(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::getProtocolInformation — Returns the version of the MySQL protocol used
$connection
   )Returns the version of the MySQL protocol used.
connectionMysqlnd connection handle. Do not modify!
The protocol version.
Example #1 MysqlndUhConnection::getProtocolInformation() example
<?php
class proxy extends MysqlndUhConnection {
 public function getProtocolInformation($res) {
  printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
  $ret = parent::getProtocolInformation($res);
  printf("%s returns %s\n", __METHOD__, var_export($ret, true));
  return $ret;
 }
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
var_dump($mysqli->protocol_version);
?>
The above example will output:
proxy::getProtocolInformation(array ( 0 => NULL, )) proxy::getProtocolInformation returns 10 int(10)