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HTML::FormFu::Constraint::CallbackOnce.3pm

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.