The behaviour of these functions is affected by settings in php.ini.
Here's a short explanation of
the configuration directives.
FALSE by default. If changed to TRUE scripts will not be terminated
after a client has aborted their connection.
See also ignore_user_abort().
Colors for Syntax Highlighting mode. Anything that's acceptable in
<font color="??????"> would work.
Name (e.g.: browscap.ini) and location of browser
capabilities file. See also get_browser().