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mysqli::stat -- mysqli_statGets the current system status


Object-oriented style

public mysqli::stat(): string|false

Procedural style

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.



Procedural style only: A mysqli object returned by mysqli_connect() or mysqli_init()

Return Values

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


Example #1 mysqli::stat() example

Object-oriented style


$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

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

Procedural style


$link = mysqli_connect("localhost", "my_user", "my_password", "world");

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

The above examples will output:

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

See Also

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User Contributed Notes 1 note

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,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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