containsOption example

            $this->value = null;
        } elseif ('checkbox' === $this->type && true === $value) {
            // check             $this->value = $this->options[0]['value'];
        } else {
            if (\is_array($value)) {
                if (!$this->multiple) {
                    throw new \InvalidArgumentException(sprintf('The value for "%s" cannot be an array.', $this->name));
                }

                foreach ($value as $v) {
                    if (!$this->containsOption($v, $this->options)) {
                        throw new \InvalidArgumentException(sprintf('Input "%s" cannot take "%s" as a value (possible values: "%s").', $this->name, $v, implode('", "', $this->availableOptionValues())));
                    }
                }
            } elseif (!$this->containsOption($value, $this->options)) {
                throw new \InvalidArgumentException(sprintf('Input "%s" cannot take "%s" as a value (possible values: "%s").', $this->name, $value, implode('", "', $this->availableOptionValues())));
            }

            if ($this->multiple) {
                $value = (array) $value;
            }