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| Input::Validator::Constraint::Callback(3) | User Contributed Perl Documentation | Input::Validator::Constraint::Callback(3) |
NAME
Input::Validator::Constraint::Callback - Callback constraintSYNOPSIS
$validator->field('foo')->callback(sub {
my $value = shift;
return 1 if $value =~ m/^\d+$/;
return (0, 'Value is not a number');
});
DESCRIPTION
Run a callback to validate a field. Return a true value when validation succeded, and false value when failed.In order to set your own error instead of a default one return an array where the error message is the second argument.
METHODS
"is_valid"
Validates the constraint.SEE ALSO
Input::Validator, Input::Validator::Constraint| 2011-08-09 | perl v5.32.1 |
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