From 0a1a91f31eb7f71d174608f84280bfe105554f97 Mon Sep 17 00:00:00 2001
From: Christophe Willemsen <willemsen.christophe@gmail.com>
Date: Tue, 7 Mar 2017 00:50:48 +0400
Subject: [PATCH 1/2] fix empty array in nested array not being translated to
 empty json collection

---
 src/HttpDriver/Session.php   | 13 +++++--------
 tests/Issues/Issue99Test.php | 24 ++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 8 deletions(-)
 create mode 100644 tests/Issues/Issue99Test.php

diff --git a/src/HttpDriver/Session.php b/src/HttpDriver/Session.php
index 9866376d..9e0bd7d0 100644
--- a/src/HttpDriver/Session.php
+++ b/src/HttpDriver/Session.php
@@ -193,6 +193,7 @@ public function prepareRequest(Pipeline $pipeline)
         $body = json_encode([
             'statements' => $statements,
         ]);
+        
         $headers = [
             [
                 'X-Stream' => true,
@@ -205,15 +206,11 @@ public function prepareRequest(Pipeline $pipeline)
 
     private function formatParams(array $params)
     {
-        foreach ($params as $key => $v) {
-            if (is_array($v)) {
-                if (empty($v)) {
-                    $params[$key] = new \stdClass();
-                } else {
-                    $params[$key] = $this->formatParams($params[$key]);
-                }
+        array_walk_recursive($params, function(&$v, $k) {
+            if (is_array($v) && count($v) === 0) {
+                $v = new \stdClass();
             }
-        }
+        });
 
         return $params;
     }
diff --git a/tests/Issues/Issue99Test.php b/tests/Issues/Issue99Test.php
new file mode 100644
index 00000000..2819e97c
--- /dev/null
+++ b/tests/Issues/Issue99Test.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace GraphAware\Neo4j\Client\Tests\Issues;
+
+use GraphAware\Neo4j\Client\Tests\Integration\IntegrationTestCase;
+
+/**
+ * Class Issue99Test
+ * @package GraphAware\Neo4j\Client\Tests\Issues
+ *
+ * @group issue-99
+ */
+class Issue99Test extends IntegrationTestCase
+{
+    public function testEmptyArrayCanBePassedAsParameter()
+    {
+        $q = 'CREATE (n:Person) SET n += {props} RETURN id(n)';
+        $params = ['props' => ['id' => 123, 'some' => []]];
+
+        $result = $this->client->run($q, $params);
+
+        $this->assertEquals(1, $result->size());
+    }
+}
\ No newline at end of file

From b00ad4610eae8a92129374cc7026f3a752fcbaa9 Mon Sep 17 00:00:00 2001
From: Tobias Nyholm <tobias.nyholm@gmail.com>
Date: Tue, 7 Mar 2017 09:00:54 +0100
Subject: [PATCH 2/2] Remove contents in formatParams

---
 src/HttpDriver/Session.php | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/src/HttpDriver/Session.php b/src/HttpDriver/Session.php
index 9e0bd7d0..2181f441 100644
--- a/src/HttpDriver/Session.php
+++ b/src/HttpDriver/Session.php
@@ -193,7 +193,7 @@ public function prepareRequest(Pipeline $pipeline)
         $body = json_encode([
             'statements' => $statements,
         ]);
-        
+
         $headers = [
             [
                 'X-Stream' => true,
@@ -206,12 +206,6 @@ public function prepareRequest(Pipeline $pipeline)
 
     private function formatParams(array $params)
     {
-        array_walk_recursive($params, function(&$v, $k) {
-            if (is_array($v) && count($v) === 0) {
-                $v = new \stdClass();
-            }
-        });
-
         return $params;
     }