(PHP 5, PHP 7, PHP 8)
php_user_filter::onClose — Called when closing the filter
This method is called upon filter shutdown (typically, this is also
during stream shutdown), and is executed
after
the
flush
method is called. If any ressources
were allocated or initialiced during
onCreate()
this would be the time to destroy or dispose of them.
This function has no parameters.
Return value is ignored.