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<?php $a = ['teste' => 'teste']; $key = 'teste'; var_dump($a[$key] ?? $key === null ? $a : null);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Bf8Dv
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, 'teste'
    5     2        INIT_FCALL                                               'var_dump'
          3        FETCH_DIM_IS                                     ~4      !0, !1
          4        COALESCE                                         ~5      ~4
          5        TYPE_CHECK                                    2  ~6      !1
          6        QM_ASSIGN                                        ~5      ~6
          7      > JMPZ                                                     ~5, ->10
          8    >   QM_ASSIGN                                        ~7      !0
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~7      null
         11    >   SEND_VAL                                                 ~7
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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