function views_handler_argument_null::validate_argument_basic in Views (for Drupal 7) 6.2

Same name and namespace in other branches

1. 6.3 handlers/views_handler_argument_null.inc \views_handler_argument_null::validate_argument_basic()
2. 7.3 handlers/views_handler_argument_null.inc \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

handlers/views_handler_argument_null.inc, line 46

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);
}