mysqli::stat

mysqli_stat

(PHP 5, PHP 7, PHP 8)

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

Descrizione

Stile orientato agli oggetti

public mysqli::stat(): string|false

Stile procedurale

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.

Elenco dei parametri

link: Solo nello stile procedurale: un identificatore restituito da mysqli_connect() o mysqli_init()

Valori restituiti

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

Esempi

Example #1 mysqli::stat() example

Stile orientato agli oggetti

<?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());

Stile procedurale

<?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));

I precedenti esempi visualizzeranno:

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

Vedere anche:

mysqli_get_server_info() - Returns the version of the MySQL server

Found A Problem?

Learn How To Improve This Page • Submit a Pull Request • Report a Bug

＋add a note

User Contributed Notes 1 note

down

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

＋add a note