Merge branch 'rtyshyk-fix-data-iterable' into 7.4

Author: ezimuel

src/Elasticsearch/Client.php

@@ -1275,7 +1275,9 @@ public function extractArgument(array &$params, string $arg)
     {
         if (array_key_exists($arg, $params) === true) {
             $value = $params[$arg];
-            $value = is_object($value) ? (array) $value : $value;
+            $value = (is_object($value) && !is_iterable($value)) ?
+                (array) $value :
+                $value;
             unset($params[$arg]);
             return $value;
         } else {

tests/Elasticsearch/Tests/ClientTest.php

@@ -478,4 +478,16 @@ public function testClientLazy()
         $result = $client->info($params);
         $this->assertInstanceOf(FutureArray::class, $result);
     }
+
+    public function testExtractArgumentIterable()
+    {
+        $client = Elasticsearch\ClientBuilder::create()->build();
+        // array iterator can be casted to array back, so make more real with IteratorIterator
+        $body = new \IteratorIterator(new \ArrayIterator([1, 2, 3]));
+        $params = ['body' => $body];
+        $argument = $client->extractArgument($params, 'body');
+        $this->assertEquals($body, $argument);
+        $this->assertCount(0, $params);
+        $this->assertInstanceOf(\IteratorIterator::class, $argument);
+    }
 }