From 6ac7c40043364bfaa48672687d706047c173e79f Mon Sep 17 00:00:00 2001
From: Rowan Collins <git@rwec.co.uk>
Date: Thu, 9 Nov 2017 21:07:32 +0000
Subject: [PATCH] Fix #4: extra ->children() should show for prefixed root
 element

---
 src/simplexml_tree.php             | 16 +++++++++++----
 tests/tree-output/basic-default-ns | 33 +++++++++++++++---------------
 2 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/src/simplexml_tree.php b/src/simplexml_tree.php
index 4348d2f..094e612 100644
--- a/src/simplexml_tree.php
+++ b/src/simplexml_tree.php
@@ -122,14 +122,22 @@ function _simplexml_tree_recursively_process_node($item, $depth, $include_string
 				 . PHP_EOL;
 		}
 	}
-		
+
 	// To what namespace does this element belong? Returns array( alias => URI )
-	$item_ns = $item->getNamespaces(false);
-	if ( ! $item_ns )
+	// For top-level elements, cheat, and say they're in the null namespace, to force a ->children() call
+	if ( $depth == 1 )
 	{
 		$item_ns = array('' => NULL);
 	}
-	
+	else
+	{
+		$item_ns = $item->getNamespaces(false);
+		if ( !$item_ns )
+		{
+			$item_ns = array('' => NULL);
+		}
+	}
+
 	// This returns all namespaces used by this node and all its descendants,
 	// 	whether declared in this node, in its ancestors, or in its descendants
 	$all_ns = $item->getNamespaces(true);
diff --git a/tests/tree-output/basic-default-ns b/tests/tree-output/basic-default-ns
index 69be6c0..dc26004 100644
--- a/tests/tree-output/basic-default-ns
+++ b/tests/tree-output/basic-default-ns
@@ -1,18 +1,19 @@
 SimpleXML object (1 item)
 [0] // <movies>
-	->movie[0]
-		->title[0]
-		->characters[0]
-			->character[0]
-				->name[0]
-				->actor[0]
-			->character[1]
-				->name[0]
-				->actor[0]
-		->plot[0]
-		->great-lines[0]
-			->line[0]
-		->rating[0]
-			['type']
-		->rating[1]
-			['type']
+	->children('', true)
+		->movie[0]
+			->title[0]
+			->characters[0]
+				->character[0]
+					->name[0]
+					->actor[0]
+				->character[1]
+					->name[0]
+					->actor[0]
+			->plot[0]
+			->great-lines[0]
+				->line[0]
+			->rating[0]
+				['type']
+			->rating[1]
+				['type']