
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mysqli_stmt_affected_rows</function></member>
<member><function>mysqli_prepare</function></member>
<member><function>mysqli_stmt_store_result</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
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sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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-->
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