Same day departure as that of the arrival was denied to me at Poi Phet, Cambodia immigration exit.
The officer said I must stay at least one day in Cambodia.
If this wasn't the case for same day arrivals and departures through the Aranyaprathet-Poipet Crossing, it now is.
I just thought someone here would find it of interest.
TLDR : Answer Summary
A user reported being denied same-day departure from Cambodia at the Poi Phet border, where they were informed that a minimum one-night stay is now required. This has raised concerns among expats, especially regarding the increasing complications at the Aranyaprathet-Poipet border. Many commenters share warnings about this border crossing, suggesting alternatives and expressing the general deterioration of the situation since the pandemic, indicating issues with booking accommodations and potential waiting times.