## Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Mysqlnd_uh Configure Options
Name | Default | Changeable | Changelog
--- | --- | --- | ---
mysqlnd_uh.enable | 1 | PHP_INI_SYSTEM |
mysqlnd_uh.report_wrong_types | 1 | PHP_INI_ALL |

Here's a short explanation of the configuration directives.

`mysqlnd_uh.enable` int

  Enables or disables the plugin. If set to disabled, the extension will not allow users to plug into mysqlnd to hook mysqlnd calls.

`mysqlnd_uh.report_wrong_types` int

  Whether to report wrong return value types of user hooks as `E_WARNING` level errors. This is recommended for detecting errors.