Illuminate\Database\Eloquent\Model::setRawAttributes PHP Method

    public function setRawAttributes(array $attributes, $sync = false)
    {
        $this->attributes = $attributes;
        if ($sync) {
            $this->syncOriginal();
        }
        return $this;
    }

 /**
  * @param array $attributes
  * @param bool $sync
  * @return $this
  */
 public function setRawAttributes(array $attributes, $sync = false)
 {
     $this->attachMetaAttributes($attributes);
     parent::setRawAttributes($attributes, $sync);
     return $this;
 }