class@anonymous::stream_seek( int $offset, int $whence )

275            public function stream_seek(int $offset, int $whence): bool276            {277                if (\SEEK_SET === $whence && (0 <= $offset && \strlen($this->data) >= $offset)) {278                    $this->position = $offset;279                } elseif (\SEEK_CUR === $whence && 0 <= $offset) {280                    $this->position += $offset;281                } elseif (\SEEK_END === $whence && (0 > $offset && 0 <= $offset = \strlen($this->data) + $offset)) {282                    $this->position = $offset;283                } else {284                    return \false;285                }286                return \true;287            }