PHP Manual
MysqlndUhConnection
Dump debugging information into the log for the MySQL server

MysqlndUhConnection::serverDumpDebugInformation

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::serverDumpDebugInformation — Dump debugging information into the log for the MySQL server

说明

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

Dump debugging information into the log for the MySQL server.

参数

connection: Mysqlnd connection handle. Do not modify!

返回值

Returns TRUE on success. Otherwise, returns FALSE

范例

Example #1 MysqlndUhConnection::serverDumpDebugInformation() example

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

以上例程会输出：

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

参见

mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
mysqli_dump_debug_info() - 将调试信息输出到日志