Answers for "Failed to fetch https://packages.sury.org/php/dists/jessie/main/binary-amd64/Packages HttpError404"

Failed to fetch https://packages.sury.org/php/dists/jessie/main/binary-amd64/Packages HttpError404

it because the "jessie" has been removed.

to change it, follow this step:
sudo nano /etc/apt/sources.list.d/php.list

change this line
	deb https://packages.sury.org/php/ jessie main
to this
	deb https://packages.sury.org/php/ stretch main

save