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8.9.7.29 MysqlndUhConnection::ping

Copyright 1997-2018 the PHP Documentation Group.

  • MysqlndUhConnection::ping

    Pings a server connection, or tries to reconnect if the connection has gone down

Description

public bool MysqlndUhConnection::ping(mysqlnd_connection connection);

Pings a server connection, or tries to reconnect if the connection has gone down.

Parameters

connection

Mysqlnd connection handle. Do not modify!

Return Values

Returns TRUE on success. Otherwise, returns FALSE

Examples

Example 8.369 MysqlndUhConnection::ping example

<?php
class proxy extends MysqlndUhConnection {
 public function ping($res) {
  printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
  $ret = parent::ping($res);
  printf("%s returns %s\n", __METHOD__, var_export($ret, true));
  return $ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->ping();
?>

The above example will output:


proxy::ping(array (
  0 => NULL,
))
proxy::ping returns true


See Also

mysqlnd_uh_set_connection_proxy
mysqli_ping
mysql_ping