framework/validators/RangeValidator.php
public function getClientOptions($model, $attribute)
    {
        $range = [];
        foreach ($this->range as $value) {
            $range[] = (string) $value;
        }
        $options = [
            'range' => $range,
            'not' => $this->not,
            'message' => $this->formatMessage($this->message, [
                'attribute' => $model->getAttributeLabel($attribute),
            ]),
        ];
        if ($this->skipOnEmpty) {
            $options['skipOnEmpty'] = 1;
        }
        if ($this->allowArray) {
            $options['allowArray'] = 1;
        }

        return $options;
    }
public function getClientOptions($model, $attribute)
    {
        $range = [];
        foreach ($this->range as $value) {
            $range[] = (string) $value;
        }
        $options = [
            'range' => $range,
            'not' => $this->not,
            'message' => $this->formatMessage($this->message, [
                'attribute' => $model->getAttributeLabel($attribute),
            ]),
        ];
        if ($this->skipOnEmpty) {
            $options['skipOnEmpty'] = 1;
        }
        if ($this->allowArray) {
            $options['allowArray'] = 1;
        }

        return $options;
    }
{@inheritdoc}