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<?php $doc = new DOMDocument; $doc->loadHTML('<html><body id="x"></body></html>'); $body = $doc->getElementById('x'); $doc2 = new DOMDocument; $div = $doc2->createElement('div'); $div->setAttribute('id', 'y'); $div = $doc->importNode( $div ); echo '1: ' . ( $doc->getElementById('y') ? $doc->getElementById('y')->tagName : 'null' ) . PHP_EOL; $body->appendChild( $div ); echo '2: ' . ( $doc->getElementById('y') ? $doc->getElementById('y')->tagName : 'null' ) . PHP_EOL; echo PHP_EOL . $doc->saveHTML();
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 35
Branch analysis from position: 29
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
2 jumps found. (Code = 43) Position 1 = 46, Position 2 = 52
Branch analysis from position: 46
1 jumps found. (Code = 42) Position 1 = 53
Branch analysis from position: 53
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 52
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 35
2 jumps found. (Code = 43) Position 1 = 46, Position 2 = 52
Branch analysis from position: 46
Branch analysis from position: 52
filename:       /in/Lq7eE
function name:  (null)
number of ops:  61
compiled vars:  !0 = $doc, !1 = $body, !2 = $doc2, !3 = $div
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'DOMDocument'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    4     3        INIT_METHOD_CALL                                         !0, 'loadHTML'
          4        SEND_VAL_EX                                              '%3Chtml%3E%3Cbody+id%3D%22x%22%3E%3C%2Fbody%3E%3C%2Fhtml%3E'
          5        DO_FCALL                                      0          
    5     6        INIT_METHOD_CALL                                         !0, 'getElementById'
          7        SEND_VAL_EX                                              'x'
          8        DO_FCALL                                      0  $8      
          9        ASSIGN                                                   !1, $8
    7    10        NEW                                              $10     'DOMDocument'
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !2, $10
    8    13        INIT_METHOD_CALL                                         !2, 'createElement'
         14        SEND_VAL_EX                                              'div'
         15        DO_FCALL                                      0  $13     
         16        ASSIGN                                                   !3, $13
    9    17        INIT_METHOD_CALL                                         !3, 'setAttribute'
         18        SEND_VAL_EX                                              'id'
         19        SEND_VAL_EX                                              'y'
         20        DO_FCALL                                      0          
   11    21        INIT_METHOD_CALL                                         !0, 'importNode'
         22        SEND_VAR_EX                                              !3
         23        DO_FCALL                                      0  $16     
         24        ASSIGN                                                   !3, $16
   12    25        INIT_METHOD_CALL                                         !0, 'getElementById'
         26        SEND_VAL_EX                                              'y'
         27        DO_FCALL                                      0  $18     
         28      > JMPZ                                                     $18, ->35
         29    >   INIT_METHOD_CALL                                         !0, 'getElementById'
         30        SEND_VAL_EX                                              'y'
         31        DO_FCALL                                      0  $19     
         32        FETCH_OBJ_R                                      ~20     $19, 'tagName'
         33        QM_ASSIGN                                        ~21     ~20
         34      > JMP                                                      ->36
         35    >   QM_ASSIGN                                        ~21     'null'
         36    >   CONCAT                                           ~22     '1%3A+', ~21
         37        CONCAT                                           ~23     ~22, '%0A'
         38        ECHO                                                     ~23
   13    39        INIT_METHOD_CALL                                         !1, 'appendChild'
         40        SEND_VAR_EX                                              !3
         41        DO_FCALL                                      0          
   14    42        INIT_METHOD_CALL                                         !0, 'getElementById'
         43        SEND_VAL_EX                                              'y'
         44        DO_FCALL                                      0  $25     
         45      > JMPZ                                                     $25, ->52
         46    >   INIT_METHOD_CALL                                         !0, 'getElementById'
         47        SEND_VAL_EX                                              'y'
         48        DO_FCALL                                      0  $26     
         49        FETCH_OBJ_R                                      ~27     $26, 'tagName'
         50        QM_ASSIGN                                        ~28     ~27
         51      > JMP                                                      ->53
         52    >   QM_ASSIGN                                        ~28     'null'
         53    >   CONCAT                                           ~29     '2%3A+', ~28
         54        CONCAT                                           ~30     ~29, '%0A'
         55        ECHO                                                     ~30
   15    56        INIT_METHOD_CALL                                         !0, 'saveHTML'
         57        DO_FCALL                                      0  $31     
         58        CONCAT                                           ~32     '%0A', $31
         59        ECHO                                                     ~32
         60      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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