NAME

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

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

callback

Arguments: \&sub_ref

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.