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<?php var_dump([json_encode(json_decode( '{}', false )), json_encode(array())]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/T4fKB
function name:  (null)
number of ops:  16
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'json_encode'
          2        INIT_FCALL                                                   'json_decode'
          3        SEND_VAL                                                     '%7B%7D'
          4        SEND_VAL                                                     <false>
          5        DO_ICALL                                             $0      
          6        SEND_VAR                                                     $0
          7        DO_ICALL                                             $1      
          8        INIT_ARRAY                                           ~2      $1
          9        INIT_FCALL                                                   'json_encode'
         10        SEND_VAL                                                     <array>
         11        DO_ICALL                                             $3      
         12        ADD_ARRAY_ELEMENT                                    ~2      $3
         13        SEND_VAL                                                     ~2
         14        DO_ICALL                                                     
         15      > RETURN                                                       1

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