Question

This question is about the facebook style chatting script freichat .
The following line is found in arg.php file. Please notice that arg.php is also used in the argument of str_replace(,,.,,) function.

    $parameters=
unserialize(file_get_contents(str_replace('arg.php','config.dat',__FILE__)));

config.dat file content looks like :

a:20:{s:9:"show_name";s:5:"guest";s:11:"displayname";s:4:"name";s:11:
"show_module";s:7:"visible";s:9:"chatspeed";s:4:"5000";s:5:"fxval";s:4:
"true";s:9:"draggable";s:6:"enable";s:8:"conflict";s:4:"true";s:12

What does the quoted line actually do? any step by step explanation?

Answer 1

config.dat is just a serialized array..

unserialize(file_get_contents(str_replace('arg.php','config.dat',__FILE__)));