Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: posts_groupby_request

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
2220                $fields = apply_filters('posts_fields', $fields);
2221           }
2222
2223           // Announce current selection parameters.  For use by caching plugins.
2224           do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
2225
2226           // Filter again for the benefit of caching plugins.  Regular plugins should use the hooks above.
2227           if ( !$q['suppress_filters'] ) {
2228                $where = apply_filters('posts_where_request', $where);
2229                $groupby = apply_filters('posts_groupby_request', $groupby);
2230                $join = apply_filters('posts_join_request', $join);
2231                $orderby = apply_filters('posts_orderby_request', $orderby);
2232                $distinct = apply_filters('posts_distinct_request', $distinct);
2233                $fields = apply_filters('posts_fields_request', $fields);
2234                $limits = apply_filters( 'post_limits_request', $limits );
2235           }
2236
2237           if ( ! empty($groupby) )
2238                $groupby = 'GROUP BY ' . $groupby;