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<?php $text = "%u0423%u0432%u0430%u0436%u0430%u0435%u043C%u044B%u0435"; //script from http://zizi.kxup.com/ //javascript unesape function unescape($str) { $str = rawurldecode($str); preg_match_all("/(?:%u.{4})|&#x.{4};|&#\d+;|.+/U",$str,$r); $ar = $r[0]; print_r($ar); foreach($ar as $k=>$v) { if(substr($v,0,2) == "%u") $ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,-4))); elseif(substr($v,0,3) == "&#x") $ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,3,-1))); elseif(substr($v,0,2) == "&#") { echo substr($v,2,-1)."<br>"; $ar[$k] = iconv("UCS-2","UTF-8",pack("n",substr($v,2,-1))); } } return join("",$ar); } echo unescape($text) ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/B6vNv
function name:  (null)
number of ops:  6
compiled vars:  !0 = $text
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%25u0423%25u0432%25u0430%25u0436%25u0430%25u0435%25u043C%25u044B%25u0435'
   22     1        INIT_FCALL                                               'unescape'
          2        SEND_VAR                                                 !0
          3        DO_FCALL                                      0  $2      
          4        ECHO                                                     $2
   24     5      > RETURN                                                   1

Function unescape:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 16, Position 2 = 96
Branch analysis from position: 16
2 jumps found. (Code = 78) Position 1 = 17, Position 2 = 96
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 25, Position 2 = 41
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 95
Branch analysis from position: 95
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 41
2 jumps found. (Code = 43) Position 1 = 48, Position 2 = 65
Branch analysis from position: 48
1 jumps found. (Code = 42) Position 1 = 95
Branch analysis from position: 95
Branch analysis from position: 65
2 jumps found. (Code = 43) Position 1 = 72, Position 2 = 95
Branch analysis from position: 72
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 95
Branch analysis from position: 96
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 96
filename:       /in/B6vNv
function name:  unescape
number of ops:  103
compiled vars:  !0 = $str, !1 = $r, !2 = $ar, !3 = $v, !4 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        INIT_FCALL                                               'rawurldecode'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $5      
          4        ASSIGN                                                   !0, $5
    7     5        INIT_FCALL                                               'preg_match_all'
          6        SEND_VAL                                                 '%2F%28%3F%3A%25u.%7B4%7D%29%7C%26%23x.%7B4%7D%3B%7C%26%23%5Cd%2B%3B%7C.%2B%2FU'
          7        SEND_VAR                                                 !0
          8        SEND_REF                                                 !1
          9        DO_ICALL                                                 
    8    10        FETCH_DIM_R                                      ~8      !1, 0
         11        ASSIGN                                                   !2, ~8
    9    12        INIT_FCALL                                               'print_r'
         13        SEND_VAR                                                 !2
         14        DO_ICALL                                                 
   10    15      > FE_RESET_R                                       $11     !2, ->96
         16    > > FE_FETCH_R                                       ~12     $11, !3, ->96
         17    >   ASSIGN                                                   !4, ~12
   11    18        INIT_FCALL                                               'substr'
         19        SEND_VAR                                                 !3
         20        SEND_VAL                                                 0
         21        SEND_VAL                                                 2
         22        DO_ICALL                                         $14     
         23        IS_EQUAL                                                 $14, '%25u'
         24      > JMPZ                                                     ~15, ->41
   12    25    >   INIT_FCALL_BY_NAME                                       'iconv'
         26        SEND_VAL_EX                                              'UCS-2'
         27        SEND_VAL_EX                                              'UTF-8'
         28        INIT_FCALL                                               'pack'
         29        SEND_VAL                                                 'H4'
         30        INIT_FCALL                                               'substr'
         31        SEND_VAR                                                 !3
         32        SEND_VAL                                                 -4
         33        DO_ICALL                                         $17     
         34        SEND_VAR                                                 $17
         35        DO_ICALL                                         $18     
         36        SEND_VAR_NO_REF_EX                                       $18
         37        DO_FCALL                                      0  $19     
         38        ASSIGN_DIM                                               !2, !4
         39        OP_DATA                                                  $19
         40      > JMP                                                      ->95
   13    41    >   INIT_FCALL                                               'substr'
         42        SEND_VAR                                                 !3
         43        SEND_VAL                                                 0
         44        SEND_VAL                                                 3
         45        DO_ICALL                                         $20     
         46        IS_EQUAL                                                 $20, '%26%23x'
         47      > JMPZ                                                     ~21, ->65
   14    48    >   INIT_FCALL_BY_NAME                                       'iconv'
         49        SEND_VAL_EX                                              'UCS-2'
         50        SEND_VAL_EX                                              'UTF-8'
         51        INIT_FCALL                                               'pack'
         52        SEND_VAL                                                 'H4'
         53        INIT_FCALL                                               'substr'
         54        SEND_VAR                                                 !3
         55        SEND_VAL                                                 3
         56        SEND_VAL                                                 -1
         57        DO_ICALL                                         $23     
         58        SEND_VAR                                                 $23
         59        DO_ICALL                                         $24     
         60        SEND_VAR_NO_REF_EX                                       $24
         61        DO_FCALL                                      0  $25     
         62        ASSIGN_DIM                                               !2, !4
         63        OP_DATA                                                  $25
         64      > JMP                                                      ->95
   15    65    >   INIT_FCALL                                               'substr'
         66        SEND_VAR                                                 !3
         67        SEND_VAL                                                 0
         68        SEND_VAL                                                 2
         69        DO_ICALL                                         $26     
         70        IS_EQUAL                                                 $26, '%26%23'
         71      > JMPZ                                                     ~27, ->95
   16    72    >   INIT_FCALL                                               'substr'
         73        SEND_VAR                                                 !3
         74        SEND_VAL                                                 2
         75        SEND_VAL                                                 -1
         76        DO_ICALL                                         $28     
         77        CONCAT                                           ~29     $28, '%3Cbr%3E'
         78        ECHO                                                     ~29
   17    79        INIT_FCALL_BY_NAME                                       'iconv'
         80        SEND_VAL_EX                                              'UCS-2'
         81        SEND_VAL_EX                                              'UTF-8'
         82        INIT_FCALL                                               'pack'
         83        SEND_VAL                                                 'n'
         84        INIT_FCALL                                               'substr'
         85        SEND_VAR                                                 !3
         86        SEND_VAL                                                 2
         87        SEND_VAL                                                 -1
         88        DO_ICALL                                         $31     
         89        SEND_VAR                                                 $31
         90        DO_ICALL                                         $32     
         91        SEND_VAR_NO_REF_EX                                       $32
         92        DO_FCALL                                      0  $33     
         93        ASSIGN_DIM                                               !2, !4
         94        OP_DATA                                                  $33
   10    95    > > JMP                                                      ->16
         96    >   FE_FREE                                                  $11
   20    97        INIT_FCALL                                               'join'
         98        SEND_VAL                                                 ''
         99        SEND_VAR                                                 !2
        100        DO_ICALL                                         $34     
        101      > RETURN                                                   $34
   21   102*     > RETURN                                                   null

End of function unescape

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
205.72 ms | 1406 KiB | 29 Q