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.