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<?php if (checkdnsrr('http://www.example.com')) echo 'valid'; else echo 'invalid';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/J2b60
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'checkdnsrr'
          1        SEND_VAL                                                 'http%3A%2F%2Fwww.example.com'
          2        DO_ICALL                                         $0      
          3      > JMPZ                                                     $0, ->6
    4     4    >   ECHO                                                     'valid'
          5      > JMP                                                      ->7
    6     6    >   ECHO                                                     'invalid'
          7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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