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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 |
|---|---|
| 1540 | } |
| 1541 | |
| 1542 | // Put them together. |
| 1543 | if ( $this->use_verbose_page_rules ) |
| 1544 | $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $old_feed_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $page_rewrite, $post_rewrite, $this->extra_rules); |
| 1545 | else |
| 1546 | $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $old_feed_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules); |
| 1547 | |
| 1548 | do_action_ref_array('generate_rewrite_rules', array(&$this)); |
| 1549 | $this->rules = apply_filters('rewrite_rules_array', $this->rules); |
| 1550 | |
| 1551 | return $this->rules; |
| 1552 | } |
| 1553 | |
| 1554 | /** |
| 1555 | * Retrieve the rewrite rules. |
| 1556 | * |
| 1557 | * The difference between this method and {@link |
| 1558 | * WP_Rewrite::rewrite_rules()} is that this method stores the rewrite rules |