/** * Upgrade the meta key values * @param (Int) $post_id The post id being upgraded */ public static function ht_voting_upgrade_post_meta_fields($postID) { //keys to be upgraded HT_Voting::ht_voting_upgrade_voting_meta_fields($postID, 'voting_checkbox'); HT_Voting::ht_voting_upgrade_voting_meta_fields($postID, 'voting_reset'); HT_Voting::ht_voting_upgrade_voting_meta_fields($postID, 'voting_reset_confirm'); }