XAMPP provides an (easy) install of Apache, MySQL, PHP and Perl. You can get it from the Apache Friends, which sounds like some league of superheros, and to those trying to install all of the above mentioned components, they just might be.
The Mac OS X version is still in beta, but if the word “beta” bothers you, well, then I don’t know what to tell you, since beta nowadays just seems to mean “we reserve the right to have bugs, so don’t complain about it” or something like that…