function views_handler_argument::validate_arg

Validate that this argument works. By default, all arguments are valid.

File

handlers/views_handler_argument.inc, line 1052

Class

views_handler_argument

Base class for arguments.

Code

public function validate_arg($arg) {
    // By using % in URLs, arguments could be validated twice; this eases
    // that pain.
    if (isset($this->argument_validated)) {
        return $this->argument_validated;
    }
    if ($this->is_exception($arg)) {
        return $this->argument_validated = TRUE;
    }
    if ($this->options['validate']['type'] == 'none') {
        return $this->argument_validated = $this->validate_argument_basic($arg);
    }
    $plugin = $this->get_plugin('argument validator');
    if ($plugin) {
        return $this->argument_validated = $plugin->validate_argument($arg);
    }
    // If the plugin isn't found, fall back to the basic validation path.
    return $this->argument_validated = $this->validate_argument_basic($arg);
}