本文整理汇总了PHP中yii\base\Component::behaviors方法的典型用法代码示例。如果您正苦于以下问题：PHP Component::behaviors方法的具体用法？PHP Component::behaviors怎么用？PHP Component::behaviors使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类yii\base\Component的用法示例。
在下文中一共展示了Component::behaviors方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: hasBehavior
/**
* Checks whether or not a subject has a behavior of a certain type attached.
*
* @param \yii\base\Component $subject the subject to check
* @param string|\yii\base\Behavior $behavior either the class name or an instance of the behavior
* @param bool $throwException if set to true, an exception will be thrown if the
* subject doesn't have the behavior attached
* @return bool true if attached
* @throws \yii\base\InvalidParamException when subject is of wrong type
* @throws \yii\base\InvalidConfigException if desired and behavior missing
*/
public static function hasBehavior($subject, $behavior, $throwException = false)
{
//only components allowed
if (!$subject instanceof \yii\base\Component) {
throw new InvalidParamException(Yii::t('app', 'Subject must extend Component'));
}
//prepare vars
$behavior = $behavior instanceof \yii\base\Behavior ? $behavior::className() : $behavior;
//check if behavior is attached
$found = false;
foreach ($subject->behaviors() as $name => $config) {
$className = is_array($config) ? $config['class'] : $config;
if (strcmp($className, $behavior) === 0) {
$found = true;
break;
}
}
if ($throwException && !$found) {
$msg = Yii::t('app', '{subject} needs to have behavior {behavior} attached', ['subject' => $subject->className(), 'behavior' => $behavior]);
throw new InvalidConfigException($msg);
}
return $found;
}示例2: behaviors
public function behaviors()
{
return Utils::behaviorMerge(self::className(), parent::behaviors());
}