mysqli_kill

(PHP 5, PHP 7, PHP 8)

mysqli::kill -- mysqli_kill — Asks the server to kill a MySQL thread

Warning

This function has been DEPRECATED as of PHP 8.4.0. Relying on this function is highly discouraged.

Description

Object-oriented style

To stop a running query you should use the SQL command KILL QUERY processid.

Return Values

Returns true on success or false on failure.

Changelog

Version	Description
8.4.0	Both mysqli::kill() and mysqli_kill() are now deprecated. Use the `KILL` SQL command instead.

Examples

Example #1 mysqli::kill() example

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();
?>

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);
?>

The above examples will output:

Error: MySQL server has gone away

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