public function removeAll(): bool
    {
        if (!$this->adapter instanceof iAdapter) {
            return false;
        }

        // remove static-cache
        if (!empty(self::$STATIC_CACHE)) {
            self::$STATIC_CACHE = [];
            self::$STATIC_CACHE_COUNTER = [];
            self::$STATIC_CACHE_EXPIRE = [];
        }

        return $this->adapter->removeAll();
    }
public function removeAll(): bool
    {
        if (!$this->adapter instanceof iAdapter) {
            return false;
        }

        // remove static-cache
        if (!empty(self::$STATIC_CACHE)) {
            self::$STATIC_CACHE = [];
            self::$STATIC_CACHE_COUNTER = [];
            self::$STATIC_CACHE_EXPIRE = [];
        }

        return $this->adapter->removeAll();
    }
public function removeAll ( ) : bool { if ( ! $ this -> adapter instanceof iAdapter ) { return false ; } // remove static-cache if ( ! empty ( self :: $ STATIC_CACHE ) ) { self :: $ STATIC_CACHE = [ ] ; self :: $ STATIC_CACHE_COUNTER = [ ] ; self :: $ STATIC_CACHE_EXPIRE = [ ] ; } return $ this -> adapter -> removeAll ( ) ; }
Remove all cached-items.

@return bool
Remove all cached - items .