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mysqli::stat

mysqli_stat

(PHP 5, PHP 7, PHP 8)

mysqli::stat -- mysqli_statObtém o status atual do sistema

Descrição

Estilo orientado à objeto

public mysqli::stat(): string|false

Estilo procedural

mysqli_stat(mysqli $mysql): string|false

mysqli_stat() retorna uma string contendo informações semelhantes àquelas fornecidas pelo comando 'mysqladmin status'. Isso inclui o tempo de atividade em segundos e o número de threads em execução, perguntas, recarregamentos e tabelas abertas.

Parâmetros

link

Somente no estilo procedural: Um recurso link retornado por mysqli_connect() ou mysqli_init()

Valor Retornado

Uma string que descreve o status do servidor. false se ocorreu um erro.

Exemplos

Exemplo #1 mysqli::stat() exemplo

Estilo orientado à objeto

<?php

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

printf ("Status do sistema: %s\n", $mysqli->stat());

Estilo procedural

<?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));

Os exemplos acima irão imprimir:

Status do sistema: 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
6 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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