Installation
Predefined Constants
Installing/Configuring
PHP Manual

## Runtime Configuration

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

Mysqlnd_mux Configure Options
Name | Default | Changeable | Changelog
--- | --- | --- | ---
mysqlnd_mux.enable | 0 | PHP_INI_SYSTEM |

Here's a short explanation of the configuration directives.

`mysqlnd_mux.enable` integer

  Enables or disables the plugin. If disabled, the extension will not plug into mysqlnd to proxy internal mysqlnd C API calls.