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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 |
|---|---|
| 237 | */ |
| 238 | function the_permalink_rss() { |
| 239 | /** |
| 240 | * Filters the permalink to the post for use in feeds. |
| 241 | * |
| 242 | * @since 2.3.0 |
| 243 | * |
| 244 | * @param string $post_permalink The current post permalink. |
| 245 | */ |
| 246 | echo esc_url( apply_filters( 'the_permalink_rss', get_permalink() ) ); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Outputs the link to the comments for the current post in an xml safe way |
| 251 | * |
| 252 | * @since 3.0.0 |
| 253 | * @return none |
| 254 | */ |
| 255 | function comments_link_feed() { |