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<?php $data = <<<'DATA' $program = <<<PROGRAM <?php \$data = <<<'DATA'\n$data\nDATA; $data PROGRAM; $n = 0; if ($n >= 5) { echo "OMFG!\n"; } else { echo str_replace('$n = 0;', '$n = '.($n+1).';', $program); } DATA; $program = <<<PROGRAM <?php \$data = <<<'DATA'\n$data\nDATA; $data PROGRAM; $n = 0; if ($n >= 5) { echo "OMFG!\n"; } else { echo str_replace('$n = 0;', '$n = '.($n+1).';', $program); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qvfbv
function name:  (null)
number of ops:  22
compiled vars:  !0 = $data, !1 = $program, !2 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%24program+%3D+%3C%3C%3CPROGRAM%0A%3C%3Fphp%0A%5C%24data+%3D+%3C%3C%3C%27DATA%27%5Cn%24data%5CnDATA%3B%0A%24data%0A+%0APROGRAM%3B%0A%24n+%3D+0%3B%0Aif+%28%24n+%3E%3D+5%29+%7B%0Aecho+%22OMFG%21%5Cn%22%3B%0A%7D+else+%7B%0Aecho+str_replace%28%27%24n+%3D+0%3B%27%2C+%27%24n+%3D+%27.%28%24n%2B1%29.%27%3B%27%2C+%24program%29%3B%0A%7D'
   17     1        ROPE_INIT                                     5  ~5      '%3C%3Fphp%0A%24data+%3D+%3C%3C%3C%27DATA%27%0A'
   18     2        ROPE_ADD                                      1  ~5      ~5, !0
          3        ROPE_ADD                                      2  ~5      ~5, '%0ADATA%3B%0A'
   19     4        ROPE_ADD                                      3  ~5      ~5, !0
          5        ROPE_END                                      4  ~4      ~5, '%0A+'
   16     6        ASSIGN                                                   !1, ~4
   22     7        ASSIGN                                                   !2, 0
   23     8        IS_SMALLER_OR_EQUAL                                      5, !2
          9      > JMPZ                                                     ~10, ->12
   24    10    >   ECHO                                                     'OMFG%21%0A'
         11      > JMP                                                      ->21
   26    12    >   INIT_FCALL                                               'str_replace'
         13        SEND_VAL                                                 '%24n+%3D+0%3B'
         14        ADD                                              ~11     !2, 1
         15        CONCAT                                           ~12     '%24n+%3D+', ~11
         16        CONCAT                                           ~13     ~12, '%3B'
         17        SEND_VAL                                                 ~13
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                         $14     
         20        ECHO                                                     $14
   27    21    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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