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<?php function base64UrlDecode($input) { return base64_decode(strtr($input, '-_', '+/')); } $signed_request = 'rs25bODttOJd3JIA8EW7xSA-wDNJGVBqallNSqftfxA.eyJpbnN0YW5jZUlkIjoiMTJlODMwNzAtNmRhNy0yNjU1LWVhNTktODc0MWZjYmQ1MWFkIiwic2lnbkRhdGUiOiIyMDE0LTAyLTA2VDAxOjE0OjI4LjMwNC0wNjowMCIsInVpZCI6IjBhNGZiZjFhLTRkNDMtNDU1ZC1iMzk5LTFkOTA0MTgyZWZjMiIsInBlcm1pc3Npb25zIjoiT1dORVIiLCJpcEFuZFBvcnQiOiIyMTIuMjkuMTkyLjE0LzY1Mjg1IiwidmVuZG9yUHJvZHVjdElkIjoiIiwiZGVtb01vZGUiOmZhbHNlfQ'; list($encoded_sig, $payload) = explode('.', $signed_request, 2); $sig = $this->base64UrlDecode($encoded_sig); $data = json_decode(base64UrlDecode($payload), true); echo $data;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AuPko
function name:  (null)
number of ops:  26
compiled vars:  !0 = $signed_request, !1 = $encoded_sig, !2 = $payload, !3 = $sig, !4 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, 'rs25bODttOJd3JIA8EW7xSA-wDNJGVBqallNSqftfxA.eyJpbnN0YW5jZUlkIjoiMTJlODMwNzAtNmRhNy0yNjU1LWVhNTktODc0MWZjYmQ1MWFkIiwic2lnbkRhdGUiOiIyMDE0LTAyLTA2VDAxOjE0OjI4LjMwNC0wNjowMCIsInVpZCI6IjBhNGZiZjFhLTRkNDMtNDU1ZC1iMzk5LTFkOTA0MTgyZWZjMiIsInBlcm1pc3Npb25zIjoiT1dORVIiLCJpcEFuZFBvcnQiOiIyMTIuMjkuMTkyLjE0LzY1Mjg1IiwidmVuZG9yUHJvZHVjdElkIjoiIiwiZGVtb01vZGUiOmZhbHNlfQ'
    8     1        INIT_FCALL                                               'explode'
          2        SEND_VAL                                                 '.'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 2
          5        DO_ICALL                                         $6      
          6        FETCH_LIST_R                                     $7      $6, 0
          7        ASSIGN                                                   !1, $7
          8        FETCH_LIST_R                                     $9      $6, 1
          9        ASSIGN                                                   !2, $9
         10        FREE                                                     $6
   10    11        FETCH_THIS                                       $11     
         12        INIT_METHOD_CALL                                         $11, 'base64UrlDecode'
         13        SEND_VAR_EX                                              !1
         14        DO_FCALL                                      0  $12     
         15        ASSIGN                                                   !3, $12
   11    16        INIT_FCALL                                               'json_decode'
         17        INIT_FCALL                                               'base64urldecode'
         18        SEND_VAR                                                 !2
         19        DO_FCALL                                      0  $14     
         20        SEND_VAR                                                 $14
         21        SEND_VAL                                                 <true>
         22        DO_ICALL                                         $15     
         23        ASSIGN                                                   !4, $15
   12    24        ECHO                                                     !4
         25      > RETURN                                                   1

Function base64urldecode:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AuPko
function name:  base64UrlDecode
number of ops:  11
compiled vars:  !0 = $input
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'base64_decode'
          2        INIT_FCALL                                               'strtr'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 '-_'
          5        SEND_VAL                                                 '%2B%2F'
          6        DO_ICALL                                         $1      
          7        SEND_VAR                                                 $1
          8        DO_ICALL                                         $2      
          9      > RETURN                                                   $2
    5    10*     > RETURN                                                   null

End of function base64urldecode

Generated using Vulcan Logic Dumper, using php 8.0.0


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144.28 ms | 1407 KiB | 22 Q