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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 975 | $orderby = apply_filters('posts_orderby', $q['orderby']); |
| 976 | $distinct = apply_filters('posts_distinct', $distinct); |
| 977 | $fields = apply_filters('posts_fields', "$wpdb->posts.*"); |
| 978 | $limits = apply_filters( 'post_limits', $limits ); |
| 979 | $found_rows = ''; |
| 980 | if ( !empty($limits) ) |
| 981 | $found_rows = 'SQL_CALC_FOUND_ROWS'; |
| 982 | |
| 983 | $request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby ORDER BY $orderby $limits"; |
| 984 | $this->request = apply_filters('posts_request', $request); |
| 985 | |
| 986 | $this->posts = $wpdb->get_results($this->request); |
| 987 | if ( !empty($limits) ) { |
| 988 | $found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()' ); |
| 989 | $this->found_posts = $wpdb->get_var( $found_posts_query ); |
| 990 | $this->found_posts = apply_filters( 'found_posts', $this->found_posts ); |
| 991 | $this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']); |
| 992 | } |
| 993 | // Check post status to determine if post should be displayed. |