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<?php $data = '<user><prop name="A"><sub name="X"></sub></prop><prop name="B"><sub name="Y"></sub></prop></user>'; $xml = new DomDocument; $xml->loadXML($data); $xpath = new DomXpath($xml); $subY = $xpath->query('//sub[@name="Y"]'); $design = $xml->createElement('design'); $design->setAttribute('name', 'J'); $design->setAttribute('path', 'folder'); $subY->appendChild($design); echo $xml->saveXML();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SjNEW
function name:  (null)
number of ops:  34
compiled vars:  !0 = $data, !1 = $xml, !2 = $xpath, !3 = $subY, !4 = $design
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Cuser%3E%3Cprop+name%3D%22A%22%3E%3Csub+name%3D%22X%22%3E%3C%2Fsub%3E%3C%2Fprop%3E%3Cprop+name%3D%22B%22%3E%3Csub+name%3D%22Y%22%3E%3C%2Fsub%3E%3C%2Fprop%3E%3C%2Fuser%3E'
    4     1        NEW                                              $6      'DomDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $6
    5     4        INIT_METHOD_CALL                                         !1, 'loadXML'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0          
    7     7        NEW                                              $10     'DomXpath'
          8        SEND_VAR_EX                                              !1
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !2, $10
    9    11        INIT_METHOD_CALL                                         !2, 'query'
         12        SEND_VAL_EX                                              '%2F%2Fsub%5B%40name%3D%22Y%22%5D'
         13        DO_FCALL                                      0  $13     
         14        ASSIGN                                                   !3, $13
   11    15        INIT_METHOD_CALL                                         !1, 'createElement'
         16        SEND_VAL_EX                                              'design'
         17        DO_FCALL                                      0  $15     
         18        ASSIGN                                                   !4, $15
   12    19        INIT_METHOD_CALL                                         !4, 'setAttribute'
         20        SEND_VAL_EX                                              'name'
         21        SEND_VAL_EX                                              'J'
         22        DO_FCALL                                      0          
   13    23        INIT_METHOD_CALL                                         !4, 'setAttribute'
         24        SEND_VAL_EX                                              'path'
         25        SEND_VAL_EX                                              'folder'
         26        DO_FCALL                                      0          
   15    27        INIT_METHOD_CALL                                         !3, 'appendChild'
         28        SEND_VAR_EX                                              !4
         29        DO_FCALL                                      0          
   17    30        INIT_METHOD_CALL                                         !1, 'saveXML'
         31        DO_FCALL                                      0  $20     
         32        ECHO                                                     $20
         33      > RETURN                                                   1

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