IBNHIBBAN 5284:
from Abū Hurayrah —
[Machine] The Messenger of Allah ﷺ said, "Hospitality lasts for three days, and anything beyond that is considered as charity."
ابن حبّان ٥٢٨٤:
عن ابو هريره —
قَالَ رَسُولُ اللَّهِ ﷺ «الضِّيَافَةُ ثَلَاثَةُ أَيَّامٍ فَمَا وَرَاءَهَا فَهُوَ صَدَقَةٌ»