WordPress get a few fields in one function

function get_post_metas( $post_id , $fields_array , $single ){
  $fields_array_data = array();
  if( is_array( $fields_array )){
    foreach( $fields_array as $key => $value){
        $fields_array_data[] = get_post_meta( $post_id, $value , $single );
    }
  }
  if( !is_array( $fields_array )){
    $fields_array_data[] = get_post_meta( $post_id, $fields_array , $single );
  }
  return $fields_array_data;
}


// Use
get_post_metas( $post_id , array ( ‘date’, , 'location' ) , TRUE );