mysqli_kill(3) [php man page]

MYSQLI_KILL(3)								 1							    MYSQLI_KILL(3)

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

       Object oriented style

SYNOPSIS

       bool mysqli::kill (int  $processid)

DESCRIPTION

       Procedural style
       bool mysqli_kill (mysqli  $link, int  $processid)

	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(3) function.

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

PARAMETERS

	      o $
		link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)

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
", 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
", $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
", 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($link, "CREATE TABLE myCity LIKE City")) {
		  printf("Error: %s
", mysqli_error($link));
		  exit;
	      }

	      /* close connection */
	      mysqli_close($link);
	      ?>

	      The above examples will output:

	      Error: MySQL server has gone away

SEE ALSO

       mysqli_thread_id(3).

PHP Documentation Group 													    MYSQLI_KILL(3)

Check Out this Related Man Page

MYSQLI_PING(3)								 1							    MYSQLI_PING(3)

mysqli::ping - Pings a server connection, or tries to reconnect if the connection has gone down

       Object oriented style

SYNOPSIS

       bool mysqli::ping (void	)

DESCRIPTION

       Procedural style
       bool mysqli_ping (mysqli  $link)

	Checks	whether  the  connection to the server is working. If it has gone down, and global option mysqli.reconnect is enabled an automatic
       reconnection is attempted.

	This function can be used by clients that remain idle for a long while, to check whether the server has closed the connection  and  recon-
       nect if necessary.

PARAMETERS

	      o $
		link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      mysqli::ping example

	      Object oriented style

	      <?php
	      $mysqli = new mysqli("localhost", "my_user", "my_password", "world");

	      /* check connection */
	      if ($mysqli->connect_errno) {
		  printf("Connect failed: %s
", $mysqli->connect_error);
		  exit();
	      }

	      /* check if server is alive */
	      if ($mysqli->ping()) {
		  printf ("Our connection is ok!
");
	      } else {
		  printf ("Error: %s
", $mysqli->error);
	      }

	      /* 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
", mysqli_connect_error());
		  exit();
	      }

	      /* check if server is alive */
	      if (mysqli_ping($link)) {
		  printf ("Our connection is ok!
");
	      } else {
		  printf ("Error: %s
", mysqli_error($link));
	      }

	      /* close connection */
	      mysqli_close($link);
	      ?>

	      The above examples will output:

	      Our connection is ok!

PHP Documentation Group 													    MYSQLI_PING(3)

Linux and UNIX Man Pages

mysqli_kill(3) [php man page]

Check Out this Related Man Page