From 190b435dc7bf23db9f1907fd2d49dda6769b1a2c Mon Sep 17 00:00:00 2001
From: Andrew Boyd <andrew@wearebraid.com>
Date: Fri, 9 Nov 2018 14:49:26 -0500
Subject: [PATCH] Adds limit to post recursion when iterating through nested
 WordPress posts.

---
 library/class-acf-to-rest-api-recursive.php | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)
 mode change 100644 => 100755 library/class-acf-to-rest-api-recursive.php

diff --git a/library/class-acf-to-rest-api-recursive.php b/library/class-acf-to-rest-api-recursive.php
old mode 100644
new mode 100755
index 74e12e8..f5258bb
--- a/library/class-acf-to-rest-api-recursive.php
+++ b/library/class-acf-to-rest-api-recursive.php
@@ -6,6 +6,10 @@
 
 if ( ! class_exists( 'ACF_To_REST_API_Recursive' ) ) {
 	class ACF_To_REST_API_Recursive {
+
+		protected static $recursedPosts = [];
+		public static $postRecursionDepth = 1;
+
 		public static function init() {
 			self::hooks();
 		}
@@ -18,9 +22,9 @@ private static function hooks() {
 
 		protected static function get_types() {
 			$types = array(
-				'options'  => 'options',
-				'comments' => 'comments',
-				'users'    => 'users',
+				'options'     => 'options',
+				'comments'    => 'comments',
+				'users'       => 'users'
 			);
 
 			$types += (array) get_post_types( array( 'show_in_rest' => true ) );
@@ -47,11 +51,15 @@ public static function get_fields( $data ) {
 
 		public static function get_fields_recursive( $item ) {
 			if ( is_object( $item ) ) {
+				if (get_class($item) === 'WP_Post') {
+					static::$recursedPosts[$item->ID] = static::$recursedPosts[$item->ID] ?? 0;
+					static::$recursedPosts[$item->ID]++;
+				}
 				$item->acf = array();
-
+				$depth = $item->depth ?? 0;
 				$fields = get_fields( $item );
 
-				if ( $fields ) {
+				if ( $fields && static::$recursedPosts[$item->ID] < static::$postRecursionDepth ) {
 					$item->acf = $fields;
 					array_walk_recursive( $item->acf, array( __CLASS__, 'get_fields_recursive' ) );
 				}