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.