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<?php echo json_encode("äöü")."----".json_decode("\u00e4\u00f6\u00fc")."----".json_decode(json_encode("äöü"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aPQUh
function name:  (null)
number of ops:  18
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'json_encode'
          1        SEND_VAL                                                 '%C3%A4%C3%B6%C3%BC'
          2        DO_ICALL                                         $0      
          3        CONCAT                                           ~1      $0, '----'
          4        INIT_FCALL                                               'json_decode'
          5        SEND_VAL                                                 '%5Cu00e4%5Cu00f6%5Cu00fc'
          6        DO_ICALL                                         $2      
          7        CONCAT                                           ~3      ~1, $2
          8        CONCAT                                           ~4      ~3, '----'
          9        INIT_FCALL                                               'json_decode'
         10        INIT_FCALL                                               'json_encode'
         11        SEND_VAL                                                 '%C3%A4%C3%B6%C3%BC'
         12        DO_ICALL                                         $5      
         13        SEND_VAR                                                 $5
         14        DO_ICALL                                         $6      
         15        CONCAT                                           ~7      ~4, $6
         16        ECHO                                                     ~7
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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