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php-doc-ru/reference/mysql/functions/mysql-stat.xml
Sergey Panteleev 300ffa98fb Исправление форматирования (#362)
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 4754397753fd79f1c846868b66a2448babab1c54 Maintainer: shein Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="function.mysql-stat" xmlns="http://docbook.org/ns/docbook" xmlns:phd="http://www.php.net/ns/phd">
<refnamediv>
<refname>mysql_stat</refname>
<refpurpose>Возвращает текущий статус сервера</refpurpose>
</refnamediv>
<refsynopsisdiv>
<warning>
&mysql.alternative.note;
<simplelist role="alternatives">
<member><function>mysqli_stat</function></member>
<member><methodname phd:args="PDO::ATTR_SERVER_INFO">PDO::getAttribute</methodname></member>
</simplelist>
</warning>
</refsynopsisdiv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>mysql_stat</methodname>
<methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter><initializer>NULL</initializer></methodparam>
</methodsynopsis>
<para>
<function>mysql_stat</function> возвращает текущий статус сервера.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&mysql.linkid.description;
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Возвращает строку с данными аптайма, количества потоков, запросов,
количеством открытых таблиц и таблиц с сброшенным внутренним кешем
(flush tables), а также количество запросов в секунду. Для получения
полного списка других переменных вам необходимо будет использовать
SQL-запрос <literal>SHOW STATUS</literal>.
Если передан некорректный <parameter>link_identifier</parameter>,
то будет возвращён &null;.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Пример использования <function>mysql_stat</function></title>
<programlisting role="php">
<![CDATA[
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$status = explode(' ', mysql_stat($link));
print_r($status);
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[0] => Uptime: 5380
[1] => Threads: 2
[2] => Questions: 1321299
[3] => Slow queries: 0
[4] => Opens: 26
[5] => Flush tables: 1
[6] => Open tables: 17
[7] => Queries per second avg: 245.595
)
]]>
</screen>
</example>
</para>
<para>
<example>
<title>Альтернативный пример использования <function>mysql_stat</function></title>
<programlisting role="php">
<![CDATA[
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$result = mysql_query('SHOW STATUS', $link);
while ($row = mysql_fetch_assoc($result)) {
echo $row['Variable_name'] . ' = ' . $row['Value'] . "\n";
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
back_log = 50
basedir = /usr/local/
bdb_cache_size = 8388600
bdb_log_buffer_size = 32768
bdb_home = /var/db/mysql/
bdb_max_lock = 10000
bdb_logdir =
bdb_shared_data = OFF
bdb_tmpdir = /var/tmp/
...
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mysql_get_server_info</function></member>
<member><function>mysql_list_processes</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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