1HTML::FormFu::ConstrainUts:e:rCaClolnbtarcikbOuntceedH(T3PM)eLr:l:FDoorcmuFmue:n:tCaotnisotnraint::CallbackOnce(3)
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NAME

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

9       version 2.07
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SYNOPSIS

12           $form->constraint({
13               type => 'CallbackOnce',
14               name => 'foo',
15               callback => \&sfoo,
16           );
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18           sub foo {
19               my ( $value, $params ) = @_;
20
21               # return true or false
22           }
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DESCRIPTION

25       Unlinke the HTML::FormFu::Constraint::Callback, this callback is only
26       called once, regardless of how many values are submitted.
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28       The first argument passed to the callback is the submitted value for
29       the associated field; this may be a single value or an arrayref of
30       value.  The second argument passed to the callback is a hashref of
31       name/value pairs for all input fields.
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33       This constraint doesn't honour the "not()" value.
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METHODS

36   callback
37       Arguments: \&sub_ref
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SEE ALSO

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

45       Carl Franks "cfranks@cpan.org"
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LICENSE

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

52       Carl Franks <cpan@fireartist.com>
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55       This software is copyright (c) 2018 by Carl Franks.
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57       This is free software; you can redistribute it and/or modify it under
58       the same terms as the Perl 5 programming language system itself.
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62perl v5.30.1                      2020H-T0M1L-:3:0FormFu::Constraint::CallbackOnce(3)
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