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<?php $value = 5; $false = false; $empty = ''; $null = null; echo $null ?? $value; echo $notSet ?? null ?? $value; echo $null ?? 0 ?? $value; var_dump($false ?? $value); var_dump($empty ?? $value);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pMIdu
function name:  (null)
number of ops:  28
compiled vars:  !0 = $value, !1 = $false, !2 = $empty, !3 = $null, !4 = $notSet
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    4     1        ASSIGN                                                   !1, <false>
    5     2        ASSIGN                                                   !2, ''
    6     3        ASSIGN                                                   !3, null
    8     4        COALESCE                                         ~9      !3
          5        QM_ASSIGN                                        ~9      !0
          6        ECHO                                                     ~9
    9     7        COALESCE                                         ~10     !4
          8        COALESCE                                         ~11     null
          9        QM_ASSIGN                                        ~11     !0
         10        QM_ASSIGN                                        ~10     ~11
         11        ECHO                                                     ~10
   10    12        COALESCE                                         ~12     !3
         13        COALESCE                                         ~13     0
         14        QM_ASSIGN                                        ~13     !0
         15        QM_ASSIGN                                        ~12     ~13
         16        ECHO                                                     ~12
   11    17        INIT_FCALL                                               'var_dump'
         18        COALESCE                                         ~14     !1
         19        QM_ASSIGN                                        ~14     !0
         20        SEND_VAL                                                 ~14
         21        DO_ICALL                                                 
   12    22        INIT_FCALL                                               'var_dump'
         23        COALESCE                                         ~16     !2
         24        QM_ASSIGN                                        ~16     !0
         25        SEND_VAL                                                 ~16
         26        DO_ICALL                                                 
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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