Sample Code For Deleting Parent and Child N level

Sample Code For Deleting Parent and Child N level

 private function deleteChildren($parentId) {
      $lochid = new Location();
      $children = $lochid->where("parent_id", $parentId)->get();
      if (!empty($children)) {
            foreach ($children as $child) {
                $this->deleteChildren($child->id);
                $this->db->delete('countries_locations', array('id' =>$child->id)); 
            }
        }
    }

Image upoad with dir creation in YII

if(!is_dir(Yii::getPathOfAlias('webroot').'/'.$imagepath))
{
          if(!defined('FS_CHMOD_DIR')){
            define('FS_CHMOD_DIR', 0755);
           }
        mkdir(Yii::getPathOfAlias('webroot').'/'.$imagepath);
}

$OriImage = Yii::getPathOfAlias('webroot').'/'.$model->{$field}; 
$stat = stat(dirname($OriImage));
$perms = $stat['mode'] & 0000666;
$logo->saveAs($OriImage);
@chmod($OriImage,$perms);