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PHP. Руководство по PHP. 2005

mysqli_thread_id

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mysqli_thread_id

(PHP 5)mysqli_thread_id

(no version information, might be only in CVS)mysqli->thread_id -- Returns the thread ID for the current connection

Description

Procedural style:int mysqli_thread_id (mysqli link)

Object oriented style (property):class mysqli {

int thread_id

}

The mysqli_thread_id() function returns the thread

ID for the current connection which can then be killed using the

mysqli_kill() function. If the connection is lost

and you reconnect with mysqli_ping(), the thread ID

will be other. Therefore you should get the thread ID only when you need it.

Замечание:

The thread ID is assigned on a connection-by-connection basis. Hence,

if the connection is broken and then re-established a new thread ID

will be assigned.

To kill a running query you can use the SQL command KILL QUERY processid.

Возвращаемые значения

mysqli_thread_id() returns the Thread ID for the current connection.

Смотрите также

mysqli_kill().

Примеры

Пример 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();

}

/* determine our thread id */

$thread_id = $mysqli->thread_id;

/* Kill connection */

$mysqli->kill($thread_id);

/* This should produce an error */

if (!$mysqli->query("CREATE TABLE myCity LIKE City")){

printf("Error: %s\n", $mysqli->error);

exit;

}

/* close connection */

$mysqli->close();

?>

Пример 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();

}

/* determine our thread id */

$thread_id = mysqli_thread_id($link);

/* Kill connection */

mysqli_kill($link, $thread_id);

/* This should produce an error */

if (!mysqli_query($link, "CREATE TABLE myCity LIKE City")){

printf("Error: %s\n", mysqli_error($link));

exit;

}

/* close connection */

mysqli_close($link);

?>

Результат выполнения данного примера:

Error: MySQL server has gone away

Пред.

Начало

След.

mysqli_store_result

Уровень выше

mysqli_thread_safe

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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