php -v
PHP 5.2.5-pl1-gentoo (cgi-fcgi) (built: Feb  9 2008 02:04:47)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
    with Zend Optimizer v3.3.0, Copyright (c) 1998-2007, by Zend Technologies
roon ~ # php -m
[PHP Modules]
bz2
cgi-fcgi
ctype
curl
date
dba
dom
exif
gd
gettext
imap
libxml
mbstring
mcrypt
mhash
mysql
ncurses
openssl
pcre
posix
session
snmp
sockets
standard
sysvmsg
sysvsem
sysvshm
tokenizer
xml
Zend Optimizer
zlib

[Zend Modules]
Zend Optimizer

Segmentation fault