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<?php $dom = new DOMDocument(); $dom->loadHtml(' Hello World have a look at <a href="www.laptops.com/apple">Apple Laptops</a>. For more ino go to <a href="www.apple.com">Apple.com</a> or to <a href="www.appleblog.com">Appleblog.com</a> ', LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); foreach ($xpath->query("//a") as $link) { $href = $link->getAttribute('href'); // link has a # in it, so replace with the links title if (strpos($href, 'www.laptops.com') === false) { $link->setAttribute("rel", "nofollow noopener"); } } echo $dom->saveHTML();
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 15, Position 2 = 31
Branch analysis from position: 15
2 jumps found. (Code = 78) Position 1 = 16, Position 2 = 31
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 30
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 30
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 31
filename:       /in/DseDi
function name:  (null)
number of ops:  36
compiled vars:  !0 = $dom, !1 = $xpath, !2 = $link, !3 = $href
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $4      'DOMDocument'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    4     3        INIT_METHOD_CALL                                         !0, 'loadHtml'
          4        SEND_VAL_EX                                              '%0AHello+World+have+a+look+at+%3Ca+href%3D%22www.laptops.com%2Fapple%22%3EApple+Laptops%3C%2Fa%3E.+%0A++For+more+ino+go+to+%3Ca+href%3D%22www.apple.com%22%3EApple.com%3C%2Fa%3E+%0A++or+to+%3Ca+href%3D%22www.appleblog.com%22%3EAppleblog.com%3C%2Fa%3E%0A'
    8     5        SEND_VAL_EX                                              8196
          6        DO_FCALL                                      0          
   10     7        NEW                                              $8      'DOMXPath'
          8        SEND_VAR_EX                                              !0
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $8
   12    11        INIT_METHOD_CALL                                         !1, 'query'
         12        SEND_VAL_EX                                              '%2F%2Fa'
         13        DO_FCALL                                      0  $11     
         14      > FE_RESET_R                                       $12     $11, ->31
         15    > > FE_FETCH_R                                               $12, !2, ->31
   13    16    >   INIT_METHOD_CALL                                         !2, 'getAttribute'
         17        SEND_VAL_EX                                              'href'
         18        DO_FCALL                                      0  $13     
         19        ASSIGN                                                   !3, $13
   16    20        INIT_FCALL                                               'strpos'
         21        SEND_VAR                                                 !3
         22        SEND_VAL                                                 'www.laptops.com'
         23        DO_ICALL                                         $15     
         24        TYPE_CHECK                                    4          $15
         25      > JMPZ                                                     ~16, ->30
   17    26    >   INIT_METHOD_CALL                                         !2, 'setAttribute'
         27        SEND_VAL_EX                                              'rel'
         28        SEND_VAL_EX                                              'nofollow+noopener'
         29        DO_FCALL                                      0          
   12    30    > > JMP                                                      ->15
         31    >   FE_FREE                                                  $12
   21    32        INIT_METHOD_CALL                                         !0, 'saveHTML'
         33        DO_FCALL                                      0  $18     
         34        ECHO                                                     $18
         35      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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