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<?php $a = ['teste' => 'teste']; $key = null; var_dump($a[$key] ?? ($key === null ? $a : null));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
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/rfcKk
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, null
    5     2        INIT_FCALL                                               'var_dump'
          3        FETCH_DIM_IS                                     ~4      !0, !1
          4        COALESCE                                         ~5      ~4
          5        TYPE_CHECK                                    2          !1
          6      > JMPZ                                                     ~6, ->9
          7    >   QM_ASSIGN                                        ~7      !0
          8      > JMP                                                      ->10
          9    >   QM_ASSIGN                                        ~7      null
         10    >   QM_ASSIGN                                        ~5      ~7
         11        SEND_VAL                                                 ~5
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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