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<?php { $a = 5; echo ++$a.$a++; } echo "\n"; { $a = 5; $b = &$a; echo ++$a.$b++; } echo "\n"; { $a = 5; echo ++$a.$a++; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VQBj7
function name:  (null)
number of ops:  19
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 5
    5     1        PRE_INC                                          ~3      !0
          2        POST_INC                                         ~4      !0
          3        CONCAT                                           ~5      ~3, ~4
          4        ECHO                                                     ~5
    8     5        ECHO                                                     '%0A'
   11     6        ASSIGN                                                   !0, 5
   12     7        ASSIGN_REF                                               !1, !0
   13     8        PRE_INC                                          ~8      !0
          9        POST_INC                                         ~9      !1
         10        CONCAT                                           ~10     ~8, ~9
         11        ECHO                                                     ~10
   16    12        ECHO                                                     '%0A'
   19    13        ASSIGN                                                   !0, 5
   20    14        PRE_INC                                          ~12     !0
         15        POST_INC                                         ~13     !0
         16        CONCAT                                           ~14     ~12, ~13
         17        ECHO                                                     ~14
   21    18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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