diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index 6db2d99ec59b9..b1a9188748fad 100644
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -134,6 +134,8 @@ PHP 8.3 INTERNALS UPGRADE NOTES
      the base node of the node list. This function also no longer accepts -1 as the index argument.
    - The function dom_namednode_iter() has additional arguments to avoid recomputing the length of
      the strings.
+   - The functions dom_parent_node_prepend(), dom_parent_node_append(), dom_parent_node_after(), and
+     dom_parent_node_before() now use an uint32_t argument for the number of nodes instead of int.
 
  g. ext/libxml
    - Two new functions: php_libxml_invalidate_node_list_cache_from_doc() and
diff --git a/ext/dom/characterdata.c b/ext/dom/characterdata.c
index 85660a7b3549f..2ff65a314d3e6 100644
--- a/ext/dom/characterdata.c
+++ b/ext/dom/characterdata.c
@@ -364,7 +364,7 @@ PHP_METHOD(DOMCharacterData, remove)
 
 PHP_METHOD(DOMCharacterData, after)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -381,7 +381,7 @@ PHP_METHOD(DOMCharacterData, after)
 
 PHP_METHOD(DOMCharacterData, before)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -398,7 +398,7 @@ PHP_METHOD(DOMCharacterData, before)
 
 PHP_METHOD(DOMCharacterData, replaceWith)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
diff --git a/ext/dom/document.c b/ext/dom/document.c
index 7dd1e7f38ac80..0660fa779e537 100644
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -2104,7 +2104,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMDocument, append)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -2125,7 +2125,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMDocument, prepend)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
diff --git a/ext/dom/documentfragment.c b/ext/dom/documentfragment.c
index 4e7f76a7de80a..a3394e88d5566 100644
--- a/ext/dom/documentfragment.c
+++ b/ext/dom/documentfragment.c
@@ -135,7 +135,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMDocumentFragment, append)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -156,7 +156,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMDocumentFragment, prepend)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
diff --git a/ext/dom/element.c b/ext/dom/element.c
index 9b8fe667707fd..8faf77e8440c9 100644
--- a/ext/dom/element.c
+++ b/ext/dom/element.c
@@ -1155,7 +1155,7 @@ PHP_METHOD(DOMElement, remove)
 
 PHP_METHOD(DOMElement, after)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -1172,7 +1172,7 @@ PHP_METHOD(DOMElement, after)
 
 PHP_METHOD(DOMElement, before)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -1192,7 +1192,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMElement, append)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -1213,7 +1213,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMElement, prepend)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
@@ -1234,7 +1234,7 @@ Since: DOM Living Standard (DOM4)
 */
 PHP_METHOD(DOMElement, replaceWith)
 {
-	int argc;
+	uint32_t argc;
 	zval *args, *id;
 	dom_object *intern;
 	xmlNode *context;
diff --git a/ext/dom/parentnode.c b/ext/dom/parentnode.c
index 555296e2ec358..70a952935cac2 100644
--- a/ext/dom/parentnode.c
+++ b/ext/dom/parentnode.c
@@ -124,9 +124,9 @@ int dom_parent_node_child_element_count(dom_object *obj, zval *retval)
 }
 /* }}} */
 
-static bool dom_is_node_in_list(const zval *nodes, int nodesc, const xmlNodePtr node_to_find)
+static bool dom_is_node_in_list(const zval *nodes, uint32_t nodesc, const xmlNodePtr node_to_find)
 {
-	for (int i = 0; i < nodesc; i++) {
+	for (uint32_t i = 0; i < nodesc; i++) {
 		if (Z_TYPE(nodes[i]) == IS_OBJECT) {
 			const zend_class_entry *ce = Z_OBJCE(nodes[i]);
 
@@ -141,9 +141,8 @@ static bool dom_is_node_in_list(const zval *nodes, int nodesc, const xmlNodePtr
 	return false;
 }
 
-xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNode, zval *nodes, int nodesc)
+xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNode, zval *nodes, uint32_t nodesc)
 {
-	int i;
 	xmlDoc *documentNode;
 	xmlNode *fragment;
 	xmlNode *newNode;
@@ -170,7 +169,7 @@ xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNod
 
 	stricterror = dom_get_strict_error(document);
 
-	for (i = 0; i < nodesc; i++) {
+	for (uint32_t i = 0; i < nodesc; i++) {
 		if (Z_TYPE(nodes[i]) == IS_OBJECT) {
 			ce = Z_OBJCE(nodes[i]);
 
@@ -253,9 +252,9 @@ static void dom_fragment_assign_parent_node(xmlNodePtr parentNode, xmlNodePtr fr
 	fragment->last = NULL;
 }
 
