CD2CAD7120B5A09BDEE7D142A421B8996DE5F8365B24A87C8ABAFECE8F3A3B7E
EAB080EB8298EB8BA4EB9DBC2061616161
가나다라 aaaa
array(2) { ["A"]=> string(1) "A" ["B"]=> string(1) "B" } {"A":"A","B":"B"} test
NULL