public function fill_meta($meta_data) {
	foreach ($meta_data as $key => $single_meta_data) {
		$this->add_meta($key, $single_meta_data);
	}
}
public function fill_meta($meta_data) {
	foreach ($meta_data as $key => $single_meta_data) {
		$this->add_meta($key, $single_meta_data);
	}
}
public function fill_meta ( $ meta_data ) { foreach ( $ meta_data as $ key => $ single_meta_data ) { $ this -> add_meta ( $ key , $ single_meta_data ) ; } }
fills the meta data
this will end up in response.meta

@param  array   $meta_data
@return void
fills the meta data this will end up in response . meta