Ticket #22435: export.3.diff

src/wp-includes/export/class-wp-export-query.php

@@ -72 +72 @@
 
         public function categories() {
                 if ( $this->category ) {
-                        return $this->category;
+                        return array( $this->category );
                 }
                 if ( $this->filters['post_type'] ) {
                         return array();

tests/phpunit/tests/export/class-wp-export-query.php

@@ -174 +174 @@
                 $category_id = $this->factory->category->create( array( 'name' => 'baba' ) );
                 $other_category_id = $this->factory->category->create( array( 'name' => 'dyado' ) );
                 $export = new WP_Export_Query( array( 'post_type' => 'post', 'category' => $category_id ) );
-                $this->assertEquals( 1, count( $export->categories() ) );
+                $categories = $export->categories();
+                $this->assertTrue( is_array( $categories ) );
+                $this->assertEquals( 1, count( $categories ) );
         }
 
         function test_categories_should_return_no_categories_if_we_are_requesting_only_one_post_type() {