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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 |
---|---|
323 | /** |
324 | * Fires before post meta html display. |
325 | * |
326 | * Allow output of additional post meta info to be added by child themes and plugins. |
327 | * |
328 | * @since 1.0.0 |
329 | * |
330 | * @param int $post_ID Post ID. |
331 | */ |
332 | do_action( 'twentytwenty_start_of_post_meta_list', $post_id ); |
333 |
|
334 | // Author. |
335 | if ( in_array( 'author', $post_meta, true ) ) { |
336 |
|
337 | $has_meta = true; |
338 | ?> |
339 | <li class="post-author meta-wrapper"> |
340 | <span class="meta-icon"> |
341 | <span class="screen-reader-text"><?php _e( 'Post author', 'twentytwenty' ); ?></span> |