first sync

core/um-navmenu-walker.php

@@ -0,0 +1,23 @@
+<?php
+
+class UM_Menu_Item_Custom_Fields_Walker extends Walker_Nav_Menu_Edit {
+
+	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
+		$item_output = '';
+		parent::start_el( $item_output, $item, $depth, $args, $id );
+		$output .= preg_replace(
+			// NOTE: Check this regex from time to time!
+			'/(?=<p[^>]+class="[^"]*field-move)/',
+			$this->get_fields( $item, $depth, $args ),
+			$item_output
+		);
+	}
+
+	protected function get_fields( $item, $depth, $args = array(), $id = 0 ) {
+		ob_start();
+
+		do_action( 'wp_nav_menu_item_custom_fields', $id, $item, $depth, $args );
+
+		return ob_get_clean();
+	}
+}