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<?php $type = 'login'; $data = 'wolf'; echo FormValid($data,$type); function FormValid($data,$type){ switch($type){ case 'login': $edit = preg_replace("/[^A-Za-z0-9]/u", "", $data); break; case 'password': $edit = preg_replace("/[^A-Za-z0-9-_.,]/", "", $data); break; } if($data != $edit){ return false; } else{ return $data; }; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A23V8
function name:  (null)
number of ops:  8
compiled vars:  !0 = $type, !1 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'login'
    3     1        ASSIGN                                                   !1, 'wolf'
    4     2        INIT_FCALL_BY_NAME                                       'FormValid'
          3        SEND_VAR_EX                                              !1
          4        SEND_VAR_EX                                              !0
          5        DO_FCALL                                      0  $4      
          6        ECHO                                                     $4
   20     7      > RETURN                                                   1

Function formvalid:
Finding entry points
Branch analysis from position: 0
4 jumps found. (Code = 188) Position 1 = 8, Position 2 = 15, Position 3 = 22, Position 4 = 3
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 43) Position 1 = 24, Position 2 = 26
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 22
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 15
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
Branch analysis from position: 15
Branch analysis from position: 8
filename:       /in/A23V8
function name:  FormValid
number of ops:  28
compiled vars:  !0 = $data, !1 = $type, !2 = $edit
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    6     2      > SWITCH_STRING                                            !1, [ 'login':->8, 'password':->15, ], ->22
    7     3    >   IS_EQUAL                                                 !1, 'login'
          4      > JMPNZ                                                    ~3, ->8
   10     5    >   IS_EQUAL                                                 !1, 'password'
          6      > JMPNZ                                                    ~3, ->15
          7    > > JMP                                                      ->22
    8     8    >   INIT_FCALL                                               'preg_replace'
          9        SEND_VAL                                                 '%2F%5B%5EA-Za-z0-9%5D%2Fu'
         10        SEND_VAL                                                 ''
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                         $4      
         13        ASSIGN                                                   !2, $4
    9    14      > JMP                                                      ->22
   11    15    >   INIT_FCALL                                               'preg_replace'
         16        SEND_VAL                                                 '%2F%5B%5EA-Za-z0-9-_.%2C%5D%2F'
         17        SEND_VAL                                                 ''
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $6      
         20        ASSIGN                                                   !2, $6
   12    21      > JMP                                                      ->22
   14    22    >   IS_NOT_EQUAL                                             !0, !2
         23      > JMPZ                                                     ~8, ->26
   15    24    > > RETURN                                                   <false>
         25*       JMP                                                      ->27
   18    26    > > RETURN                                                   !0
   20    27*     > RETURN                                                   null

End of function formvalid

Generated using Vulcan Logic Dumper, using php 8.0.0


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