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<?php $output = '1/4'; $output = exec('echo 1|awk \'{print '.$output.';}\''); echo $output;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XbERq
function name:  (null)
number of ops:  9
compiled vars:  !0 = $output
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1%2F4'
    4     1        INIT_FCALL                                               'exec'
          2        CONCAT                                           ~2      'echo+1%7Cawk+%27%7Bprint+', !0
          3        CONCAT                                           ~3      ~2, '%3B%7D%27'
          4        SEND_VAL                                                 ~3
          5        DO_ICALL                                         $4      
          6        ASSIGN                                                   !0, $4
    5     7        ECHO                                                     !0
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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