Fix basic collection with namespace (#182)

src/ArrayToXml.php

@@ -216,7 +216,7 @@ protected function addSequentialNode(DOMElement $element, $value): void
             return;
         }
 
-        $child = new DOMElement($element->tagName);
+        $child = $this->document->createElement($element->tagName);
         $child->nodeValue = htmlspecialchars($value);
         $element->parentNode->appendChild($child);
     }

tests/ArrayToXmlTest.php

@@ -113,6 +113,21 @@ public function it_can_handle_zero_values_in_beginning_of_basic_collection()
         ]));
     }
 
+    /** @test */
+    public function it_can_handle_values_with_namespace_as_basic_collection()
+    {
+        $root = [
+            'rootElementName' => 'root',
+            '_attributes' => [
+                'xmlns:ns1' => 'https://github.com/spatie/array-to-xml',
+            ],
+        ];
+
+        $this->assertMatchesXmlSnapshot(ArrayToXml::convert([
+            'ns1:user' => ['one', 'two', 'three'],
+        ], $root));
+    }
+
     /** @test */
     public function it_accepts_an_xml_encoding_type()
     {
@@ -515,7 +530,7 @@ public function it_can_drop_xml_declaration()
 
         $this->assertMatchesSnapshot($arrayToXml->dropXmlDeclaration()->toXml());
     }
-    
+
     /** @test */
     public function it_can_convert_an_array_with_null_value_to_xml()
     {
@@ -525,7 +540,7 @@ public function it_can_convert_an_array_with_null_value_to_xml()
 
         $this->assertMatchesXmlSnapshot(ArrayToXml::convert($arr));
     }
-  
+
     /** @test */
     public function it_can_add_processing_instructions()
     {

tests/__snapshots__/ArrayToXmlTest__it_can_handle_values_with_namespace_as_basic_collection__1.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<root xmlns:ns1="https://github.com/spatie/array-to-xml">
+    <ns1:user>one</ns1:user>
+    <ns1:user>two</ns1:user>
+    <ns1:user>three</ns1:user>
+</root>