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<?php $html = <<<HTML <div> <p> <iframe allowfullscreen="" class="media-element file-default" data-fid="2219" data-media-element="1" frameborder="0" height="360" src="https://www.youtube.com/embed/sNEJOm4hSaw" width="640"></iframe> </p> <p> <iframe allowfullscreen="" class="media-element file-default" data-fid="2219" data-media-element="1" frameborder="0" height="360" src="https://www.youtube.com/embed/abcdefghijk" width="640"></iframe> </p> </div> HTML; $dom = new DOMDocument; $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); while ($iframe = $dom->getElementsByTagName('iframe')->item(0)) { $amp = $dom->createElement('amp-youtube'); $amp->setAttribute('width', '480'); $amp->setAttribute('height', '270'); $amp->setAttribute('layout', 'responsive'); $amp->setAttribute('data-videoid', str_replace("https://www.youtube.com/embed/","", $iframe->getAttribute('src'))); $iframe->parentNode->replaceChild($amp, $iframe); } echo $dom->saveHTML();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 42
Branch analysis from position: 42
2 jumps found. (Code = 44) Position 1 = 50, Position 2 = 9
Branch analysis from position: 50
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 50, Position 2 = 9
Branch analysis from position: 50
Branch analysis from position: 9
filename:       /in/VIVSX
function name:  (null)
number of ops:  54
compiled vars:  !0 = $html, !1 = $dom, !2 = $amp, !3 = $iframe
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Cdiv%3E%0A++%3Cp%3E%0A++++%3Ciframe+allowfullscreen%3D%22%22+class%3D%22media-element+file-default%22+data-fid%3D%222219%22+data-media-element%3D%221%22+frameborder%3D%220%22+height%3D%22360%22+src%3D%22https%3A%2F%2Fwww.youtube.com%2Fembed%2FsNEJOm4hSaw%22+width%3D%22640%22%3E%3C%2Fiframe%3E%0A++%3C%2Fp%3E%0A++%3Cp%3E%0A++++%3Ciframe+allowfullscreen%3D%22%22+class%3D%22media-element+file-default%22+data-fid%3D%222219%22+data-media-element%3D%221%22+frameborder%3D%220%22+height%3D%22360%22+src%3D%22https%3A%2F%2Fwww.youtube.com%2Fembed%2Fabcdefghijk%22+width%3D%22640%22%3E%3C%2Fiframe%3E%0A++%3C%2Fp%3E%0A%3C%2Fdiv%3E'
   14     1        NEW                                              $5      'DOMDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $5
   15     4        INIT_METHOD_CALL                                         !1, 'loadHTML'
          5        SEND_VAR_EX                                              !0
          6        SEND_VAL_EX                                              8196
          7        DO_FCALL                                      0          
   16     8      > JMP                                                      ->42
   17     9    >   INIT_METHOD_CALL                                         !1, 'createElement'
         10        SEND_VAL_EX                                              'amp-youtube'
         11        DO_FCALL                                      0  $9      
         12        ASSIGN                                                   !2, $9
   18    13        INIT_METHOD_CALL                                         !2, 'setAttribute'
         14        SEND_VAL_EX                                              'width'
         15        SEND_VAL_EX                                              '480'
         16        DO_FCALL                                      0          
   19    17        INIT_METHOD_CALL                                         !2, 'setAttribute'
         18        SEND_VAL_EX                                              'height'
         19        SEND_VAL_EX                                              '270'
         20        DO_FCALL                                      0          
   20    21        INIT_METHOD_CALL                                         !2, 'setAttribute'
         22        SEND_VAL_EX                                              'layout'
         23        SEND_VAL_EX                                              'responsive'
         24        DO_FCALL                                      0          
   21    25        INIT_METHOD_CALL                                         !2, 'setAttribute'
         26        SEND_VAL_EX                                              'data-videoid'
         27        INIT_FCALL                                               'str_replace'
         28        SEND_VAL                                                 'https%3A%2F%2Fwww.youtube.com%2Fembed%2F'
         29        SEND_VAL                                                 ''
         30        INIT_METHOD_CALL                                         !3, 'getAttribute'
         31        SEND_VAL_EX                                              'src'
         32        DO_FCALL                                      0  $14     
         33        SEND_VAR                                                 $14
         34        DO_ICALL                                         $15     
         35        SEND_VAR_NO_REF_EX                                       $15
         36        DO_FCALL                                      0          
   22    37        FETCH_OBJ_R                                      ~17     !3, 'parentNode'
         38        INIT_METHOD_CALL                                         ~17, 'replaceChild'
         39        SEND_VAR_EX                                              !2
         40        SEND_VAR_EX                                              !3
         41        DO_FCALL                                      0          
   16    42    >   INIT_METHOD_CALL                                         !1, 'getElementsByTagName'
         43        SEND_VAL_EX                                              'iframe'
         44        DO_FCALL                                      0  $19     
         45        INIT_METHOD_CALL                                         $19, 'item'
         46        SEND_VAL_EX                                              0
         47        DO_FCALL                                      0  $20     
         48        ASSIGN                                           ~21     !3, $20
         49      > JMPNZ                                                    ~21, ->9
   24    50    >   INIT_METHOD_CALL                                         !1, 'saveHTML'
         51        DO_FCALL                                      0  $22     
         52        ECHO                                                     $22
         53      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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