gc_collect_white 754 Zend/zend_gc.c count += gc_collect_white(ref, flags, additional_buffer); gc_collect_white 816 Zend/zend_gc.c count += gc_collect_white(ref, flags, additional_buffer); gc_collect_white 853 Zend/zend_gc.c count += gc_collect_white(current->ref, flags, additional_buffer);