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<?php file_put_contents("/tmp/foo.php", ""); require '/tmp/foo.php'; file_put_contents('/tmp/testi.php', "<?php\necho 'blah';\n"); rename("/tmp/testi.php", "/tmp/foo.php"); chmod('/tmp/foo.php', 0644); require '/tmp/foo.php';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/P8vQ9
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'file_put_contents'
          1        SEND_VAL                                                 '%2Ftmp%2Ffoo.php'
          2        SEND_VAL                                                 ''
          3        DO_ICALL                                                 
    3     4        INCLUDE_OR_EVAL                                          '%2Ftmp%2Ffoo.php', REQUIRE
    5     5        INIT_FCALL                                               'file_put_contents'
          6        SEND_VAL                                                 '%2Ftmp%2Ftesti.php'
          7        SEND_VAL                                                 '%3C%3Fphp%0Aecho+%27blah%27%3B%0A'
          8        DO_ICALL                                                 
    6     9        INIT_FCALL                                               'rename'
         10        SEND_VAL                                                 '%2Ftmp%2Ftesti.php'
         11        SEND_VAL                                                 '%2Ftmp%2Ffoo.php'
         12        DO_ICALL                                                 
    7    13        INIT_FCALL                                               'chmod'
         14        SEND_VAL                                                 '%2Ftmp%2Ffoo.php'
         15        SEND_VAL                                                 420
         16        DO_ICALL                                                 
    8    17        INCLUDE_OR_EVAL                                          '%2Ftmp%2Ffoo.php', REQUIRE
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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