1--TEST-- 2Bug #68644 strlen incorrect : mbstring + func_overload=2 + UTF-8 + Opcache 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6mbstring.func_overload=2 7--SKIPIF-- 8<?php if (!extension_loaded('Zend OPcache') || !extension_loaded("mbstring")) die("skip"); ?> 9--FILE-- 10<?php 11var_dump(strlen("中国, 北京")); 12var_dump(mb_strlen("中国, 北京")); 13?> 14--EXPECT-- 15Deprecated: The mbstring.func_overload directive is deprecated in Unknown on line 0 16int(6) 17int(6) 18