mysqli::stat

    mysqli_stat

    (PHP 5, PHP 7, PHP 8)

    mysqli::stat -- mysqli_stat — Gets the current system status

    Опис

    Об'єктно-орієнтований стиль

    public mysqli::stat(): string|false

    Процедурний стиль

    mysqli_stat(mysqli $mysql): string|false

    mysqli_stat() returns a string containing information similar to that provided by the 'mysqladmin status' command. This includes uptime in seconds and the number of running threads, questions, reloads, and open tables.

    Параметри

    mysql

    Тільки процедурний стиль: об'єкт mysqli, якого повертає функція mysqli_connect() або mysqli_init()

    Значення, що повертаються

    A string describing the server status. false if an error occurred.

    Приклади

    Приклад #1 mysqli::stat() example

    Об'єктно-орієнтований стиль

    <?php

    mysqli_report    (MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
    $mysqli = new mysqli("localhost", "my_user", "my_password", "world");

    printf("System status: %s\n", $mysqli->stat());

    Процедурний стиль

    <?php

    mysqli_report    (MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
    $link = mysqli_connect("localhost", "my_user", "my_password", "world");

    printf("System status: %s\n", mysqli_stat($link));

    Подані вище приклади виведуть:

    System status: Uptime: 272  Threads: 1  Questions: 5340  Slow queries: 0
Opens: 13  Flush tables: 1  Open tables: 0  Queries per second avg: 19.632
Memory in use: 8496K  Max memory used: 8560K

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    User Contributed Notes 1 note

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    amosjohlong at hotmail dot com
    7 years ago
    Here is an explanation of the values that appear in connection->stat() returned string. It was taken from Ai Hua's April 29, 2006 answer on http://forums.mysql.com/read.php?12,86570,86570.

    Uptime--The number of seconds the MySQL server has been running.

    Threads--The number of active threads (clients).

    Questions--The number of questions (queries) from clients since the server was started.

    Slow queries--The number of queries that have taken more than long_query_time seconds.

    Opens--The number of tables the server has opened.

    Flush tables--The number of flush-*, refresh, and reload commands the server has executed.

    Open tables--The number of tables that currently are open.

    Queries per second avg--Questions divided by Uptime
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