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HTML::FormFu::Constraint::Callback(3pm) User Contributed Perl Documentation HTML::FormFu::Constraint::Callback(3pm)

NAME

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

VERSION

version 2.05

SYNOPSIS

    $field->constraint({
        type => 'Callback',
        callback => \&foo,
    });

    ---
    elements:
      - type: Text
        name: foo
        constraints:
          - type: Callback
            callback: "main::my_constraint"

    sub foo {
        my ( $value, $params ) = @_;

        # return true or false
    }

DESCRIPTION

The first argument passed to the callback is the submitted value for the associated field. 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: \&code-reference

Arguments: "subroutine-name"

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.
2016-10-29 perl v5.24.1