function views_handler_argument_null::validate_argument_basic

Provide a basic argument validation.

This can be overridden for more complex types; the basic validator only checks to see if the argument is not NULL or is numeric if the definition says it's numeric.

Overrides views_handler_argument::validate_argument_basic

File

core/modules/views/handlers/views_handler_argument_null.inc, line 53

Definition of views_handler_argument_null.

Class

views_handler_argument_null

Argument handler that ignores the argument.

Code

function validate_argument_basic($arg) {
  if (!empty($this->options['must_not_be'])) {
    return !isset($arg);
  }

  return parent::validate_argument_basic($arg);
}