protected function setNullableFields()
    {
        foreach ($this->nullableFromArray($this->getAttributes()) as $key => $value) {
            $this->attributes[$key] = $this->nullIfEmpty($value, $key);
        }
    }
protected function setNullableFields()
    {
        foreach ($this->nullableFromArray($this->getAttributes()) as $key => $value) {
            $this->attributes[$key] = $this->nullIfEmpty($value, $key);
        }
    }
protected function setNullableFields ( ) { foreach ( $ this -> nullableFromArray ( $ this -> getAttributes ( ) ) as $ key => $ value ) { $ this -> attributes [ $ key ] = $ this -> nullIfEmpty ( $ value , $ key ) ; } }
Set empty nullable fields to null.

@since  1.1.0

@return void
Set empty nullable fields to null .