MysqlndUhConnection::ping

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::pingPings a server connection, or tries to reconnect if the connection has gone down

Descrizione

public MysqlndUhConnection::ping ( mysqlnd_connection $connection ) : bool

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

Elenco dei parametri

connection

Mysqlnd connection handle. Do not modify!

Valori restituiti

Returns TRUE on success. Otherwise, returns FALSE

Esempi

Example #1 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($rettrue));
  return 
$ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());

$mysqli = new mysqli("localhost""root""""test");
$mysqli->ping();
?>

Il precedente esempio visualizzerĂ :

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

Vedere anche:

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