diff --git a/ext/simplexml/simplexml.c b/ext/simplexml/simplexml.c
index a90cbec2fd4ca..31461014d836c 100644
--- a/ext/simplexml/simplexml.c
+++ b/ext/simplexml/simplexml.c
@@ -78,25 +78,6 @@ static void _node_as_zval(php_sxe_object *sxe, xmlNodePtr node, zval *value, SXE
 }
 /* }}} */
 
-/* Important: this overwrites the iterator data, if you wish to keep it use php_sxe_get_first_node_non_destructive() instead! */
-static xmlNodePtr php_sxe_get_first_node(php_sxe_object *sxe, xmlNodePtr node) /* {{{ */
-{
-	php_sxe_object *intern;
-	xmlNodePtr retnode = NULL;
-
-	if (sxe && sxe->iter.type != SXE_ITER_NONE) {
-		php_sxe_reset_iterator(sxe, 1);
-		if (!Z_ISUNDEF(sxe->iter.data)) {
-			intern = Z_SXEOBJ_P(&sxe->iter.data);
-			GET_NODE(intern, retnode)
-		}
-		return retnode;
-	} else {
-		return node;
-	}
-}
-/* }}} */
-
 static xmlNodePtr php_sxe_get_first_node_non_destructive(php_sxe_object *sxe, xmlNodePtr node)
 {
 	if (sxe && sxe->iter.type != SXE_ITER_NONE) {
@@ -184,7 +165,7 @@ static xmlNodePtr sxe_get_element_by_name(php_sxe_object *sxe, xmlNodePtr node,
 		if (sxe->iter.type == SXE_ITER_NONE) {
 			sxe->iter.type = SXE_ITER_CHILD;
 		}
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		sxe->iter.type = orgtype;
 	}
 
@@ -270,11 +251,11 @@ static zval *sxe_prop_dim_read(zend_object *object, zval *member, bool elements,
 	if (sxe->iter.type == SXE_ITER_ATTRLIST) {
 		attribs = 1;
 		elements = 0;
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = (xmlAttrPtr)node;
 		test = sxe->iter.name != NULL;
 	} else if (sxe->iter.type != SXE_ITER_CHILD) {
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = node ? node->properties : NULL;
 		test = 0;
 		if (!member && node && node->parent &&
@@ -322,7 +303,7 @@ static zval *sxe_prop_dim_read(zend_object *object, zval *member, bool elements,
 				xmlNodePtr mynode = node;
 
 				if (sxe->iter.type == SXE_ITER_CHILD) {
-					node = php_sxe_get_first_node(sxe, node);
+					node = php_sxe_get_first_node_non_destructive(sxe, node);
 				}
 				if (sxe->iter.type == SXE_ITER_NONE) {
 					if (member && Z_LVAL_P(member) > 0) {
@@ -456,12 +437,12 @@ static zval *sxe_prop_dim_write(zend_object *object, zval *member, zval *value,
 	if (sxe->iter.type == SXE_ITER_ATTRLIST) {
 		attribs = 1;
 		elements = 0;
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = (xmlAttrPtr)node;
 		test = sxe->iter.name != NULL;
 	} else if (sxe->iter.type != SXE_ITER_CHILD) {
 		mynode = node;
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = node ? node->properties : NULL;
 		test = 0;
 		if (!member && node && node->parent &&
@@ -707,7 +688,7 @@ static int sxe_prop_dim_exists(zend_object *object, zval *member, int check_empt
 			attribs = 0;
 			elements = 1;
 			if (sxe->iter.type == SXE_ITER_CHILD) {
-				node = php_sxe_get_first_node(sxe, node);
+				node = php_sxe_get_first_node_non_destructive(sxe, node);
 			}
 		}
 	}
@@ -715,11 +696,11 @@ static int sxe_prop_dim_exists(zend_object *object, zval *member, int check_empt
 	if (sxe->iter.type == SXE_ITER_ATTRLIST) {
 		attribs = 1;
 		elements = 0;
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = (xmlAttrPtr)node;
 		test = sxe->iter.name != NULL;
 	} else if (sxe->iter.type != SXE_ITER_CHILD) {
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = node ? node->properties : NULL;
 		test = 0;
 	}
@@ -759,7 +740,7 @@ static int sxe_prop_dim_exists(zend_object *object, zval *member, int check_empt
 		if (elements) {
 			if (Z_TYPE_P(member) == IS_LONG) {
 				if (sxe->iter.type == SXE_ITER_CHILD) {
-					node = php_sxe_get_first_node(sxe, node);
+					node = php_sxe_get_first_node_non_destructive(sxe, node);
 				}
 				node = sxe_get_element_by_offset(sxe, Z_LVAL_P(member), node, NULL);
 			} else {
@@ -829,7 +810,7 @@ static void sxe_prop_dim_delete(zend_object *object, zval *member, bool elements
 			attribs = 0;
 			elements = 1;
 			if (sxe->iter.type == SXE_ITER_CHILD) {
-				node = php_sxe_get_first_node(sxe, node);
+				node = php_sxe_get_first_node_non_destructive(sxe, node);
 			}
 		}
 	}
@@ -837,11 +818,11 @@ static void sxe_prop_dim_delete(zend_object *object, zval *member, bool elements
 	if (sxe->iter.type == SXE_ITER_ATTRLIST) {
 		attribs = 1;
 		elements = 0;
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = (xmlAttrPtr)node;
 		test = sxe->iter.name != NULL;
 	} else if (sxe->iter.type != SXE_ITER_CHILD) {
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 		attr = node ? node->properties : NULL;
 		test = 0;
 	}
@@ -878,7 +859,7 @@ static void sxe_prop_dim_delete(zend_object *object, zval *member, bool elements
 		if (elements) {
 			if (Z_TYPE_P(member) == IS_LONG) {
 				if (sxe->iter.type == SXE_ITER_CHILD) {
-					node = php_sxe_get_first_node(sxe, node);
+					node = php_sxe_get_first_node_non_destructive(sxe, node);
 				}
 				node = sxe_get_element_by_offset(sxe, Z_LVAL_P(member), node, NULL);
 				if (node) {
@@ -1011,7 +992,7 @@ static int sxe_prop_is_empty(zend_object *object) /* {{{ */
 	}
 
