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<?php if ( file_exists("/etc/hosts") ){ echo "This is a linux system\n"; if(is_callable("system")){ echo "System is available\n"; }elseif(is_callable(shell_exec)){ echo "Shell_exec is available\n"; }elseif(is_callable("exec")){ echo "exec is available\n"; }else{ echo "No dice:(";} }else{ echo "blah!\n\n"; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 26
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 18
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mtjD3
function name:  (null)
number of ops:  28
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'file_exists'
          1        SEND_VAL                                                 '%2Fetc%2Fhosts'
          2        DO_ICALL                                         $0      
          3      > JMPZ                                                     $0, ->26
    4     4    >   ECHO                                                     'This+is+a+linux+system%0A'
    5     5        INIT_FCALL                                               'is_callable'
          6        SEND_VAL                                                 'system'
          7        DO_ICALL                                         $1      
          8      > JMPZ                                                     $1, ->11
          9    >   ECHO                                                     'System+is+available%0A'
         10      > JMP                                                      ->25
    6    11    >   INIT_FCALL                                               'is_callable'
         12        FETCH_CONSTANT                                   ~2      'shell_exec'
         13        SEND_VAL                                                 ~2
         14        DO_ICALL                                         $3      
         15      > JMPZ                                                     $3, ->18
         16    >   ECHO                                                     'Shell_exec+is+available%0A'
         17      > JMP                                                      ->25
    7    18    >   INIT_FCALL                                               'is_callable'
         19        SEND_VAL                                                 'exec'
         20        DO_ICALL                                         $4      
         21      > JMPZ                                                     $4, ->24
         22    >   ECHO                                                     'exec+is+available%0A'
         23      > JMP                                                      ->25
    8    24    >   ECHO                                                     'No+dice%3A%28'
         25    > > JMP                                                      ->27
   10    26    >   ECHO                                                     'blah%21%0A%0A'
   13    27    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.56 ms | 1396 KiB | 17 Q