+ /**
+ * Filter the taxonomy parent drop-down on the Edit Term page.
+ *
+ * @since 3.7.0
+ * @since 4.2.0 Added `$context` parameter.
+ *
+ * @param array $dropdown_args {
+ * An array of taxonomy parent drop-down arguments.
+ *
+ * @type int|bool $hide_empty Whether to hide terms not attached to any posts. Default 0|false.
+ * @type bool $hide_if_empty Whether to hide the drop-down if no terms exist. Default false.
+ * @type string $taxonomy The taxonomy slug.
+ * @type string $name Value of the name attribute to use for the drop-down select element.
+ * Default 'parent'.
+ * @type string $orderby The field to order by. Default 'name'.
+ * @type bool $hierarchical Whether the taxonomy is hierarchical. Default true.
+ * @type string $show_option_none Label to display if there are no terms. Default 'None'.
+ * }
+ * @param string $taxonomy The taxonomy slug.
+ * @param string $context Filter context. Accepts 'new' or 'edit'.
+ */
+ $dropdown_args = apply_filters( 'taxonomy_parent_dropdown_args', $dropdown_args, $taxonomy, 'new' );
+