(PHP 5, PHP 7, PHP 8)
mysqli::kill -- mysqli_kill — Asks the server to kill a MySQL thread
Object-oriented style
Procedural style
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
.
mysql
Procedural style only: A mysqli object returned by mysqli_connect() or mysqli_init()
If mysqli error reporting is enabled (MYSQLI_REPORT_ERROR
) and the requested operation fails,
a warning is generated. If, in addition, the mode is set to MYSQLI_REPORT_STRICT
,
a mysqli_sql_exception is thrown instead.
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