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<?php date_default_timezone_set('America/Dallas'); $d=new DateTime(); $d = (array)$d; $d['test']=3; var_dump(json_encode($d));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/s9tLH
function name:  (null)
number of ops:  17
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'America%2FDallas'
          2        DO_ICALL                                                 
    4     3        NEW                                              $2      'DateTime'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !0, $2
    5     6        CAST                                          7  ~5      !0
          7        ASSIGN                                                   !0, ~5
    6     8        ASSIGN_DIM                                               !0, 'test'
          9        OP_DATA                                                  3
    8    10        INIT_FCALL                                               'var_dump'
         11        INIT_FCALL                                               'json_encode'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $8      
         14        SEND_VAR                                                 $8
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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