PHP

Origin 1

Full definition of PHP

Initialism

(healthcare) Initialism of pseudopseudohypoparathyroidism

Origin 2

Originally an initialism of personal home page, used to describe a set of tools written by Rasmus Lerdorf in 1995; later inherited by other software built to implement similar functionality, with the new recursive expansion PHP: hypertext preprocessor.

Proper noun

PHP

(plural PHPs)

(software, PHP) A scripting language widely used to write Web applications.