html::formfu::constraint::callback(3pm) debian man page | unix.com

HTML::FormFu::Constraint::Callback(3pm) 		User Contributed Perl Documentation		   HTML::FormFu::Constraint::Callback(3pm)

NAME
       HTML::FormFu::Constraint::Callback - Code Callback Constraint

SYNOPSIS
	   $field->constraint({
	       type => 'Callback',
	       callback => &foo,
	   });

	   ---
	   elements:
	     - type: Text
	       name: foo
	       constraints:
		 - type: Callback
		   callback: "main::my_constraint"

	   sub foo {
	       my ( $value, $params ) = @_;

	       # return true or false
	   }

DESCRIPTION
       The first argument passed to the callback is the submitted value for the associated field. 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: &code-reference

       Arguments: "subroutine-name"

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.

perl v5.14.2							    2012-01-23				   HTML::FormFu::Constraint::Callback(3pm)