1.FILES
black_list_sorted.php for sorted black ip list
config.php for configuration of the firewall
white_list_sorted.php for sorted white ip list
xgfw.php the main firewall file must be included by the php script which you wanna to use this firewall
xgfw_admin.php some administrator functions
xgfw_func.php some functions to be used widely
xgfw_test.php a simple file to test one ip show that whether it is blocked
2.Use eg.
such as forum.php
add:
 include_once('./xgfw/xgfw.php') ;
at the first line of your php script