/**
* Injects merge settings at runtime.
* Work like $injectedSettings, but will *merge* the values instead of overwriting them.
*
* @since 5.3
* @param array $settings hash of settings organized under filename, block
* and variable, for instance:
* $settings['site.ini']['ActiveExtensions'] = 'myownextension';
*/
static function injectMergeSettings(array $settings)
{
self::$injectedMergeSettings = $settings;
}