Php/docs/mysqlnduhconnection.getwarningcount

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MysqlndUhConnection::getWarningCount

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getWarningCountReturns the number of warnings from the last query for the given link


说明

public MysqlndUhConnection::getWarningCount ( mysqlnd_connection $connection ) : int

Returns the number of warnings from the last query for the given link.


参数

connection
Mysqlnd connection handle. Do not modify!


返回值

Number of warnings.


范例

Example #1 MysqlndUhConnection::getWarningCount() example

<?phpclass proxy extends MysqlndUhConnection { public function getWarningCount($res) {  printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));  $ret = parent::getWarningCount($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->warning_count);?>

以上例程会输出:


proxy::getWarningCount(array (
  0 => NULL,
))
proxy::getWarningCount returns 0
int(0)

参见