Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: posts_fields

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1393
1394           // Apply post-paging filters on where and join.  Only plugins that
1395           // manipulate paging queries should use these hooks.
1396
1397           $where = apply_filters('posts_where_paged', $where);
1398           $groupby = apply_filters('posts_groupby', $groupby);
1399           $join = apply_filters('posts_join_paged', $join);
1400           $orderby = apply_filters('posts_orderby', $q['orderby']);
1401           $distinct = apply_filters('posts_distinct', $distinct);
1402           $fields = apply_filters('posts_fields', "$wpdb->posts.*");
1403           $limits = apply_filters( 'post_limits', $limits );
1404
1405           // Announce current selection parameters.  For use by caching plugins.
1406           do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
1407
1408           // Filter again for the benefit of caching plugins.  Regular plugins should use the hooks above.
1409           $where = apply_filters('posts_where_request', $where);
1410           $groupby = apply_filters('posts_groupby_request', $groupby);
1411           $join = apply_filters('posts_join_request', $join);