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<?php function escape_input($input) { return str_replace("'", "''", $input); } $a = "\' OR 1 = 1 --"; $b=CONCAT(CHAR(39),CHAR(32),CHAR(111),CHAR(114),CHAR(32),CHAR(39),CHAR(49),CHAR(39),CHAR(61),CHAR(39),CHAR(49)); echo $b; echo "\n"; echo escape_input($a); echo "\n"; //$b = chr(0x27)."admin'--"; //echo escape_input($b); echo addslashes($b); echo "\n"; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0arrB
function name:  (null)
number of ops:  61
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, '%5C%27+OR+1+%3D+1+--'
    6     1        INIT_FCALL_BY_NAME                                       'CONCAT'
          2        INIT_FCALL_BY_NAME                                       'CHAR'
          3        SEND_VAL_EX                                              39
          4        DO_FCALL                                      0  $3      
          5        SEND_VAR_NO_REF_EX                                       $3
          6        INIT_FCALL_BY_NAME                                       'CHAR'
          7        SEND_VAL_EX                                              32
          8        DO_FCALL                                      0  $4      
          9        SEND_VAR_NO_REF_EX                                       $4
         10        INIT_FCALL_BY_NAME                                       'CHAR'
         11        SEND_VAL_EX                                              111
         12        DO_FCALL                                      0  $5      
         13        SEND_VAR_NO_REF_EX                                       $5
         14        INIT_FCALL_BY_NAME                                       'CHAR'
         15        SEND_VAL_EX                                              114
         16        DO_FCALL                                      0  $6      
         17        SEND_VAR_NO_REF_EX                                       $6
         18        INIT_FCALL_BY_NAME                                       'CHAR'
         19        SEND_VAL_EX                                              32
         20        DO_FCALL                                      0  $7      
         21        SEND_VAR_NO_REF_EX                                       $7
         22        INIT_FCALL_BY_NAME                                       'CHAR'
         23        SEND_VAL_EX                                              39
         24        DO_FCALL                                      0  $8      
         25        SEND_VAR_NO_REF_EX                                       $8
         26        INIT_FCALL_BY_NAME                                       'CHAR'
         27        SEND_VAL_EX                                              49
         28        DO_FCALL                                      0  $9      
         29        SEND_VAR_NO_REF_EX                                       $9
         30        INIT_FCALL_BY_NAME                                       'CHAR'
         31        SEND_VAL_EX                                              39
         32        DO_FCALL                                      0  $10     
         33        SEND_VAR_NO_REF_EX                                       $10
         34        INIT_FCALL_BY_NAME                                       'CHAR'
         35        SEND_VAL_EX                                              61
         36        DO_FCALL                                      0  $11     
         37        SEND_VAR_NO_REF_EX                                       $11
         38        INIT_FCALL_BY_NAME                                       'CHAR'
         39        SEND_VAL_EX                                              39
         40        DO_FCALL                                      0  $12     
         41        SEND_VAR_NO_REF_EX                                       $12
         42        INIT_FCALL_BY_NAME                                       'CHAR'
         43        SEND_VAL_EX                                              49
         44        DO_FCALL                                      0  $13     
         45        SEND_VAR_NO_REF_EX                                       $13
         46        DO_FCALL                                      0  $14     
         47        ASSIGN                                                   !1, $14
    7    48        ECHO                                                     !1
    8    49        ECHO                                                     '%0A'
    9    50        INIT_FCALL                                               'escape_input'
         51        SEND_VAR                                                 !0
         52        DO_FCALL                                      0  $16     
         53        ECHO                                                     $16
   10    54        ECHO                                                     '%0A'
   13    55        INIT_FCALL                                               'addslashes'
         56        SEND_VAR                                                 !1
         57        DO_ICALL                                         $17     
         58        ECHO                                                     $17
   14    59        ECHO                                                     '%0A'
   17    60      > RETURN                                                   1

Function escape_input:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0arrB
function name:  escape_input
number of ops:  8
compiled vars:  !0 = $input
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        INIT_FCALL                                               'str_replace'
          2        SEND_VAL                                                 '%27'
          3        SEND_VAL                                                 '%27%27'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $1      
          6      > RETURN                                                   $1
    4     7*     > RETURN                                                   null

End of function escape_input

Generated using Vulcan Logic Dumper, using php 8.0.0


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