mysqli_stat
(PHP 5)
mysqli_stat
(no version information, might be only in CVS)
mysqli->stat -- Gets the current system status
Description
Procedural style:
mixed
mysqli_stat ( mysqli link )
Object oriented style (method):
class
mysqli {
mixed
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.
返回值
A string describing the server status. FALSE if an error occurred.
例
例子 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();
?>
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例子 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);
?>
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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 |