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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 |
|---|---|
| 844 | if ( $post_type_obj->rewrite['with_front'] ) |
| 845 | $struct = $wp_rewrite->front . $struct; |
| 846 | else |
| 847 | $struct = $wp_rewrite->root . $struct; |
| 848 | $link = home_url( user_trailingslashit( $struct, 'post_type_archive' ) ); |
| 849 | } else { |
| 850 | $link = home_url( '?post_type=' . $post_type ); |
| 851 | } |
| 852 | |
| 853 | return apply_filters( 'post_type_archive_link', $link, $post_type ); |
| 854 | } |
| 855 | |
| 856 | /** |
| 857 | * Retrieve the permalink for a post type archive feed. |
| 858 | * |
| 859 | * @since 3.1.0 |
| 860 | * |
| 861 | * @param string $post_type Post type |
| 862 | * @param string $feed Optional. Feed type |