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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 |
|---|---|
| 767 | } |
| 768 | |
| 769 | function import_start() { |
| 770 | wp_defer_term_counting(true); |
| 771 | wp_defer_comment_counting(true); |
| 772 | do_action('import_start'); |
| 773 | } |
| 774 | |
| 775 | function import_end() { |
| 776 | do_action('import_end'); |
| 777 | |
| 778 | // clear the caches after backfilling |
| 779 | foreach ($this->post_ids_processed as $post_id) |
| 780 | clean_post_cache($post_id); |
| 781 | |
| 782 | wp_defer_term_counting(false); |
| 783 | wp_defer_comment_counting(false); |
| 784 | } |
| 785 | |