+ /**
+ * Filters the list of template filenames that are searched for when retrieving a template to use.
+ *
+ * The last element in the array should always be the fallback template for this query type.
+ *
+ * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
+ * 'embed', home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+ *
+ * @since 4.7.0
+ *
+ * @param array $templates A list of template candidates, in descending order of priority.
+ */
+ $templates = apply_filters( "{$type}_template_hierarchy", $templates );
+