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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 |
|---|---|
| 3204 | } |
| 3205 | } elseif ( is_post_type_archive() ) { |
| 3206 | /** |
| 3207 | * Filters whether to display the post type archive feed link. |
| 3208 | * |
| 3209 | * @since 6.1.0 |
| 3210 | * |
| 3211 | * @param bool $show Whether to display the post type archive feed link. Default true. |
| 3212 | */ |
| 3213 | $show_post_type_archive_feed = apply_filters( 'feed_links_extra_show_post_type_archive_feed', true ); |
| 3214 | |
| 3215 | if ( $show_post_type_archive_feed ) { |
| 3216 | $post_type = get_query_var( 'post_type' ); |
| 3217 | |
| 3218 | if ( is_array( $post_type ) ) { |
| 3219 | $post_type = reset( $post_type ); |
| 3220 | } |
| 3221 | |
| 3222 | $post_type_obj = get_post_type_object( $post_type ); |