WordPress update_post_meta updating with empty meta_value field [closed]

Ok, i’ve found the trouble. It was in logic.

Solution:

        foreach($fields as $name => $field){
            if($field['name'] == 'local_players'){
                if(!empty($local_players)){
                    update_post_meta($postID, '_' . $field['name'], $field['field']);
                    update_post_meta($postID, $field['name'], $local_players);
                }

            }elseif($field['name'] == 'away_players'){
                if(!empty($away_players)){
                    update_post_meta($postID, '_' . $field['name'], $field['field']);
                    update_post_meta($postID, $field['name'], $away_players);
                }

            }else{
                update_post_meta($postID, '_' . $field['name'], $field['field']);
                update_post_meta($postID, $field['name'], $data['Match.'.$field['name']]);
            }

    }