Use argv as indicator, could be vulnerable to register_globals though.
treefa6530809d52f4834c98cb6870295ba69983051b
-rw-r--r-- 753 TODO.txt
-rw-r--r-- 2237 XHTMLCompiler.php
drwxr-xr-x - XHTMLCompiler
drwxr-xr-x - catalog
-rw-r--r-- 730 common.php
-rw-r--r-- 2011 config.default.php
-rw-r--r-- 340 config.filters.php
-rw-r--r-- 686 config.smoketest.php
drwxr-xr-x - docs
-rw-r--r-- 5105 functions.php
-rw-r--r-- 3858 htaccess.php
-rw-r--r-- 1049 index.html
-rw-r--r-- 410 main.php
drwxr-xr-x - modules
-rw-r--r-- 1383 purgatory.php
-rw-r--r-- 403 smoketest.txt
drwxr-xr-x - smoketests
drwxr-xr-x - tests
-rw-r--r-- 2731 update.php