do_action( 'edit_term_taxonomies', array $edit_tt_ids )

2106<?php2107		 * Fires immediately before a term to delete's children are reassigned a parent.2108		 *2109		 * @since 2.9.02110		 *2111		 * @param array $edit_tt_ids An array of term taxonomy IDs for the given term.2112		 */2113		do_action( 'edit_term_taxonomies', $edit_tt_ids );2114 2115		$wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id ) + compact( 'taxonomy' ) );2116 2117		// Clean the cache for all child terms.2118		$edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' );2119		clean_term_cache( $edit_term_ids, $taxonomy );