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<?php $html = <<<HTML <div> <p class="classy">1 </p> <p>2</p> <p data-p="<p>notatag</p>">3</p> <span data-monkeywrench='<p'>z</span> <p data-p="<p>notatag</p>">4</p> <p>5</p> </div> HTML; $dom = new DOMDocument(); $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); foreach ($xpath->query('//p[position() <= 4]') as $p) { echo var_export($p->nodeValue, true) , "\n---\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 16, Position 2 = 25
Branch analysis from position: 16
2 jumps found. (Code = 78) Position 1 = 17, Position 2 = 25
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
filename:       /in/ZVRc6
function name:  (null)
number of ops:  27
compiled vars:  !0 = $html, !1 = $dom, !2 = $xpath, !3 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Cdiv%3E%0A++++%3Cp+class%3D%22classy%22%3E1%0A%3C%2Fp%3E%0A++++%3Cp%3E2%3C%2Fp%3E%0A++++%3Cp+data-p%3D%22%3Cp%3Enotatag%3C%2Fp%3E%22%3E3%3C%2Fp%3E%0A++++%3Cspan+data-monkeywrench%3D%27%3Cp%27%3Ez%3C%2Fspan%3E%0A++++%3Cp%0A+data-p%3D%22%3Cp%3Enotatag%3C%2Fp%3E%22%3E4%3C%2Fp%3E%0A++++%3Cp%3E5%3C%2Fp%3E%0A%3C%2Fdiv%3E'
   16     1        NEW                                              $5      'DOMDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $5
   17     4        INIT_METHOD_CALL                                         !1, 'loadHTML'
          5        SEND_VAR_EX                                              !0
          6        SEND_VAL_EX                                              8196
          7        DO_FCALL                                      0          
   18     8        NEW                                              $9      'DOMXPath'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $9
   19    12        INIT_METHOD_CALL                                         !2, 'query'
         13        SEND_VAL_EX                                              '%2F%2Fp%5Bposition%28%29+%3C%3D+4%5D'
         14        DO_FCALL                                      0  $12     
         15      > FE_RESET_R                                       $13     $12, ->25
         16    > > FE_FETCH_R                                               $13, !3, ->25
   20    17    >   INIT_FCALL                                               'var_export'
         18        FETCH_OBJ_R                                      ~14     !3, 'nodeValue'
         19        SEND_VAL                                                 ~14
         20        SEND_VAL                                                 <true>
         21        DO_ICALL                                         $15     
         22        ECHO                                                     $15
         23        ECHO                                                     '%0A---%0A'
   19    24      > JMP                                                      ->16
         25    >   FE_FREE                                                  $13
   21    26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.86 ms | 1006 KiB | 14 Q