mysqli::kill
(PHP 5, PHP 7, PHP 8)
Asks the server to kill a MySQL thread
Function-8-4-0
Description
Oop
mysqli::kill(int $process_id): bool
Procedural
mysqli_kill(mysqli $mysql, int $process_id): bool
This function is used to ask the server to kill a MySQL thread specified by the process_id parameter. This value must be retrieved by calling the mysqli_thread_id() function.
To stop a running query you should use the SQL command KILL QUERY processid.
Parameters
Return Values
Success
Errors/Exceptions Conditionalexception
Changelog
| Version | Description |
|---|---|
| 8.4.0 | Both mysqli::kill and mysqli_kill() are now deprecated. Use the KILL SQL command instead. |
Examples
mysqli::kill example
Oop
php
<?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
php
<?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);
?>Outputs
output
Error: MySQL server has gone away