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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 |
|---|---|
| 574 | <?php endforeach; ?> |
| 575 | <?php |
| 576 | if ( 'all' === $args['content'] ) { |
| 577 | wxr_nav_menu_terms(); |
| 578 | } |
| 579 | ?> |
| 580 | |
| 581 | <?php |
| 582 | /** This action is documented in wp-includes/feed-rss2.php */ |
| 583 | do_action( 'rss2_head' ); |
| 584 | ?> |
| 585 | |
| 586 | <?php |
| 587 | if ( $post_ids ) { |
| 588 | /** |
| 589 | * @global WP_Query $wp_query WordPress Query object. |
| 590 | */ |
| 591 | global $wp_query; |
| 592 | |