NAME

HTML::FormFu::Constraint::CallbackOnce - Code Callback Constraint

VERSION

version 2.07

SYNOPSIS

    $form->constraint({
        type => 'CallbackOnce',
        name => 'foo',
        callback => \&sfoo,
    );
    sub foo {
        my ( $value, $params ) = @_;
        # return true or false
    }

DESCRIPTION

Unlinke the HTML::FormFu::Constraint::Callback, this callback is only called once, regardless of how many values are submitted.

The first argument passed to the callback is the submitted value for the associated field; this may be a single value or an arrayref of value. The second argument passed to the callback is a hashref of name/value pairs for all input fields.

This constraint doesn't honour the "not()" value.

METHODS

SEE ALSO

Is a sub-class of, and inherits methods from HTML::FormFu::Constraint

HTML::FormFu

AUTHOR

Carl Franks "cfranks@cpan.org"

LICENSE

This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Carl Franks <cpan@fireartist.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2018 by Carl Franks.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.