 	if (sxe->iter.type == SXE_ITER_ELEMENT) {
-		node = php_sxe_get_first_node(sxe, node);
+		node = php_sxe_get_first_node_non_destructive(sxe, node);
 	}
 	if (!node || node->type != XML_ENTITY_DECL) {
 		attr = node ? (xmlAttrPtr)node->properties : NULL;
@@ -1025,7 +1006,7 @@ static int sxe_prop_is_empty(zend_object *object) /* {{{ */
 	}
 
 	GET_NODE(sxe, node);
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 	is_empty = 1;
 	ZVAL_UNDEF(&iter_data);
 	if (node && sxe->iter.type != SXE_ITER_ATTRLIST) {
@@ -1120,7 +1101,7 @@ static HashTable *sxe_get_prop_hash(zend_object *object, int is_debug) /* {{{ */
 	}
 	if (is_debug || sxe->iter.type != SXE_ITER_CHILD) {
 		if (sxe->iter.type == SXE_ITER_ELEMENT) {
-			node = php_sxe_get_first_node(sxe, node);
+			node = php_sxe_get_first_node_non_destructive(sxe, node);
 		}
 		if (!node || node->type != XML_ENTITY_DECL) {
 			attr = node ? (xmlAttrPtr)node->properties : NULL;
@@ -1142,7 +1123,7 @@ static HashTable *sxe_get_prop_hash(zend_object *object, int is_debug) /* {{{ */
 	}
 
 	GET_NODE(sxe, node);
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 
 	if (node && sxe->iter.type != SXE_ITER_ATTRLIST) {
 		if (node->type == XML_ATTRIBUTE_NODE) {
@@ -1301,7 +1282,7 @@ PHP_METHOD(SimpleXMLElement, xpath)
 	}
 
 	GET_NODE(sxe, nodeptr);
-	nodeptr = php_sxe_get_first_node(sxe, nodeptr);
+	nodeptr = php_sxe_get_first_node_non_destructive(sxe, nodeptr);
 	if (!nodeptr) {
 		return;
 	}
@@ -1410,7 +1391,7 @@ PHP_METHOD(SimpleXMLElement, asXML)
 
 	sxe = Z_SXEOBJ_P(ZEND_THIS);
 	GET_NODE(sxe, node);
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 
 	if (!node) {
 		RETURN_FALSE;
@@ -1533,7 +1514,7 @@ PHP_METHOD(SimpleXMLElement, getNamespaces)
 
 	sxe = Z_SXEOBJ_P(ZEND_THIS);
 	GET_NODE(sxe, node);
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 
 	if (node) {
 		if (node->type == XML_ELEMENT_NODE) {
@@ -1618,7 +1599,7 @@ PHP_METHOD(SimpleXMLElement, children)
 	}
 
 	GET_NODE(sxe, node);
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 	if (!node) {
 		return;
 	}
@@ -1667,7 +1648,7 @@ PHP_METHOD(SimpleXMLElement, attributes)
 
 	sxe = Z_SXEOBJ_P(ZEND_THIS);
 	GET_NODE(sxe, node);
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 	if (!node) {
 		return;
 	}
@@ -1708,7 +1689,7 @@ PHP_METHOD(SimpleXMLElement, addChild)
 		return;
 	}
 
