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.

Return value

bool Whether or not the argument validates.

Overrides views_handler_argument::validate_argument_basic

File

handlers/views_handler_argument_null.inc, line 61

Class

views_handler_argument_null

Argument handler that ignores the argument.

Code

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