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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 |
|---|---|
| 1817 | |
| 1818 | /** |
| 1819 | * Filter rewrite rules used specifically for Tags. |
| 1820 | * |
| 1821 | * @since 2.3.0 |
| 1822 | * @deprecated 3.1.0 Use 'post_tag_rewrite_rules' instead |
| 1823 | * |
| 1824 | * @param array $rules The rewrite rules generated for tags. |
| 1825 | */ |
| 1826 | $rules = apply_filters( 'tag_rewrite_rules', $rules ); |
| 1827 | } |
| 1828 | |
| 1829 | $this->extra_rules_top = array_merge($this->extra_rules_top, $rules); |
| 1830 | } |
| 1831 | |
| 1832 | // Put them together. |
| 1833 | if ( $this->use_verbose_page_rules ) |
| 1834 | $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $page_rewrite, $post_rewrite, $this->extra_rules); |
| 1835 | else |