mysqli_stat

mysqli->stat()

(PHP 5)

mysqli->stat() — Gets the current system status

说明

Procedural style:

string mysqli_stat ( mysqli $link )

Object oriented style (method):

mysqli

string stat ( void )

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.

参数

link: Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

返回值

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

范例

Example#1 Object oriented style


<?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();
?>

Example#2 Procedural style


<?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);
?>

上例将输出：

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

参见

mysqli_get_server_info()


	PHP5中文手册 mysqli_ssl_set mysqli_stmt_affected_rows mysqli PHP Manual mysqli_stat mysqli->stat() (PHP 5) mysqli->stat() — Gets the current system status 说明 Procedural style: string mysqli_stat ( mysqli `$link` ) Object oriented style (method): mysqli string stat ( void ) 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. 参数 `link` Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init() 返回值 A string describing the server status. `FALSE` if an error occurred. 范例 Example#1 Object oriented style `<?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(); ?>` Example#2 Procedural style* `<?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); ?>` 上例将输出： 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 参见 mysqli_get_server_info() mysqli_ssl_set mysqli_stmt_affected_rows mysqli PHP Manual