Fix: change variable name

Author: zaerl

packages/playground/data-liberation/src/import/WP_Stream_Importer.php

@@ -194,6 +194,9 @@ public function next_step() {
 		if ( null !== $this->next_stage ) {
 			return false;
 		}
+
+		do_action( 'wp_stream_importer_next_stage', $this );
+
 		switch ( $this->stage ) {
 			case self::STAGE_INITIAL:
 				$this->next_stage = self::STAGE_INDEX_ENTITIES;
@@ -392,10 +395,11 @@ private function topological_sort_next_entity() {
 		// $cursor = $this->entity_iterator->get_reentrancy_cursor();
 		$entity = $this->entity_iterator->current();
 		$data   = $entity->get_data();
-		$offset = $this->entity_iterator->get_entity_byte_offset();
+		$offset = $this->entity_iterator->get_last_xml_byte_offset_outside_of_entity();
 
 		switch ( $entity->get_type() ) {
 			case 'category':
+				file_put_contents( 'php://stderr', print_r( $data, true ) );
 				$this->topological_sorter->map_category( $offset, $data );
 				break;
 			case 'post':

packages/playground/data-liberation/src/wxr/WP_WXR_Reader.php

@@ -340,6 +340,7 @@ class WP_WXR_Reader implements Iterator {
 		'wp:category' => array(
 			'type' => 'category',
 			'fields' => array(
+				'wp:term_id' => 'term_id',
 				'wp:category_nicename' => 'slug',
 				'wp:category_parent' => 'parent',
 				'wp:cat_name' => 'name',
@@ -396,8 +397,8 @@ protected function __construct( WP_XML_Processor $xml ) {
 		$this->xml = $xml;
 	}
 
-	public function get_entity_byte_offset() {
-		return $this->entity_byte_offset;
+	public function get_last_xml_byte_offset_outside_of_entity() {
+		return $this->last_xml_byte_offset_outside_of_entity;
 	}
 
 	public function get_reentrancy_cursor() {