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<?php $a = array('a' => 1, 'b' => 2, 'c' => 3); $b = array('a' => 1, 'b' => 2); $c = @$b['c'] ?: @$a['c']; var_dump($c);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ccVbi
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    6     2        BEGIN_SILENCE                                    ~5      
          3        FETCH_DIM_R                                      ~6      !1, 'c'
          4        END_SILENCE                                              ~5
          5        JMP_SET                                          ~7      ~6, ->10
          6        BEGIN_SILENCE                                    ~8      
          7        FETCH_DIM_R                                      ~9      !0, 'c'
          8        END_SILENCE                                              ~8
          9        QM_ASSIGN                                        ~7      ~9
         10        ASSIGN                                                   !2, ~7
    8    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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