PHP is a set of routines written in C that usurps other third party libraries written in C and creates a hodgepodge system of bizarrely named routines which usually do things, but sometimes don't do what you expect, depending on the release, the day of the week, the season, phase of the moon, et al..
Perl
used to be, but it's been capable of rewriting itself, in itself, for quite a few years, now.
