HTML::FormFu::Constraint::CallbackOnce - Code Callback Constraint
$form->constraint({ type => 'CallbackOnce', name => 'foo', callback => \&sfoo, ); sub foo { my ( $value, $params ) = @_; # return true or false }
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.
not()
Arguments: \&sub_ref
Is a sub-class of, and inherits methods from HTML::FormFu::Constraint
HTML::FormFu
Carl Franks cfranks@cpan.org
cfranks@cpan.org
This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.
To install HTML::FormFu, copy and paste the appropriate command in to your terminal.
cpanm
cpanm HTML::FormFu
CPAN shell
perl -MCPAN -e shell install HTML::FormFu
For more information on module installation, please visit the detailed CPAN module installation guide.