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<?php $_GET['pieces'] = [39, 32, 79, 82, 32, 49, 61, 49, 59, 45, 45]; $prefix = "SELECT * FROM table WHERE column = '"; $suffix = "' OR column_2 = 12345"; $middle = ''; foreach ($_GET['pieces'] as $piece) { $middle .= chr($piece); } $combined = $prefix . $middle . $suffix; var_dump( is_trusted($prefix), is_trusted($middle), is_trusted($suffix), is_trusted($combined), $combined );
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 9, Position 2 = 15
Branch analysis from position: 9
2 jumps found. (Code = 78) Position 1 = 10, Position 2 = 15
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/4GM8Q
function name:  (null)
number of ops:  39
compiled vars:  !0 = $prefix, !1 = $suffix, !2 = $middle, !3 = $piece, !4 = $combined
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_W                      global              $5      '_GET'
          1        ASSIGN_DIM                                               $5, 'pieces'
          2        OP_DATA                                                  <array>
    4     3        ASSIGN                                                   !0, 'SELECT+%2A+FROM+table+WHERE+column+%3D+%27'
    5     4        ASSIGN                                                   !1, '%27+OR+column_2+%3D+12345'
    7     5        ASSIGN                                                   !2, ''
    8     6        FETCH_R                      global              ~10     '_GET'
          7        FETCH_DIM_R                                      ~11     ~10, 'pieces'
          8      > FE_RESET_R                                       $12     ~11, ->15
          9    > > FE_FETCH_R                                               $12, !3, ->15
    9    10    >   INIT_FCALL                                               'chr'
         11        SEND_VAR                                                 !3
         12        DO_ICALL                                         $13     
         13        ASSIGN_OP                                     8          !2, $13
    8    14      > JMP                                                      ->9
         15    >   FE_FREE                                                  $12
   11    16        CONCAT                                           ~15     !0, !2
         17        CONCAT                                           ~16     ~15, !1
         18        ASSIGN                                                   !4, ~16
   12    19        INIT_FCALL                                               'var_dump'
   13    20        INIT_FCALL_BY_NAME                                       'is_trusted'
         21        SEND_VAR_EX                                              !0
         22        DO_FCALL                                      0  $18     
         23        SEND_VAR                                                 $18
   14    24        INIT_FCALL_BY_NAME                                       'is_trusted'
         25        SEND_VAR_EX                                              !2
         26        DO_FCALL                                      0  $19     
         27        SEND_VAR                                                 $19
   15    28        INIT_FCALL_BY_NAME                                       'is_trusted'
         29        SEND_VAR_EX                                              !1
         30        DO_FCALL                                      0  $20     
         31        SEND_VAR                                                 $20
   16    32        INIT_FCALL_BY_NAME                                       'is_trusted'
         33        SEND_VAR_EX                                              !4
         34        DO_FCALL                                      0  $21     
         35        SEND_VAR                                                 $21
   17    36        SEND_VAR                                                 !4
         37        DO_ICALL                                                 
   18    38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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