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<?php $_SERVER['HTTP_REFERER'] = 'http://example.com/foo/bar?baz=1'; // if (in_array(parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST), [ // 'example.com', 'www.example.com', // 'domain1.com', 'www.domain1.com', // 'domain2.com', 'www.domain2.com' ])) { echo 'In referer'; } else { echo 'Not in referer'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o4MmW
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_W                      global              $0      '_SERVER'
          1        ASSIGN_DIM                                               $0, 'HTTP_REFERER'
          2        OP_DATA                                                  'http%3A%2F%2Fexample.com%2Ffoo%2Fbar%3Fbaz%3D1'
    6     3        INIT_FCALL                                               'parse_url'
          4        FETCH_R                      global              ~2      '_SERVER'
          5        FETCH_DIM_R                                      ~3      ~2, 'HTTP_REFERER'
          6        SEND_VAL                                                 ~3
          7        SEND_VAL                                                 1
          8        DO_ICALL                                         $4      
          9        IN_ARRAY                                                 $4, <array>
         10      > JMPZ                                                     ~5, ->13
   17    11    >   ECHO                                                     'In+referer'
    6    12      > JMP                                                      ->14
   19    13    >   ECHO                                                     'Not+in+referer'
   20    14    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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