1HTML::FormFu::ConstrainUts:e:rCaClolnbtarcikbOuntceedH(T3PM)eLr:l:FDoorcmuFmue:n:tCaotnisotnraint::CallbackOnce(3)
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6 HTML::FormFu::Constraint::CallbackOnce - Code Callback Constraint
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9 version 2.07
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12 $form->constraint({
13 type => 'CallbackOnce',
14 name => 'foo',
15 callback => \&sfoo,
16 );
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18 sub foo {
19 my ( $value, $params ) = @_;
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21 # return true or false
22 }
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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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36 callback
37 Arguments: \&sub_ref
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40 Is a sub-class of, and inherits methods from HTML::FormFu::Constraint
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42 HTML::FormFu
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45 Carl Franks "cfranks@cpan.org"
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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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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 v5.36.0 2022H-T0M7L-:2:2FormFu::Constraint::CallbackOnce(3)