PHP is a free and open-source server-side scripting language.
PHP may also refer to: Parallel History Project, a website with information about the Cold War Partial hospitalization program, a program used to treat mental illness and substance abuse Physician health program, monitoring programs for healthcare professionals with substance use disorders Penultimate hop popping, a function of certain routers in MPLS computer networks Percutaneous hepatic perfusion, a regionalized cancer treatment Pigeonhole principle, a fundamental mathematical principle Pizza Hut Park, the former name of Toyota Stadium in Dallas, Texas, US Primary Health Properties, a UK real estate investment trust Pulsating heat pipe, a heat-transfer device PHP Family, a Bangladeshi conglomerate PHP pistol, a Croatian-made pistol PHP, the ISO 4217 currency code of the Philippine peso People's Heritage Party, a political party in Ghana Philip Municipal Airport (IATA and FAA LID), an airport in Philip, South Dakota, US