Food Safety Report: Philly's Best, Brookhurst Street, Fountain Valley, California, USA 2 years ago • details 57 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain, Cramps Suspected source: Their cheese steak sanwich Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me