&reftitle.setup;
&reftitle.required;
&no.requirement;
&reftitle.install;
&no.install;
&reftitle.runtime;
&no.config;
Stream Classes
User designed wrappers can be registered via stream_wrapper_register,
using the class definition shown on that manual page.
Class php_user_filter is predefined and is an abstract
baseclass for use with user defined filters. See the manual page for
stream_filter_register for details on implementing
user defined filters.