Add load_mangled_object_vars(), the inverse of get_mangled_object_vars()

Author: nicolas-grekas

Zend/tests/load_mangled_object_vars.phpt

@@ -0,0 +1,84 @@
+--TEST--
+load_mangled_object_vars() function
+--FILE--
+<?php
+
+#[AllowDynamicProperties]
+class A {
+    public $pub = 1;
+    protected $prot = 2;
+    private $priv = 3;
+}
+class B extends A {
+    private $priv = 4;
+}
+
+$obj = new B;
+$obj->dyn = 5;
+$obj->{"6"} = 6;
+
+$vars = get_mangled_object_vars($obj);
+
+$obj2 = new B;
+$obj2->pub = 7;
+load_mangled_object_vars($obj2, $vars);
+
+$vars2 = (array) $obj2;
+var_dump($vars2 === $vars);
+
+#[AllowDynamicProperties]
+class AO extends ArrayObject {
+    private $priv = 1;
+}
+
+$ao = new AO(['x' => 'y']);
+$ao->dyn = 2;
+$vars = get_mangled_object_vars($ao);
+
+$ao2 = new AO();
+load_mangled_object_vars($ao2, $vars);
+
+$vars2 = get_mangled_object_vars($ao2);
+var_dump($vars2 === $vars);
+
+class RO {
+    public function __construct(public readonly int $ro = 123)
+    {
+    }
+}
+
+$ro = new RO;
+load_mangled_object_vars($ro, []);
+var_dump($ro);
+
+load_mangled_object_vars($ro, ['ro' => 'abc']);
+var_dump($ro);
+
+#[AllowDynamicProperties]
+class DYN {
+    public function __set($name, $value)
+    {
+        $this->data[$name] = $value;
+    }
+}
+
+$dyn = new DYN;
+load_mangled_object_vars($dyn, ['abc' => 123]);
+var_dump((array) $dyn);
+
+?>
+--EXPECTF--
+bool(true)
+bool(true)
+object(RO)#%d (1) {
+  ["ro"]=>
+  int(123)
+}
+object(RO)#%d (1) {
+  ["ro"]=>
+  int(234)
+}
+array(1) {
+  ["abc"]=>
+  int(123)
+}

Zend/zend_builtin_functions.c

@@ -801,7 +801,7 @@ ZEND_FUNCTION(get_object_vars)
 }
 /* }}} */
 
-/* {{{ Returns an array of mangled object properties. Does not respect property visibility. */
+/* {{{ Returns an array of mangled object properties. Does not respect property visibility and does not call magic methods. */
 ZEND_FUNCTION(get_mangled_object_vars)
 {
 	zend_object *obj;
@@ -825,6 +825,21 @@ ZEND_FUNCTION(get_mangled_object_vars)
 }
 /* }}} */
 
+/* {{{ Loads an array of mangled object properties. Does not respect property visibility and does not call magic methods. */
+ZEND_FUNCTION(load_mangled_object_vars)
+{
+	zend_object *obj;
+	HashTable *vars;
+
+	ZEND_PARSE_PARAMETERS_START(2, 2)
+		Z_PARAM_OBJ(obj)
+		Z_PARAM_ARRAY_HT(vars)
+	ZEND_PARSE_PARAMETERS_END();
+
+	object_properties_load(obj, vars);
+}
+/* }}} */
+
 /* {{{ Returns an array of method names for class or class instance. */
 ZEND_FUNCTION(get_class_methods)
 {

Zend/zend_builtin_functions.stub.php

@@ -59,6 +59,8 @@ function get_object_vars(object $object): array {}
 
 function get_mangled_object_vars(object $object): array {}
 
+function load_mangled_object_vars(object $object, array $vars): void {}
+
 /**
  * @return array<int, string>
  * @refcount 1