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package Input::Validator::Constraint::Date;
use strict;
use warnings;
use base 'Input::Validator::Constraint';
require Time::Local;
sub is_valid {
    my ($self, $value) = @_;
    my %args = @{$self->args};
    my $re = $args{split} || '/';
    my ($year, $month, $day) = split($re, $value);
    return 0 unless $year && $month && $day;
    eval { Time::Local::timegm(0, 0, 0, $day, $month - 1, $year); };
    return $@ ? 0 : 1;
}
1;
__END__
HideShow 27 lines of Pod
=head1 NAME
Input::Validator::Constraint::Date - Date constraint
=head1 SYNOPSIS
    $validator->field('date')->constraint('date');
    $validator->field('date')->constraint('date', split => '/');
=head1 DESCRIPTION
Checks whether a value is a valid date. Date is a string with a separator (C</>
by default), that is splitted into C<year, month, day> sequence and then
validated.
=head1 METHODS
=head2 C<is_valid>
Validates the constraint.
=head1 SEE ALSO
L<Input::Validator>, L<Input::Constraint>
=cut