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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\validators;
use Yii;
use yii\base\InvalidConfigException;
/**
* RangeValidator validates that the attribute value is among a list of values.
*
* The range can be specified via the [[range]] property.
* If the [[not]] property is set true, the validator will ensure the attribute value
* is NOT among the specified range.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class RangeValidator extends Validator
{
/**
* @var array list of valid values that the attribute value should be among
*/
public $range;
/**
* @var boolean whether the comparison is strict (both type and value must be the same)
*/
public $strict = false;
/**
* @var boolean whether to invert the validation logic. Defaults to false. If set to true,
* the attribute value should NOT be among the list of values defined via [[range]].
*/
public $not = false;
/**
* @var boolean whether to allow array type attribute.
*/
public $allowArray = false;
/**
* @inheritdoc
*/
public function init()
{
parent::init();
if (!is_array($this->range)) {
throw new InvalidConfigException('The "range" property must be set.');
}
if ($this->message === null) {
$this->message = Yii::t('yii', '{attribute} is invalid.');
}
}
/**
* @inheritdoc
*/
protected function validateValue($value)
{
if (!$this->allowArray && is_array($value)) {
return [$this->message, []];
}
$in = true;
foreach ((is_array($value) ? $value : [$value]) as $v) {
if (!in_array($v, $this->range, $this->strict)) {
$in = false;
break;
}
}
return $this->not !== $in ? null : [$this->message, []];
}
/**
* @inheritdoc
*/
public function clientValidateAttribute($model, $attribute, $view)
{
$range = [];
foreach ($this->range as $value) {
$range[] = (string) $value;
}
$options = [
'range' => $range,
'not' => $this->not,
'message' => Yii::$app->getI18n()->format($this->message, [
'attribute' => $model->getAttributeLabel($attribute),
], Yii::$app->language),
];
if ($this->skipOnEmpty) {
$options['skipOnEmpty'] = 1;
}
if ($this->allowArray) {
$options['allowArray'] = 1;
}
ValidationAsset::register($view);
return 'yii.validation.range(value, messages, ' . json_encode($options, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . ');';
}
}