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<?php $data = [ 'talk' => [ 'displayname' => 'kesselb' ], //'deck' => [ // 'deadline' => 'asap', //] ]; var_dump(isset($data['deck']['deadline']) ? $data['deck']['deadline'] : 'no deadline'); var_dump($data['deck']['deadline'] ?? 'no deadline');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/J6vOL
function name:  (null)
number of ops:  20
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   12     1        INIT_FCALL                                               'var_dump'
          2        FETCH_DIM_IS                                     ~2      !0, 'deck'
          3        ISSET_ISEMPTY_DIM_OBJ                         0          ~2, 'deadline'
          4      > JMPZ                                                     ~3, ->9
          5    >   FETCH_DIM_R                                      ~4      !0, 'deck'
          6        FETCH_DIM_R                                      ~5      ~4, 'deadline'
          7        QM_ASSIGN                                        ~6      ~5
          8      > JMP                                                      ->10
          9    >   QM_ASSIGN                                        ~6      'no+deadline'
         10    >   SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
   13    12        INIT_FCALL                                               'var_dump'
         13        FETCH_DIM_IS                                     ~8      !0, 'deck'
         14        FETCH_DIM_IS                                     ~9      ~8, 'deadline'
         15        COALESCE                                         ~10     ~9
         16        QM_ASSIGN                                        ~10     'no+deadline'
         17        SEND_VAL                                                 ~10
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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