Clear cache slots

Author: nielsdos

ext/date/php_date.c

@@ -4399,6 +4399,7 @@ static zval *date_interval_get_property_ptr_ptr(zend_object *object, zend_string
 		zend_string_equals_literal(name, "days") ||
 		zend_string_equals_literal(name, "invert") ) {
 		/* Fallback to read_property. */
+		cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
 		ret = NULL;
 	} else {
 		ret = zend_std_get_property_ptr_ptr(object, name, type, cache_slot);

ext/dom/php_dom.c

@@ -303,6 +303,7 @@ static zval *dom_get_property_ptr_ptr(zend_object *object, zend_string *name, in
 		return zend_std_get_property_ptr_ptr(object, name, type, cache_slot);
 	}
 
+	cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
 	return NULL;
 }
 

ext/pdo/pdo_stmt.c

@@ -2495,6 +2495,7 @@ static zval *pdo_row_get_property_ptr_ptr(zend_object *object, zend_string *name
 	ZEND_IGNORE_VALUE(type);
 	ZEND_IGNORE_VALUE(cache_slot);
 
+	cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
 	return NULL;
 }
 

ext/simplexml/simplexml.c

@@ -635,6 +635,8 @@ static zval *sxe_property_get_adr(zend_object *object, zend_string *zname, int f
 	SXE_ITER        type;
 	zval            member;
 
+	cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
+
 	sxe = php_sxe_fetch_object(object);
 	GET_NODE(sxe, node);
 	if (UNEXPECTED(!node)) {

ext/simplexml/tests/gh17736.phpt

@@ -4,7 +4,7 @@ GH-17736 (Assertion failure zend_reference_destroy())
 simplexml
 --FILE--
 <?php
-$o1 = new SimpleXMlElement('<a/>');
+$o1 = new SimpleXMLElement('<a/>');
 class C {
     public int $a = 1;
 }

ext/snmp/snmp.c

@@ -1861,6 +1861,7 @@ static zval *php_snmp_get_property_ptr_ptr(zend_object *object, zend_string *nam
 		return zend_std_get_property_ptr_ptr(object, name, type, cache_slot);
 	}
 
+	cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
 	return NULL;
 }
 

ext/spl/spl_array.c

@@ -844,6 +844,8 @@ static zval *spl_array_get_property_ptr_ptr(zend_object *object, zend_string *na
 
 	if ((intern->ar_flags & SPL_ARRAY_ARRAY_AS_PROPS) != 0
 		&& !zend_std_has_property(object, name, ZEND_PROPERTY_EXISTS, NULL)) {
+		cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
+
 		/* If object has offsetGet() overridden, then fallback to read_property,
 		 * which will call offsetGet(). */
 		zval member;

ext/xmlreader/php_xmlreader.c

@@ -121,6 +121,8 @@ zval *xmlreader_get_property_ptr_ptr(zend_object *object, zend_string *name, int
 	zval *retval = NULL;
 	xmlreader_prop_handler *hnd = NULL;
 
+	cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
+
 	obj = php_xmlreader_fetch_object(object);
 
 	if (obj->prop_handler != NULL) {

ext/zip/php_zip.c

@@ -890,6 +890,8 @@ static zval *php_zip_get_property_ptr_ptr(zend_object *object, zend_string *name
 	zval *retval = NULL;
 	zip_prop_handler *hnd = NULL;
 
+	cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
+
 	obj = php_zip_fetch_object(object);
 
 	if (obj->prop_handler != NULL) {