Merge pull request #16 from swaggest/issue-14

Fix #14

Author: vearutop

src/JsonDiff.php

@@ -244,7 +244,7 @@ private function process($original, $new)
             $path = $this->path;
             $pathItems = $this->pathItems;
             $actualKey = $key;
-            if ($isArray) {
+            if ($isArray && is_int($actualKey)) {
                 $actualKey -= $removedOffset;
             }
             $this->path .= '/' . JsonPointer::escapeSegment($actualKey, $this->options & self::JSON_URI_FRAGMENT_ID);

tests/src/Issues/Issue14Test.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Swaggest\JsonDiff\Tests\Issues;
+
+use Swaggest\JsonDiff\JsonDiff;
+
+class Issue14Test extends \PHPUnit_Framework_TestCase
+{
+    public function testIssue()
+    {
+        new JsonDiff(
+            ["name" => "Test"],
+            [],
+            JsonDiff::REARRANGE_ARRAYS
+        );
+    }
+
+}