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<?php $html = <<<HTML <div class="content"> <h2>Hello World</h2> <p>This is a paragraph.</p> <button />test</button> </div> HTML; libxml_use_internal_errors(true); $dom = new DOMDocument('1.0', 'UTF-8'); $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); libxml_clear_errors(); // Change the heading text $h2 = $dom->getElementsByTagName('h2')->item(0); $h2->nodeValue = 'Updated Heading'; // Add a class to the paragraph $p = $dom->getElementsByTagName('p')->item(0); $p->setAttribute('class', 'intro'); // Output the modified HTML echo $dom->saveHTML();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EWuG7
function name:  (null)
number of ops:  39
compiled vars:  !0 = $html, !1 = $dom, !2 = $h2, !3 = $p
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, '%3Cdiv+class%3D%22content%22%3E%0A++++%3Ch2%3EHello+World%3C%2Fh2%3E%0A++++%3Cp%3EThis+is+a+paragraph.%3C%2Fp%3E%0A%0A++++%3Cbutton+%2F%3Etest%3C%2Fbutton%3E++++%0A%3C%2Fdiv%3E'
   11     1        INIT_FCALL                                                   'libxml_use_internal_errors'
          2        SEND_VAL                                                     <true>
          3        DO_ICALL                                                     
   13     4        NEW                                                  $6      'DOMDocument'
          5        SEND_VAL_EX                                                  '1.0'
          6        SEND_VAL_EX                                                  'UTF-8'
          7        DO_FCALL                                          0          
          8        ASSIGN                                                       !1, $6
   14     9        INIT_METHOD_CALL                                             !1, 'loadHTML'
         10        SEND_VAR_EX                                                  !0
         11        SEND_VAL_EX                                                  8196
         12        DO_FCALL                                          0          
   16    13        INIT_FCALL                                                   'libxml_clear_errors'
         14        DO_ICALL                                                     
   19    15        INIT_METHOD_CALL                                             !1, 'getElementsByTagName'
         16        SEND_VAL_EX                                                  'h2'
         17        DO_FCALL                                          0  $11     
         18        INIT_METHOD_CALL                                             $11, 'item'
         19        SEND_VAL_EX                                                  0
         20        DO_FCALL                                          0  $12     
         21        ASSIGN                                                       !2, $12
   20    22        ASSIGN_OBJ                                                   !2, 'nodeValue'
         23        OP_DATA                                                      'Updated+Heading'
   23    24        INIT_METHOD_CALL                                             !1, 'getElementsByTagName'
         25        SEND_VAL_EX                                                  'p'
         26        DO_FCALL                                          0  $15     
         27        INIT_METHOD_CALL                                             $15, 'item'
         28        SEND_VAL_EX                                                  0
         29        DO_FCALL                                          0  $16     
         30        ASSIGN                                                       !3, $16
   24    31        INIT_METHOD_CALL                                             !3, 'setAttribute'
         32        SEND_VAL_EX                                                  'class'
         33        SEND_VAL_EX                                                  'intro'
         34        DO_FCALL                                          0          
   27    35        INIT_METHOD_CALL                                             !1, 'saveHTML'
         36        DO_FCALL                                          0  $19     
         37        ECHO                                                         $19
         38      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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