Fix Lazy Objects Reflection API: add ReflectionProperty::isLazy()

Zend/tests/lazy_objects/isLazy.phpt

@@ -0,0 +1,140 @@
+--TEST--
+Lazy Objects: ReflectionProperty::isLazy()
+--FILE--
+<?php
+
+#[AllowDynamicProperties]
+class C {
+    public static $staticProp;
+    public int $typed;
+    public $untyped;
+    public $virtual {
+        get {}
+    }
+}
+
+function testProps(ReflectionClass $reflector, object $obj) {
+    foreach (['staticProp', 'typed', 'untyped', 'virtual', 'dynamic'] as $name) {
+        if ('dynamic' === $name) {
+            $tmp = new C();
+            $tmp->dynamic = 1;
+            $pr = new ReflectionProperty($tmp, $name);
+        } else {
+            $pr = $reflector->getProperty($name);
+        }
+        printf("%s: %d\n", $name, $pr->isLazy($obj));
+    }
+}
+
+$reflector = new ReflectionClass(C::class);
+
+print "# Ghost\n";
+
+$obj = $reflector->newLazyGhost(function () { });
+
+testProps($reflector, $obj);
+
+$pr = $reflector->getProperty('typed');
+$pr->skipLazyInitialization($obj);
+printf("typed (skipped): %d\n", $pr->isLazy($obj));
+
+print "# Initialized Ghost\n";
+
+$reflector->initializeLazyObject($obj);
+
+testProps($reflector, $obj);
+
+print "# Proxy\n";
+
+$obj = $reflector->newLazyProxy(function () {
+    return new C();
+});
+
+testProps($reflector, $obj);
+
+$pr = $reflector->getProperty('typed');
+$pr->skipLazyInitialization($obj);
+printf("typed (skipped prop): %d\n", $pr->isLazy($obj));
+
+print "# Initialized Proxy\n";
+
+$reflector->initializeLazyObject($obj);
+
+testProps($reflector, $obj);
+
+print "# Nested Proxy\n";
+
+$nested = new C();
+$obj = $reflector->newLazyProxy(function () use ($nested) {
+    return $nested;
+});
+$reflector->initializeLazyObject($obj);
+$reflector->resetAsLazyProxy($nested, function () {
+    return new C();
+});
+
+testProps($reflector, $obj);
+
+print "# Nested Proxy (nested initialized)\n";
+
+$nested = new C();
+$obj = $reflector->newLazyProxy(function () use ($nested) {
+    return $nested;
+});
+$reflector->initializeLazyObject($obj);
+$reflector->resetAsLazyProxy($nested, function () {
+    return new C();
+});
+$reflector->initializeLazyObject($nested);
+
+testProps($reflector, $obj);
+
+print "# Internal\n";
+
+$obj = (new DateTime())->diff(new DateTime());
+$reflector = new ReflectionClass(DateInterval::class);
+$pr = new ReflectionProperty($obj, 'y');
+printf("y: %d\n", $pr->isLazy($obj));
+
+?>
+--EXPECT--
+# Ghost
+staticProp: 0
+typed: 1
+untyped: 1
+virtual: 0
+dynamic: 0
+typed (skipped): 0
+# Initialized Ghost
+staticProp: 0
+typed: 0
+untyped: 0
+virtual: 0
+dynamic: 0
+# Proxy
+staticProp: 0
+typed: 1
+untyped: 1
+virtual: 0
+dynamic: 0
+typed (skipped prop): 0
+# Initialized Proxy
+staticProp: 0
+typed: 0
+untyped: 0
+virtual: 0
+dynamic: 0
+# Nested Proxy
+staticProp: 0
+typed: 1
+untyped: 1
+virtual: 0
+dynamic: 0
+# Nested Proxy (nested initialized)
+staticProp: 0
+typed: 0
+untyped: 0
+virtual: 0
+dynamic: 0
+# Internal
+y: 0

ext/reflection/php_reflection.c

@@ -6271,6 +6271,30 @@ ZEND_METHOD(ReflectionProperty, skipLazyInitialization)
 	}
 }
 
+ZEND_METHOD(ReflectionProperty, isLazy)
+{
+	reflection_object *intern;
+	property_reference *ref;
+	zend_object *object;
+
+	GET_REFLECTION_OBJECT_PTR(ref);
+
+	ZEND_PARSE_PARAMETERS_START(1, 1) {
+		Z_PARAM_OBJ_OF_CLASS(object, intern->ce)
+	} ZEND_PARSE_PARAMETERS_END();
+
+	if (!ref->prop || ref->prop->flags & (ZEND_ACC_STATIC | ZEND_ACC_VIRTUAL)) {
+		RETURN_FALSE;
+	}
+
+	while (zend_object_is_lazy_proxy(object)
+			&& zend_lazy_object_initialized(object)) {
+		object = zend_lazy_object_get_instance(object);
+	}
+
+	RETURN_BOOL(Z_PROP_FLAG_P(OBJ_PROP(object, ref->prop->offset)) & IS_PROP_LAZY);
+}
+
 /* {{{ Returns true if property was initialized */
 ZEND_METHOD(ReflectionProperty, isInitialized)
 {

ext/reflection/php_reflection.stub.php

@@ -502,6 +502,8 @@ public function setRawValueWithoutLazyInitialization(object $object, mixed $valu
 
     public function skipLazyInitialization(object $object): void {}
 
+    public function isLazy(object $object): bool {}
+
     /** @tentative-return-type */
     public function isInitialized(?object $object = null): bool {}