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<?php $x = NULL; $y = NULL; $z = 3; var_dump($x ?? $y ?? $z); // int(3) $a = false; $b = true; var_dump($a ?? $b); // bool(false)
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eRM6C
function name:  (null)
number of ops:  18
compiled vars:  !0 = $x, !1 = $y, !2 = $z, !3 = $a, !4 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1        ASSIGN                                                   !1, null
    5     2        ASSIGN                                                   !2, 3
    6     3        INIT_FCALL                                               'var_dump'
          4        COALESCE                                         ~8      !0
          5        COALESCE                                         ~9      !1
          6        QM_ASSIGN                                        ~9      !2
          7        QM_ASSIGN                                        ~8      ~9
          8        SEND_VAL                                                 ~8
          9        DO_ICALL                                                 
    8    10        ASSIGN                                                   !3, <false>
    9    11        ASSIGN                                                   !4, <true>
   11    12        INIT_FCALL                                               'var_dump'
         13        COALESCE                                         ~13     !3
         14        QM_ASSIGN                                        ~13     !4
         15        SEND_VAL                                                 ~13
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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