diff --git a/ext/soap/soap.c b/ext/soap/soap.c
index ef46c5e11bf..6e425fb403d 100644
--- a/ext/soap/soap.c
+++ b/ext/soap/soap.c
@@ -162,6 +162,9 @@ static zend_class_entry* soap_header_class_entry;
 static zend_class_entry* soap_param_class_entry;
 zend_class_entry* soap_var_class_entry;
 
+#define Z_PARAM_NAME_P(zv) OBJ_PROP_NUM(Z_OBJ_P(zv), 0)
+#define Z_PARAM_DATA_P(zv) OBJ_PROP_NUM(Z_OBJ_P(zv), 1)
+
 ZEND_DECLARE_MODULE_GLOBALS(soap)
 
 static void (*old_error_handler)(int, zend_string *, const uint32_t, zend_string *);
@@ -499,22 +502,21 @@ PHP_MINFO_FUNCTION(soap)
 PHP_METHOD(SoapParam, __construct)
 {
 	zval *data;
-	char *name;
-	size_t name_length;
+	zend_string *name;
 	zval *this_ptr;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "zs", &data, &name, &name_length) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "zS", &data, &name) == FAILURE) {
 		RETURN_THROWS();
 	}
 
-	if (name_length == 0) {
+	if (ZSTR_LEN(name) == 0) {
 		zend_argument_value_error(2, "cannot be empty");
 		RETURN_THROWS();
 	}
 
 	this_ptr = ZEND_THIS;
-	add_property_stringl(this_ptr, "param_name", name, name_length);
-	add_property_zval(this_ptr, "param_data", data);
+	ZVAL_STR_COPY(Z_PARAM_NAME_P(this_ptr), name);
+	ZVAL_COPY(Z_PARAM_DATA_P(this_ptr), data);
 }
 /* }}} */
 
@@ -4064,15 +4066,12 @@ static xmlNodePtr serialize_parameter(sdlParamPtr param, zval *param_val, int in
 	xmlNodePtr xmlParam;
 	char paramNameBuf[10];
 
-	if (param_val &&
-	    Z_TYPE_P(param_val) == IS_OBJECT &&
-	    Z_OBJCE_P(param_val) == soap_param_class_entry) {
-		zval *param_name;
-		zval *param_data;
-
-		if ((param_name = zend_hash_str_find(Z_OBJPROP_P(param_val), "param_name", sizeof("param_name")-1)) != NULL &&
-		    Z_TYPE_P(param_name) == IS_STRING &&
-		    (param_data = zend_hash_str_find(Z_OBJPROP_P(param_val), "param_data", sizeof("param_data")-1)) != NULL) {
+	if (param_val && Z_TYPE_P(param_val) == IS_OBJECT
+			&& Z_OBJCE_P(param_val) == soap_param_class_entry) {
+		zval *param_name = Z_PARAM_NAME_P(param_val);
+		zval *param_data = Z_PARAM_DATA_P(param_val);
+		ZVAL_DEREF(param_name);
+		if (Z_TYPE_P(param_name) == IS_STRING && Z_TYPE_P(param_data) != IS_UNDEF) {
 			param_val = param_data;
 			name = Z_STRVAL_P(param_name);
 		}
diff --git a/ext/soap/soap.stub.php b/ext/soap/soap.stub.php
index faf068c74fa..d57a2045cf7 100644
--- a/ext/soap/soap.stub.php
+++ b/ext/soap/soap.stub.php
@@ -8,6 +8,9 @@ function is_soap_fault(mixed $object): bool {}
 
 class SoapParam
 {
+    public string $param_name;
+    public mixed $param_data;
+
     public function __construct(mixed $data, string $name) {}
 }
 
diff --git a/ext/soap/soap_arginfo.h b/ext/soap/soap_arginfo.h
index 6b6c4dcaf72..d2c8cd1d6b2 100644
--- a/ext/soap/soap_arginfo.h
+++ b/ext/soap/soap_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: c72f989c179f1bc136fe008c78ac3605efe55141 */
+ * Stub hash: a5baf303718efbc6fa5700de62fe8f33e6be0874 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_use_soap_error_handler, 0, 0, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, enable, _IS_BOOL, 0, "true")
@@ -240,6 +240,18 @@ static zend_class_entry *register_class_SoapParam(void)
 	INIT_CLASS_ENTRY(ce, "SoapParam", class_SoapParam_methods);
 	class_entry = zend_register_internal_class_ex(&ce, NULL);
 
+	zval property_param_name_default_value;
+	ZVAL_UNDEF(&property_param_name_default_value);
+	zend_string *property_param_name_name = zend_string_init("param_name", sizeof("param_name") - 1, 1);
+	zend_declare_typed_property(class_entry, property_param_name_name, &property_param_name_default_value, ZEND_ACC_PUBLIC, NULL, (zend_type) ZEND_TYPE_INIT_MASK(MAY_BE_STRING));
+	zend_string_release(property_param_name_name);
+
+	zval property_param_data_default_value;
+	ZVAL_UNDEF(&property_param_data_default_value);
+	zend_string *property_param_data_name = zend_string_init("param_data", sizeof("param_data") - 1, 1);
+	zend_declare_typed_property(class_entry, property_param_data_name, &property_param_data_default_value, ZEND_ACC_PUBLIC, NULL, (zend_type) ZEND_TYPE_INIT_MASK(MAY_BE_ANY));
+	zend_string_release(property_param_data_name);
+
 	return class_entry;
 }