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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 |
|---|---|
| 3191 | $args = wp_parse_args( $args, $defaults ); |
| 3192 | |
| 3193 | /** |
| 3194 | * Filters the extra feed links arguments. |
| 3195 | * |
| 3196 | * @since 6.7.0 |
| 3197 | * |
| 3198 | * @param array $args An array of extra feed links arguments. |
| 3199 | */ |
| 3200 | $args = apply_filters( 'feed_links_extra_args', $args ); |
| 3201 | |
| 3202 | if ( is_singular() ) { |
| 3203 | $id = 0; |
| 3204 | $post = get_post( $id ); |
| 3205 | |
| 3206 | /** This filter is documented in wp-includes/general-template.php */ |
| 3207 | $show_comments_feed = apply_filters( 'feed_links_show_comments_feed', true ); |
| 3208 | |
| 3209 | /** |