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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 |
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1678 | $edit_tt_ids = wp_list_pluck( $edit_ids, 'term_taxonomy_id' ); |
1679 |
|
1680 | /** |
1681 | * Fires immediately before a term to delete's children are reassigned a parent. |
1682 | * |
1683 | * @since 2.9.0 |
1684 | * |
1685 | * @param array $edit_tt_ids An array of term taxonomy IDs for the given term. |
1686 | */ |
1687 | do_action( 'edit_term_taxonomies', $edit_tt_ids ); |
1688 |
|
1689 | $wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id) + compact( 'taxonomy' ) ); |
1690 |
|
1691 | // Clean the cache for all child terms. |
1692 | $edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' ); |
1693 | clean_term_cache( $edit_term_ids, $taxonomy ); |
1694 |
|
1695 | /** |
1696 | * Fires immediately after a term to delete's children are reassigned a parent. |