Merge branch 'PHP-8.0'

* PHP-8.0:
  Fix bug #66719

Author: nikic

Zend/tests/bug66719.phpt

@@ -0,0 +1,43 @@
+--TEST--
+Bug #66719: Weird behaviour when using get_called_class() with call_user_func()
+--FILE--
+<?php
+
+class A
+{
+    public static function who()
+    {
+        var_dump(get_called_class());
+    }
+}
+class B extends A
+{
+    public static function who()
+    {
+        parent::who();
+    }
+}
+
+class C
+{
+    public static function test() {
+        B::who();
+        call_user_func(array(A::class, 'who'));
+        call_user_func(array(B::class, 'parent::who'));
+    }
+}
+
+B::who();
+call_user_func(array(A::class, 'who'));
+call_user_func(array(B::class, 'parent::who'));
+
+C::test();
+
+?>
+--EXPECT--
+string(1) "B"
+string(1) "A"
+string(1) "A"
+string(1) "B"
+string(1) "A"
+string(1) "A"

Zend/zend_API.c

@@ -3326,6 +3326,9 @@ static bool zend_is_callable_check_class(zend_string *name, zend_class_entry *sc
 			if (error) *error = estrdup("cannot access \"self\" when no class scope is active");
 		} else {
 			fcc->called_scope = zend_get_called_scope(frame);
+			if (!fcc->called_scope || !instanceof_function(fcc->called_scope, scope)) {
+				fcc->called_scope = scope;
+			}
 			fcc->calling_scope = scope;
 			if (!fcc->object) {
 				fcc->object = zend_get_this_object(frame);
@@ -3339,6 +3342,9 @@ static bool zend_is_callable_check_class(zend_string *name, zend_class_entry *sc
 			if (error) *error = estrdup("cannot access \"parent\" when current class scope has no parent");
 		} else {
 			fcc->called_scope = zend_get_called_scope(frame);
+			if (!fcc->called_scope || !instanceof_function(fcc->called_scope, scope->parent)) {
+				fcc->called_scope = scope->parent;
+			}
 			fcc->calling_scope = scope->parent;
 			if (!fcc->object) {
 				fcc->object = zend_get_this_object(frame);