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<?php $a=array(); $a[-2]='a'; $a[-1]='b'; $a[0] ='c'; $a[ 1]='d'; $obj=(object)$a; var_dump($obj); echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; echo $obj->{'-2'}.', '.$obj->{'0'}.', '.$obj->{'1'}."\n"; $b =(array)$obj; echo $b[-2].', '.$b[0].', '.$b[1]."\n"; $obj=unserialize(serialize($obj)); echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/656OO
function name:  (null)
number of ops:  60
compiled vars:  !0 = $a, !1 = $obj, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN_DIM                                               !0, -2
          2        OP_DATA                                                  'a'
    4     3        ASSIGN_DIM                                               !0, -1
          4        OP_DATA                                                  'b'
    5     5        ASSIGN_DIM                                               !0, 0
          6        OP_DATA                                                  'c'
    6     7        ASSIGN_DIM                                               !0, 1
          8        OP_DATA                                                  'd'
    8     9        CAST                                          8  ~8      !0
         10        ASSIGN                                                   !1, ~8
    9    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
   10    14        FETCH_OBJ_R                                      ~11     !1, '-2'
         15        CONCAT                                           ~12     ~11, '%2C+'
         16        FETCH_OBJ_R                                      ~13     !1, '0'
         17        CONCAT                                           ~14     ~12, ~13
         18        CONCAT                                           ~15     ~14, '%2C+'
         19        FETCH_OBJ_R                                      ~16     !1, '1'
         20        CONCAT                                           ~17     ~15, ~16
         21        CONCAT                                           ~18     ~17, '%0A'
         22        ECHO                                                     ~18
   11    23        FETCH_OBJ_R                                      ~19     !1, '-2'
         24        CONCAT                                           ~20     ~19, '%2C+'
         25        FETCH_OBJ_R                                      ~21     !1, '0'
         26        CONCAT                                           ~22     ~20, ~21
         27        CONCAT                                           ~23     ~22, '%2C+'
         28        FETCH_OBJ_R                                      ~24     !1, '1'
         29        CONCAT                                           ~25     ~23, ~24
         30        CONCAT                                           ~26     ~25, '%0A'
         31        ECHO                                                     ~26
   12    32        CAST                                          7  ~27     !1
         33        ASSIGN                                                   !2, ~27
   13    34        FETCH_DIM_R                                      ~29     !2, -2
         35        CONCAT                                           ~30     ~29, '%2C+'
         36        FETCH_DIM_R                                      ~31     !2, 0
         37        CONCAT                                           ~32     ~30, ~31
         38        CONCAT                                           ~33     ~32, '%2C+'
         39        FETCH_DIM_R                                      ~34     !2, 1
         40        CONCAT                                           ~35     ~33, ~34
         41        CONCAT                                           ~36     ~35, '%0A'
         42        ECHO                                                     ~36
   15    43        INIT_FCALL                                               'unserialize'
         44        INIT_FCALL                                               'serialize'
         45        SEND_VAR                                                 !1
         46        DO_ICALL                                         $37     
         47        SEND_VAR                                                 $37
         48        DO_ICALL                                         $38     
         49        ASSIGN                                                   !1, $38
   16    50        FETCH_OBJ_R                                      ~40     !1, '-2'
         51        CONCAT                                           ~41     ~40, '%2C+'
         52        FETCH_OBJ_R                                      ~42     !1, '0'
         53        CONCAT                                           ~43     ~41, ~42
         54        CONCAT                                           ~44     ~43, '%2C+'
         55        FETCH_OBJ_R                                      ~45     !1, '1'
         56        CONCAT                                           ~46     ~44, ~45
         57        CONCAT                                           ~47     ~46, '%0A'
         58        ECHO                                                     ~47
   18    59      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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