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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\helpers\Html;
/**
* BooleanValidator checks if the attribute value is a boolean value.
*
* Possible boolean values can be configured via the [[trueValue]] and [[falseValue]] properties.
* And the comparison can be either [[strict]] or not.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class BooleanValidator extends Validator
{
/**
* @var mixed the value representing true status. Defaults to '1'.
*/
public $trueValue = '1';
/**
* @var mixed the value representing false status. Defaults to '0'.
*/
public $falseValue = '0';
/**
* @var boolean whether the comparison to [[trueValue]] and [[falseValue]] is strict.
* When this is true, the attribute value and type must both match those of [[trueValue]] or [[falseValue]].
* Defaults to false, meaning only the value needs to be matched.
*/
public $strict = false;
/**
* @inheritdoc
*/
public function init()
{
parent::init();
if ($this->message === null) {
$this->message = Yii::t('yii', '{attribute} must be either "{true}" or "{false}".');
}
}
/**
* @inheritdoc
*/
protected function validateValue($value)
{
$valid = !$this->strict && ($value == $this->trueValue || $value == $this->falseValue)
|| $this->strict && ($value === $this->trueValue || $value === $this->falseValue);
if (!$valid) {
return [$this->message, [
'true' => $this->trueValue,
'false' => $this->falseValue,
]];
} else {
return null;
}
}
/**
* @inheritdoc
*/
public function clientValidateAttribute($object, $attribute, $view)
{
$options = [
'trueValue' => $this->trueValue,
'falseValue' => $this->falseValue,
'message' => strtr($this->message, [
'{attribute}' => $object->getAttributeLabel($attribute),
'{true}' => $this->trueValue,
'{false}' => $this->falseValue,
]),
];
if ($this->skipOnEmpty) {
$options['skipOnEmpty'] = 1;
}
if ($this->strict) {
$options['strict'] = 1;
}
ValidationAsset::register($view);
return 'yii.validation.boolean(value, messages, ' . json_encode($options) . ');';
}
}