Provided by: libhtml-formfu-perl_1.00000-1_all 

NAME
HTML::FormFu::Filter::Callback - filter with custom subroutine
SYNOPSIS
$field->filter({
type => 'Callback',
callback => \&my_filter,
});
---
elements:
- type: Text
name: foo
filters:
- type: Callback
callback: "main::my_filter"
sub my_filter {
my ($value) = @_;
# do something to $value
return $value;
}
DESCRIPTION
Filter using a user-provided subroutine.
METHODS
callback
Arguments: \&code-reference
Arguments: "subroutine-name"
AUTHOR
Carl Franks, "cfranks@cpan.org"
Based on the original source code of HTML::Widget::Filter::Callback, by Lyo Kato, "lyo.kato@gmail.com"
LICENSE
This library is free software, you can redistribute it and/or modify it under the same terms as Perl
itself.
perl v5.18.1 2013-12-16 HTML::FormFu::Filter::Callback(3pm)