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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 |
|---|---|
| 3065 | $args = wp_parse_args( $args, $defaults ); |
| 3066 | |
| 3067 | /** |
| 3068 | * Filters whether to display the posts feed link. |
| 3069 | * |
| 3070 | * @since 4.4.0 |
| 3071 | * |
| 3072 | * @param bool $show Whether to display the posts feed link. Default true. |
| 3073 | */ |
| 3074 | if ( apply_filters( 'feed_links_show_posts_feed', true ) ) { |
| 3075 | echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link() ) . "\" />\n"; |
| 3076 | } |
| 3077 | |
| 3078 | /** |
| 3079 | * Filters whether to display the comments feed link. |
| 3080 | * |
| 3081 | * @since 4.4.0 |
| 3082 | * |
| 3083 | * @param bool $show Whether to display the comments feed link. Default true. |