Yii purifier CHtmlPurifier usage example (filtering bad code)

The example in this article describes the usage of Yii purifier CHtmlPurifier. Share it with everyone for your reference, the details are as follows:

1. Use in the controller:

public function actionCreate()
{
  $model=new News;
  $purifier = new CHtmlPurifier();
  $purifier->options = array(
    'URI.AllowedSchemes'=>array(
              'http' => true,
              'https' => true,
    ),
       'HTML.Allowed'=>'div',
  );
  if(isset($_POST['News']))
  {
    $model->attributes=$_POST['News'];
    $model->attributes['content'] = $purifier->purify($model->attributes['content']);
    if($model->save())
      $this->redirect(array('view','id'=>$model->id));
  }
}

2. Use in the model :

protected function beforeSave()
{
  $purifier = new CHtmlPurifier();
  $purifier->options = array(
    'URI.AllowedSchemes'=>array(
              'http' => true,
              'https' => true,
    ),
       'HTML.Allowed'=>'div',
  );
  if(parent::beforeSave()){
    if($this->isNewRecord){
      $this->create_data = date('y-m-d H:m:s');
      $this->content = $purifier->purify($this->content);
    }
    return true;
  }else{
    return false;
  }
}

3. Use in filters:

public function filters()
{
  return array(
    'accessControl', // perform access control for CRUD operations
    'postOnly + delete', // we only allow deletion via POST request
    'purifier + create', //载入插入页面时进行些过滤操作
  );
}
public function filterPurifier($filterChain){
  $purifier = new CHtmlPurifier();
  $purifier->options = array(
    'URI.AllowedSchemes'=>array(
              'http' => true,
              'https' => true,
    ),
       'HTML.Allowed'=>'div',
  );
  if(isset($_POST['news']){
    $_POST['news']['content'] = $purify($_POST['news']['content']);
  }
    $filterChain->run();
}

##4. Use in views:

<?php $this->beginWidget(&#39;CHtmlPurifier&#39;); ?>
...display user-entered content here...
<?php $this->endWidget(); ?>

I hope this article will be helpful to everyone’s PHP program design based on the Yii framework.

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