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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 |
|---|---|
| 1332 | if ( is_user_logged_in() ) { |
| 1333 | $where .= current_user_can( "read_private_{$post_type}s" ) ? " OR $wpdb->posts.post_status = 'private'" : " OR $wpdb->posts.post_author = $user_ID AND $wpdb->posts.post_status = 'private'"; |
| 1334 | } |
| 1335 | |
| 1336 | $where .= ')'; |
| 1337 | } |
| 1338 | |
| 1339 | // Apply filters on where and join prior to paging so that any |
| 1340 | // manipulations to them are reflected in the paging by day queries. |
| 1341 | $where = apply_filters('posts_where', $where); |
| 1342 | $join = apply_filters('posts_join', $join); |
| 1343 | |
| 1344 | // Paging |
| 1345 | if ( empty($q['nopaging']) && !$this->is_singular ) { |
| 1346 | $page = absint($q['paged']); |
| 1347 | if (empty($page)) { |
| 1348 | $page = 1; |
| 1349 | } |
| 1350 | |