Improve virtual property error message

Co-authored-by: Ilija Tovilo <ilija.tovilo@me.com>

Author: nielsdos

Zend/tests/property_hooks/unserialize.phpt

@@ -54,7 +54,7 @@ object(Test)#2 (1) {
 Test::$prop3::get
 Test::$prop3::set
 
-Warning: unserialize(): Cannot unserialize value for hooked property Test::$prop3 in %s on line %d
+Warning: unserialize(): Cannot unserialize value for virtual property Test::$prop3 in %s on line %d
 
 Warning: unserialize(): Error at offset 26 of 32 bytes in %s on line %d
 bool(false)

ext/standard/var_unserializer.re

@@ -561,7 +561,7 @@ static int is_property_visibility_changed(zend_class_entry *ce, zval *key)
 				return 1;
 			} else {
 				php_error_docref(NULL, E_WARNING,
-					"Cannot unserialize value for hooked property %s::$%s",
+					"Cannot unserialize value for virtual property %s::$%s",
 					ZSTR_VAL(existing_propinfo->ce->name), Z_STRVAL_P(key));
 				zval_ptr_dtor_str(key);
 				return -1;