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 
 	if (node == NULL) {
 		php_error_docref(NULL, E_WARNING, "Cannot add child. Parent is not a permanent member of the XML tree");
@@ -1768,7 +1749,7 @@ PHP_METHOD(SimpleXMLElement, addAttribute)
 	sxe = Z_SXEOBJ_P(ZEND_THIS);
 	GET_NODE(sxe, node);
 
-	node = php_sxe_get_first_node(sxe, node);
+	node = php_sxe_get_first_node_non_destructive(sxe, node);
 
 	if (node && node->type != XML_ELEMENT_NODE) {
 		node = node->parent;
@@ -2615,7 +2596,7 @@ void *simplexml_export_node(zval *object) /* {{{ */
 
 	sxe = Z_SXEOBJ_P(object);
 	GET_NODE(sxe, node);
-	return php_sxe_get_first_node(sxe, node);
+	return php_sxe_get_first_node_non_destructive(sxe, node);
 }
 /* }}} */
 
diff --git a/ext/simplexml/tests/bug55098.phpt b/ext/simplexml/tests/bug55098.phpt
new file mode 100644
index 0000000000000..71c8b424ecdca
--- /dev/null
+++ b/ext/simplexml/tests/bug55098.phpt
@@ -0,0 +1,92 @@
+--TEST--
+Bug #55098 (SimpleXML iteration produces infinite loop)
+--EXTENSIONS--
+simplexml
+--FILE--
+<?php
+$xmlString = "<root><a><b>1</b><b>2</b><b>3</b></a></root>";
+$xml = simplexml_load_string($xmlString);
+
+$nodes = $xml->a->b;
+
+function test($nodes, $name, $callable) {
+    echo "--- $name ---\n";
+    foreach ($nodes as $nodeData) {
+        echo "nodeData: " . $nodeData . "\n";
+        $callable($nodes);
+    }
+}
+
+test($nodes, "asXml", fn ($n) => $n->asXml());
+test($nodes, "attributes", fn ($n) => $n->attributes());
+test($nodes, "children", fn ($n) => $n->children());
+test($nodes, "getNamespaces", fn ($n) => $n->getNamespaces());
+test($nodes, "xpath", fn ($n) => $n->xpath("/root/a/b"));
+test($nodes, "var_dump", fn ($n) => var_dump($n));
+test($nodes, "manipulation combined with querying", function ($n) {
+    $n->addAttribute("attr", "value");
+    (bool) $n["attr"];
+    $n->addChild("child", "value");
+    $n->outer[]->inner = "foo";
+    (bool) $n->outer;
+    (bool) $n;
+    isset($n->outer);
+    isset($n["attr"]);
+    unset($n->outer);
+    unset($n["attr"]);
+    unset($n->child);
+});
+?>
+--EXPECT--
+--- asXml ---
+nodeData: 1
+nodeData: 2
+nodeData: 3
+--- attributes ---
+nodeData: 1
+nodeData: 2
+nodeData: 3
+--- children ---
+nodeData: 1
+nodeData: 2
+nodeData: 3
+--- getNamespaces ---
+nodeData: 1
+nodeData: 2
+nodeData: 3
+--- xpath ---
+nodeData: 1
+nodeData: 2
+nodeData: 3
+--- var_dump ---
+nodeData: 1
+object(SimpleXMLElement)#3 (3) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+  [2]=>
+  string(1) "3"
+}
+nodeData: 2
+object(SimpleXMLElement)#3 (3) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+  [2]=>
+  string(1) "3"
+}
+nodeData: 3
+object(SimpleXMLElement)#3 (3) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+  [2]=>
+  string(1) "3"
+}
+--- manipulation combined with querying ---
+nodeData: 1
+nodeData: 2
+nodeData: 3
diff --git a/ext/simplexml/tests/bug62639.phpt b/ext/simplexml/tests/bug62639.phpt
index 286e6c5d8fdca..517162d84ebd3 100644
--- a/ext/simplexml/tests/bug62639.phpt
+++ b/ext/simplexml/tests/bug62639.phpt
@@ -41,7 +41,7 @@ foreach ($a2->b->c->children() as $key => $value) {
     var_dump($value);
 }?>
 --EXPECT--
-object(A)#2 (2) {
+object(A)#4 (2) {
   ["@attributes"]=>
   array(1) {
     ["attr"]=>
@@ -50,7 +50,7 @@ object(A)#2 (2) {
   [0]=>
   string(10) "Some Value"
 }
-object(A)#3 (2) {
+object(A)#6 (2) {
   ["@attributes"]=>
   array(1) {
     ["attr"]=>