(PHP 5, PHP 7)
mysqli::kill -- mysqli_kill — Asks the server to kill a MySQL thread
Object oriented style
$processid
) : boolProcedural style
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.
linkProcedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
Returns TRUE on success or FALSE on failure.
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