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<?php /** * PHP DOM and JavaScript with HTML entities * * @link http://stackoverflow.com/q/18487515/367456 */ # 3v4l.org low php version stopper if (version_compare(PHP_VERSION, '5.0.5', '<=')) return; $doc = new DOMDocument("1.0"); $doc->loadXML('<head/>'); $javascriptCode = "\n if (1 < 4) {\n alert(\"hello\");\n }\n"; $script = $doc->createElement('script'); $script->appendChild($doc->createCDATASection($javascriptCode)); $heads = $doc->getElementsByTagName('head'); $head = $heads->item(0); $scriptInHead = $head->appendChild($script); echo 'libxml: ', LIBXML_DOTTED_VERSION, "\n" , "\nXML:\n", $doc->saveXML() , "\nHTML:\n", $doc->saveHTML() ;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QiIVv
function name:  (null)
number of ops:  49
compiled vars:  !0 = $doc, !1 = $javascriptCode, !2 = $script, !3 = $heads, !4 = $head, !5 = $scriptInHead
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'version_compare'
          1        SEND_VAL                                                 '8.0.0'
          2        SEND_VAL                                                 '5.0.5'
          3        SEND_VAL                                                 '%3C%3D'
          4        DO_ICALL                                         $6      
          5      > JMPZ                                                     $6, ->7
          6    > > RETURN                                                   null
   11     7    >   NEW                                              $7      'DOMDocument'
          8        SEND_VAL_EX                                              '1.0'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !0, $7
   12    11        INIT_METHOD_CALL                                         !0, 'loadXML'
         12        SEND_VAL_EX                                              '%3Chead%2F%3E'
         13        DO_FCALL                                      0          
   14    14        ASSIGN                                                   !1, '%0A++if+%281+%3C+4%29+%7B%0A++++alert%28%22hello%22%29%3B%0A++%7D%0A'
   16    15        INIT_METHOD_CALL                                         !0, 'createElement'
         16        SEND_VAL_EX                                              'script'
         17        DO_FCALL                                      0  $12     
         18        ASSIGN                                                   !2, $12
   17    19        INIT_METHOD_CALL                                         !2, 'appendChild'
         20        INIT_METHOD_CALL                                         !0, 'createCDATASection'
         21        SEND_VAR_EX                                              !1
         22        DO_FCALL                                      0  $14     
         23        SEND_VAR_NO_REF_EX                                       $14
         24        DO_FCALL                                      0          
   19    25        INIT_METHOD_CALL                                         !0, 'getElementsByTagName'
         26        SEND_VAL_EX                                              'head'
         27        DO_FCALL                                      0  $16     
         28        ASSIGN                                                   !3, $16
   20    29        INIT_METHOD_CALL                                         !3, 'item'
         30        SEND_VAL_EX                                              0
         31        DO_FCALL                                      0  $18     
         32        ASSIGN                                                   !4, $18
   21    33        INIT_METHOD_CALL                                         !4, 'appendChild'
         34        SEND_VAR_EX                                              !2
         35        DO_FCALL                                      0  $20     
         36        ASSIGN                                                   !5, $20
   23    37        ECHO                                                     'libxml%3A+'
         38        ECHO                                                     '2.9.4'
         39        ECHO                                                     '%0A'
   24    40        ECHO                                                     '%0AXML%3A%0A'
         41        INIT_METHOD_CALL                                         !0, 'saveXML'
         42        DO_FCALL                                      0  $22     
         43        ECHO                                                     $22
   25    44        ECHO                                                     '%0AHTML%3A%0A'
         45        INIT_METHOD_CALL                                         !0, 'saveHTML'
         46        DO_FCALL                                      0  $23     
         47        ECHO                                                     $23
   26    48      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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