mysqli::stat

    mysqli_stat

    (PHP 5, PHP 7, PHP 8)

    mysqli::stat -- mysqli_stat — Obtient le statut courant du système

    Description

    Style orienté objet

    public mysqli::stat(): string|false

    Style procédural

    mysqli_stat(mysqli $mysql): string|false

    mysqli_stat() retourne une chaîne de caractères contenant des informations similaires à la commande 'mysqladmin status'. Cela inclut le temps de fonctionnement, exprimé en secondes et le nombre de threads courant, le nombre de commandes, les tables rechargées et ouvertes.

    Liste de paramètres

    mysql

    Seulement en style procédural : Un objet mysqli retourné par la fonction mysqli_connect() ou mysqli_init().

    Valeurs de retour

    Une chaîne de caractères décrivant le statut du serveur. false est retourné si une erreur survient.

    Exemples

    Exemple #1 Exemple avec mysqli::stat()

    Style orienté objet

    <?php

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

    printf ("Statut du système : %s\n", $mysqli->stat());

    Style procédural

    <?php

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

    printf("Statut du système : %s\n", mysqli_stat($link));

    Les exemples ci-dessus vont afficher :

    Statut du système : 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

    up
    9
    amosjohlong at hotmail dot com
    8 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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