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<?php $a = 1; $b = 2; $c = 3; echo $a ?: $b ?: $c; $a = null; echo $a ?: $b ?: $c; $b = null; echo $a ?: $b ?: $c;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TB3mk
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 1
    4     1        ASSIGN                                                   !1, 2
    5     2        ASSIGN                                                   !2, 3
    7     3        JMP_SET                                          ~6      !0, ->5
          4        QM_ASSIGN                                        ~6      !1
          5        JMP_SET                                          ~7      ~6, ->7
          6        QM_ASSIGN                                        ~7      !2
          7        ECHO                                                     ~7
    9     8        ASSIGN                                                   !0, null
   11     9        JMP_SET                                          ~9      !0, ->11
         10        QM_ASSIGN                                        ~9      !1
         11        JMP_SET                                          ~10     ~9, ->13
         12        QM_ASSIGN                                        ~10     !2
         13        ECHO                                                     ~10
   13    14        ASSIGN                                                   !1, null
   15    15        JMP_SET                                          ~12     !0, ->17
         16        QM_ASSIGN                                        ~12     !1
         17        JMP_SET                                          ~13     ~12, ->19
         18        QM_ASSIGN                                        ~13     !2
         19        ECHO                                                     ~13
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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