Elgg\Application::__construct PHP Method

    public function __construct(ServiceProvider $services)
    {
        $this->services = $services;
        /**
         * The time with microseconds when the Elgg engine was started.
         *
         * @global float
         */
        if (!isset($GLOBALS['START_MICROTIME'])) {
            $GLOBALS['START_MICROTIME'] = microtime(true);
        }
        $services->timer->begin([]);
        /**
         * This was introduced in 2.0 in order to remove all internal non-API state from $CONFIG. This will
         * be a breaking change, but frees us to refactor in 2.x without fear of plugins depending on
         * $CONFIG.
         *
         * @access private
         */
        if (!isset($GLOBALS['_ELGG'])) {
            $GLOBALS['_ELGG'] = new \stdClass();
        }
        $this->engine_dir = __DIR__ . '/../..';
    }