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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 |
|---|---|
| 4334 | return; |
| 4335 | |
| 4336 | wp_cache_delete($id, 'posts'); |
| 4337 | wp_cache_delete($id, 'post_meta'); |
| 4338 | |
| 4339 | clean_object_term_cache($id, 'post'); |
| 4340 | |
| 4341 | wp_cache_delete( 'wp_get_archives', 'general' ); |
| 4342 | |
| 4343 | do_action('clean_post_cache', $id); |
| 4344 | |
| 4345 | if ( $children = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d", $id) ) ) { |
| 4346 | foreach ( $children as $cid ) { |
| 4347 | // Loop detection |
| 4348 | if ( $cid == $id ) |
| 4349 | continue; |
| 4350 | clean_post_cache( $cid ); |
| 4351 | } |
| 4352 | } |