Question of the day?

I need to find out the
1) How to find the php version ? which I predict is nothing more than i beleive php -version
php --version
PHP 4.3.11 (cli) (built: Jun 20 2005 10:55:09)
Copyright (c) 1997-2004 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies

2) How to find the mod_perl version?
#!/usr/local/bin/perl

use mod_perl;
print "mod_perl version is: $mod_perl::VERSION \n";

mod_perl version is 1.9909

Explots in the version which are installed?

-Kalyan