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<?php $html = <<<HTML <body> <a href="page4.php">Page 4</a> <a href="page3.php">Page 3</a> <div class="red">stuff</div> <div class="blue">stuff</div> </body> HTML; $dom = new DOMDocument; $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $counter = 0; foreach ($dom->getElementsByTagName("a") as $a) { ++$counter; $comment = new DOMComment(" UNIT $counter "); $a->parentNode->insertBefore($comment, $a); $a->setAttribute('id', "a_$counter"); } $counter = 0; foreach ($dom->getElementsByTagName("div") as $b) { ++$counter; $b->setAttribute('id', "b_$counter"); } echo substr($dom->saveHTML(), 7, -9);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 13, Position 2 = 34
Branch analysis from position: 13
2 jumps found. (Code = 78) Position 1 = 14, Position 2 = 34
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 34
2 jumps found. (Code = 77) Position 1 = 40, Position 2 = 49
Branch analysis from position: 40
2 jumps found. (Code = 78) Position 1 = 41, Position 2 = 49
Branch analysis from position: 41
1 jumps found. (Code = 42) Position 1 = 40
Branch analysis from position: 40
Branch analysis from position: 49
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 49
Branch analysis from position: 34
filename:       /in/ALmsS
function name:  (null)
number of ops:  56
compiled vars:  !0 = $html, !1 = $dom, !2 = $counter, !3 = $a, !4 = $comment, !5 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%3Cbody%3E%0A%3Ca+href%3D%22page4.php%22%3EPage+4%3C%2Fa%3E%0A%3Ca+href%3D%22page3.php%22%3EPage+3%3C%2Fa%3E%0A%3Cdiv+class%3D%22red%22%3Estuff%3C%2Fdiv%3E%0A%3Cdiv+class%3D%22blue%22%3Estuff%3C%2Fdiv%3E%0A%3C%2Fbody%3E'
   12     1        NEW                                                  $7      'DOMDocument'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !1, $7
   13     4        INIT_METHOD_CALL                                             !1, 'loadHTML'
          5        SEND_VAR_EX                                                  !0
          6        SEND_VAL_EX                                                  8196
          7        DO_FCALL                                          0          
   14     8        ASSIGN                                                       !2, 0
   15     9        INIT_METHOD_CALL                                             !1, 'getElementsByTagName'
         10        SEND_VAL_EX                                                  'a'
         11        DO_FCALL                                          0  $12     
         12      > FE_RESET_R                                           $13     $12, ->34
         13    > > FE_FETCH_R                                                   $13, !3, ->34
   16    14    >   PRE_INC                                                      !2
   17    15        NEW                                                  $15     'DOMComment'
         16        ROPE_INIT                                         3  ~17     '+UNIT+'
         17        ROPE_ADD                                          1  ~17     ~17, !2
         18        ROPE_END                                          2  ~16     ~17, '+'
         19        SEND_VAL_EX                                                  ~16
         20        DO_FCALL                                          0          
         21        ASSIGN                                                       !4, $15
   18    22        FETCH_OBJ_R                                          ~21     !3, 'parentNode'
         23        INIT_METHOD_CALL                                             ~21, 'insertBefore'
         24        SEND_VAR_EX                                                  !4
         25        SEND_VAR_EX                                                  !3
         26        DO_FCALL                                          0          
   19    27        INIT_METHOD_CALL                                             !3, 'setAttribute'
         28        SEND_VAL_EX                                                  'id'
         29        NOP                                                          
         30        FAST_CONCAT                                          ~23     'a_', !2
         31        SEND_VAL_EX                                                  ~23
         32        DO_FCALL                                          0          
   15    33      > JMP                                                          ->13
         34    >   FE_FREE                                                      $13
   21    35        ASSIGN                                                       !2, 0
   22    36        INIT_METHOD_CALL                                             !1, 'getElementsByTagName'
         37        SEND_VAL_EX                                                  'div'
         38        DO_FCALL                                          0  $26     
         39      > FE_RESET_R                                           $27     $26, ->49
         40    > > FE_FETCH_R                                                   $27, !5, ->49
   23    41    >   PRE_INC                                                      !2
   24    42        INIT_METHOD_CALL                                             !5, 'setAttribute'
         43        SEND_VAL_EX                                                  'id'
         44        NOP                                                          
         45        FAST_CONCAT                                          ~29     'b_', !2
         46        SEND_VAL_EX                                                  ~29
         47        DO_FCALL                                          0          
   22    48      > JMP                                                          ->40
         49    >   FE_FREE                                                      $27
   26    50        INIT_METHOD_CALL                                             !1, 'saveHTML'
         51        DO_FCALL                                          0  $31     
         52        FRAMELESS_ICALL_3                substr              ~32     $31, 7
         53        OP_DATA                                                      -9
         54        ECHO                                                         ~32
         55      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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