--TEST-- Test json_encode() function : basic functionality with UTF8 string input --FILE-- --EXPECT-- *** Testing json_encode() : basic functionality with UTF-8 input*** string(103) ""\u65e5\u672c\u8a9e\u30c6\u30ad\u30b9\u30c8\u3067\u3059\u300201234\uff15\uff16\uff17\uff18\uff19\u3002""