[dev] ctype functions

[Marko Djukic]

Quoting Eric Rostetter <eric.rostetter at physics.utexas.edu>:

> Quoting Marko Djukic <marko at oblo.com>:
> 
> > according to the "editor's note" on
> > http://www.php.net/manual/en/ref.ctype.php
> > ctypes should be prefered to regex, and some is_* functions.
> 
> Yes, but only in HEAD as ctypes are not available in most php versions
> until at least 4.2.

actually 4.0.4, and enabled by default it 4.2. but in any case, was only looking
for use in HEAD...

m.