Here is the codes of version 2

According to my tests it is 6 times faster than first.

You can see how can you use it from the first one.

<?php function get_post_meta_multiple( $metaData = array(), $type = 'post', $category = NULL, $ppp, $metaKey, $orderBy, $orderType) { ...

Dealing with wordpress.

Because of seo power of wordpress almost every my project I’m using wordpress.
According to me wordpress is single but powerful framework.

Maybe you already know about Custom Field Taxonomies in wordpress.
It was pretty simple Custom Field Filter...