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Source View: wp_update_term_parent

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
2266                // The alias isn't in a group, so let's create a new one and firstly add the alias term to it.
2267                $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1;
2268                do_action( 'edit_terms', $alias->term_id );
2269                $wpdb->update( $wpdb->terms, compact('term_group'), array( 'term_id' => $alias->term_id ) );
2270                do_action( 'edited_terms', $alias->term_id );
2271           }
2272      }
2273
2274      // Check $parent to see if it will cause a hierarchy loop
2275      $parent = apply_filters( 'wp_update_term_parent', $parent, $term_id, $taxonomy, compact( array_keys( $args ) ), $args );
2276
2277      // Check for duplicate slug
2278      $id = $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms WHERE slug = %s", $slug ) );
2279      if ( $id && ($id != $term_id) ) {
2280           // If an empty slug was passed or the parent changed, reset the slug to something unique.
2281           // Otherwise, bail.
2282           if ( $empty_slug || ( $parent != $term['parent']) )
2283                $slug = wp_unique_term_slug($slug, (object) $args);
2284           else