HM\BackUpWordPress\Backup_Engine::__construct PHP Method

    public function __construct()
    {
        /**
         * Raise the `memory_limit` and `max_execution time`
         *
         * Respects the WP_MAX_MEMORY_LIMIT Constant and the `admin_memory_limit`
         * filter.
         */
        @ini_set('memory_limit', apply_filters('admin_memory_limit', WP_MAX_MEMORY_LIMIT));
        @set_time_limit(0);
        // Set a custom error handler so we can track errors
        set_error_handler(array($this, 'error_handler'));
    }

 /**
  * Set the default backup filename.
  */
 public function __construct()
 {
     parent::__construct();
     $this->set_backup_filename(implode('-', array(str_ireplace(array('http://', 'https://', 'www'), '', home_url()), 'backup', current_time('Y-m-d-H-i-s'))) . '.zip');
     $this->excludes = new Excludes();
 }