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https://github.com/sigmasternchen/php-doc-en
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42c93b5280
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@183245 c90b9560-bf6c-de11-be94-00142212c4b1
113 lines
2.7 KiB
XML
113 lines
2.7 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.8 $ -->
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<refentry id="function.mysql-num-rows">
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<refnamediv>
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<refname>mysql_num_rows</refname>
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<refpurpose>Get number of rows in result</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>mysql_num_rows</methodname>
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<methodparam><type>resource</type><parameter>result</parameter></methodparam>
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</methodsynopsis>
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<para>
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Retrieves the number of rows from a result set. This command is only valid
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for SELECT statements. To retrieve the number of rows affected by a INSERT,
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UPDATE, or DELETE query, use <function>mysql_affected_rows</function>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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&mysql.result.description;
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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The number of rows in a result set on success, or &false; on failure.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>mysql_num_rows</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$link = mysql_connect("localhost", "mysql_user", "mysql_password");
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mysql_select_db("database", $link);
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$result = mysql_query("SELECT * FROM table1", $link);
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$num_rows = mysql_num_rows($result);
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echo "$num_rows Rows\n";
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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<note>
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<para>
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If you use <function>mysql_unbuffered_query</function>,
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<function>mysql_num_rows</function> will not return the
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correct value until all the rows in the result set have been
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retrieved.
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</para>
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</note>
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<note>
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<para>
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&info.deprecated.alias;
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<function>mysql_numrows</function>
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</para>
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</note>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>mysql_affected_rows</function></member>
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<member><function>mysql_connect</function></member>
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<member><function>mysql_data_seek</function></member>
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<member><function>mysql_select_db</function></member>
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<member><function>mysql_query</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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