Php/docs/mysqli.kill
mysqli::kill
mysqli_kill
(PHP 5, PHP 7)
mysqli::kill -- mysqli_kill — Asks the server to kill a MySQL thread
Description
Object oriented style
public mysqli::kill
( int $processid
) : bool
Procedural style
mysqli_kill
( mysqli $link
, int $processid
) : bool
This function is used to ask the server to kill a MySQL thread specified
by the processid parameter. This value must be
retrieved by calling the mysqli_thread_id() function.
To stop a running query you should use the SQL command
KILL QUERY processid.
Parameters
link- Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 mysqli::kill() example
Object oriented style
<?php$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
