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<?php $code = "03255000000"; $len = strlen($code); $i = 0; $r = 1; $sum = 0; do { $r = ($i+1); $sum += ($code[$i]*$r); echo $code[$i]." * $r = $sum\n"; $i++; }while($i < $len); echo (string)($sum%11); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 22, Position 2 = 6
Branch analysis from position: 22
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/AX0SU
function name:  (null)
number of ops:  26
compiled vars:  !0 = $code, !1 = $len, !2 = $i, !3 = $r, !4 = $sum
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '03255000000'
    3     1        STRLEN                                           ~6      !0
          2        ASSIGN                                                   !1, ~6
    4     3        ASSIGN                                                   !2, 0
    5     4        ASSIGN                                                   !3, 1
    6     5        ASSIGN                                                   !4, 0
    9     6    >   ADD                                              ~11     !2, 1
          7        ASSIGN                                                   !3, ~11
   10     8        FETCH_DIM_R                                      ~13     !0, !2
          9        MUL                                              ~14     !3, ~13
         10        ASSIGN_OP                                     1          !4, ~14
   11    11        FETCH_DIM_R                                      ~16     !0, !2
         12        ROPE_INIT                                     5  ~18     '+%2A+'
         13        ROPE_ADD                                      1  ~18     ~18, !3
         14        ROPE_ADD                                      2  ~18     ~18, '+%3D+'
         15        ROPE_ADD                                      3  ~18     ~18, !4
         16        ROPE_END                                      4  ~17     ~18, '%0A'
         17        CONCAT                                           ~21     ~16, ~17
         18        ECHO                                                     ~21
   13    19        PRE_INC                                                  !2
   14    20        IS_SMALLER                                               !2, !1
         21      > JMPNZ                                                    ~23, ->6
   15    22    >   MOD                                              ~24     !4, 11
         23        CAST                                          6  ~25     ~24
         24        ECHO                                                     ~25
   17    25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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