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[edit] Last updated: Fri, 23 Mar 2012

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mysqli::stat

mysqli_stat

(PHP 5)

mysqli::stat -- mysqli_statGets the current system status

Opis

Styl obiektowy

string mysqli::stat ( void )

Styl proceduralny

string mysqli_stat ( mysqli $link )

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.

Parametry

połączenie

Tylko styl proceduralny: Identyfikator połączenia zwrócony przez mysqli_connect() lub mysqli_init()

Zwracane wartości

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

Przykłady

Przykład #1 mysqli::stat() example

Styl obiektowy

<?php
$mysqli 
= new mysqli("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

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

$mysqli->close();
?>

Styl proceduralny

<?php
$link 
mysqli_connect("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

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

mysqli_close($link);
?>

Powyższe przykłady wyświetlą:

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

Zobacz też:



add a note add a note User Contributed Notes mysqli::stat
nycdiesl at gmail dot com 01-May-2009 12:10
PHP 5.2.9
A small example

<?php
$dbh
= new mysqli('host', 'user', 'password', 'database');
if (
$dbh->connect_error) {
   die(
"Connection Error ({$dbh->connect_errno}) {$dbh->connect_error}");
}

if ((
$stats = $dbh->stat()) !== FALSE) {
   echo
"Dumping output method stat() ...\n";
   echo
"$stats\n";

  
$statsArray = explode("  ", $stats);
  
print_r($stats);
}
?>

Dumping stats:
Uptime: 1095822  Threads: 5  Questions: 5326101  Slow queries: 0  Opens: 7352  Flush tables: 1  Open tables: 60  Queries per second avg: 4.860
Array
(
    [0] => Uptime: 1095822
    [1] => Threads: 5
    [2] => Questions: 5326101
    [3] => Slow queries: 0
    [4] => Opens: 7352
    [5] => Flush tables: 1
    [6] => Open tables: 60
    [7] => Queries per second avg: 4.860
)

The above code will print out a string and then attempt to create an array by exploding the string using a delimiter of two spaces (eg: "  "). This should give you an array to work with, however, I'm just beginning to use this extension, so feel free to correct any errors discovered :)

 
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