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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 |
|---|---|
| 706 | } |
| 707 | |
| 708 | function import_start() { |
| 709 | wp_defer_term_counting(true); |
| 710 | wp_defer_comment_counting(true); |
| 711 | do_action('import_start'); |
| 712 | } |
| 713 | |
| 714 | function import_end() { |
| 715 | do_action('import_end'); |
| 716 | |
| 717 | // clear the caches after backfilling |
| 718 | foreach ($this->post_ids_processed as $post_id) |
| 719 | clean_post_cache($post_id); |
| 720 | |
| 721 | wp_defer_term_counting(false); |
| 722 | wp_defer_comment_counting(false); |
| 723 | } |
| 724 | |