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<?php $a = ['bar' => '42']; var_dump($a['foo'] ?? 42); var_dump($a['bar'] ?? 42); var_dump((int) $a['foo'] ?? 42); var_dump((int) $a['bar'] ?? 42); var_dump((int)($a['foo'] ?? 42)); var_dump((int)($a['bar'] ?? 42));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/orugt
function name:  (null)
number of ops:  42
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'var_dump'
          2        FETCH_DIM_IS                                     ~2      !0, 'foo'
          3        COALESCE                                         ~3      ~2
          4        QM_ASSIGN                                        ~3      42
          5        SEND_VAL                                                 ~3
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        FETCH_DIM_IS                                     ~5      !0, 'bar'
          9        COALESCE                                         ~6      ~5
         10        QM_ASSIGN                                        ~6      42
         11        SEND_VAL                                                 ~6
         12        DO_ICALL                                                 
    5    13        INIT_FCALL                                               'var_dump'
         14        FETCH_DIM_R                                      ~8      !0, 'foo'
         15        CAST                                          4  ~9      ~8
         16        COALESCE                                         ~10     ~9
         17        QM_ASSIGN                                        ~10     42
         18        SEND_VAL                                                 ~10
         19        DO_ICALL                                                 
    6    20        INIT_FCALL                                               'var_dump'
         21        FETCH_DIM_R                                      ~12     !0, 'bar'
         22        CAST                                          4  ~13     ~12
         23        COALESCE                                         ~14     ~13
         24        QM_ASSIGN                                        ~14     42
         25        SEND_VAL                                                 ~14
         26        DO_ICALL                                                 
    7    27        INIT_FCALL                                               'var_dump'
         28        FETCH_DIM_IS                                     ~16     !0, 'foo'
         29        COALESCE                                         ~17     ~16
         30        QM_ASSIGN                                        ~17     42
         31        CAST                                          4  ~18     ~17
         32        SEND_VAL                                                 ~18
         33        DO_ICALL                                                 
    8    34        INIT_FCALL                                               'var_dump'
         35        FETCH_DIM_IS                                     ~20     !0, 'bar'
         36        COALESCE                                         ~21     ~20
         37        QM_ASSIGN                                        ~21     42
         38        CAST                                          4  ~22     ~21
         39        SEND_VAL                                                 ~22
         40        DO_ICALL                                                 
         41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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