-static zend_result dom_hierarchy_node_list(xmlNodePtr parentNode, zval *nodes, int nodesc)
+static zend_result dom_hierarchy_node_list(xmlNodePtr parentNode, zval *nodes, uint32_t nodesc)
 {
-	for (int i = 0; i < nodesc; i++) {
+	for (uint32_t i = 0; i < nodesc; i++) {
 		if (Z_TYPE(nodes[i]) == IS_OBJECT) {
 			const zend_class_entry *ce = Z_OBJCE(nodes[i]);
 
@@ -270,7 +269,7 @@ static zend_result dom_hierarchy_node_list(xmlNodePtr parentNode, zval *nodes, i
 	return SUCCESS;
 }
 
-void dom_parent_node_append(dom_object *context, zval *nodes, int nodesc)
+void dom_parent_node_append(dom_object *context, zval *nodes, uint32_t nodesc)
 {
 	xmlNode *parentNode = dom_object_get_node(context);
 	xmlNodePtr newchild, prevsib;
@@ -311,7 +310,7 @@ void dom_parent_node_append(dom_object *context, zval *nodes, int nodesc)
 	xmlFree(fragment);
 }
 
-void dom_parent_node_prepend(dom_object *context, zval *nodes, int nodesc)
+void dom_parent_node_prepend(dom_object *context, zval *nodes, uint32_t nodesc)
 {
 	xmlNode *parentNode = dom_object_get_node(context);
 
@@ -379,7 +378,7 @@ static void dom_pre_insert(xmlNodePtr insertion_point, xmlNodePtr parentNode, xm
 	}
 }
 
-void dom_parent_node_after(dom_object *context, zval *nodes, int nodesc)
+void dom_parent_node_after(dom_object *context, zval *nodes, uint32_t nodesc)
 {
 	/* Spec link: https://dom.spec.whatwg.org/#dom-childnode-after */
 
@@ -432,7 +431,7 @@ void dom_parent_node_after(dom_object *context, zval *nodes, int nodesc)
 	xmlFree(fragment);
 }
 
-void dom_parent_node_before(dom_object *context, zval *nodes, int nodesc)
+void dom_parent_node_before(dom_object *context, zval *nodes, uint32_t nodesc)
 {
 	/* Spec link: https://dom.spec.whatwg.org/#dom-childnode-before */
 
@@ -544,7 +543,7 @@ void dom_child_node_remove(dom_object *context)
 	php_dom_throw_error(NOT_FOUND_ERR, stricterror);
 }
 
-void dom_child_replace_with(dom_object *context, zval *nodes, int nodesc)
+void dom_child_replace_with(dom_object *context, zval *nodes, uint32_t nodesc)
 {
 	xmlNodePtr child = dom_object_get_node(context);
 	xmlNodePtr parentNode = child->parent;
diff --git a/ext/dom/php_dom.h b/ext/dom/php_dom.h
index 9e01a2ca63964..49e23213157d6 100644
--- a/ext/dom/php_dom.h
+++ b/ext/dom/php_dom.h
@@ -135,12 +135,12 @@ xmlNode *php_dom_libxml_notation_iter(xmlHashTable *ht, int index);
 zend_object_iterator *php_dom_get_iterator(zend_class_entry *ce, zval *object, int by_ref);
 void dom_set_doc_classmap(php_libxml_ref_obj *document, zend_class_entry *basece, zend_class_entry *ce);
 
-void dom_parent_node_prepend(dom_object *context, zval *nodes, int nodesc);
-void dom_parent_node_append(dom_object *context, zval *nodes, int nodesc);
-void dom_parent_node_after(dom_object *context, zval *nodes, int nodesc);
-void dom_parent_node_before(dom_object *context, zval *nodes, int nodesc);
+void dom_parent_node_prepend(dom_object *context, zval *nodes, uint32_t nodesc);
+void dom_parent_node_append(dom_object *context, zval *nodes, uint32_t nodesc);
+void dom_parent_node_after(dom_object *context, zval *nodes, uint32_t nodesc);
+void dom_parent_node_before(dom_object *context, zval *nodes, uint32_t nodesc);
 void dom_child_node_remove(dom_object *context);
-void dom_child_replace_with(dom_object *context, zval *nodes, int nodesc);
+void dom_child_replace_with(dom_object *context, zval *nodes, uint32_t nodesc);
 
 #define DOM_GET_OBJ(__ptr, __id, __prtype, __intern) { \
 	__intern = Z_DOMOBJ_P(__id); \