message: swoole serialize modify phpt
diff: @@ -67,5 +67,20 @@ array(2) {
  }
  OK
  cyclic
  -bool(false)
  +array(1) {
  + [0]=>
  + array(1) {
  + [0]=>
  + array(1) {
  + [0]=>
  + array(1) {
  + [0]=>
  + array(1) {
  + [0]=>
  + NULL
  + }
  + }
  + }
  + }
  +}
  OK
  \ No newline at end of file
  