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<?php var_dump(phpversion()); $foo1 = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><root />'); $foo1->addChild("x", htmlspecialchars("<test />")); $foo2 = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><root><x /></root>'); $foo2->x = htmlspecialchars("<test />"); var_dump($foo1->x); var_dump($foo2->x); var_dump($foo1->asXML() === $foo2->asXML());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fTD4s
function name:  (null)
number of ops:  42
compiled vars:  !0 = $foo1, !1 = $foo2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'phpversion'
          2        DO_ICALL                                         $2      
          3        SEND_VAR                                                 $2
          4        DO_ICALL                                                 
    4     5        NEW                                              $4      'SimpleXMLElement'
          6        SEND_VAL_EX                                              '%3C%3Fxml+version%3D%221.0%22+encoding%3D%22UTF-8%22%3F%3E%3Croot+%2F%3E'
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !0, $4
    5     9        INIT_METHOD_CALL                                         !0, 'addChild'
         10        SEND_VAL_EX                                              'x'
         11        INIT_FCALL                                               'htmlspecialchars'
         12        SEND_VAL                                                 '%3Ctest+%2F%3E'
         13        DO_ICALL                                         $7      
         14        SEND_VAR_NO_REF_EX                                       $7
         15        DO_FCALL                                      0          
    7    16        NEW                                              $9      'SimpleXMLElement'
         17        SEND_VAL_EX                                              '%3C%3Fxml+version%3D%221.0%22+encoding%3D%22UTF-8%22%3F%3E%3Croot%3E%3Cx+%2F%3E%3C%2Froot%3E'
         18        DO_FCALL                                      0          
         19        ASSIGN                                                   !1, $9
    8    20        INIT_FCALL                                               'htmlspecialchars'
         21        SEND_VAL                                                 '%3Ctest+%2F%3E'
         22        DO_ICALL                                         $13     
         23        ASSIGN_OBJ                                               !1, 'x'
         24        OP_DATA                                                  $13
   10    25        INIT_FCALL                                               'var_dump'
         26        FETCH_OBJ_R                                      ~14     !0, 'x'
         27        SEND_VAL                                                 ~14
         28        DO_ICALL                                                 
   11    29        INIT_FCALL                                               'var_dump'
         30        FETCH_OBJ_R                                      ~16     !1, 'x'
         31        SEND_VAL                                                 ~16
         32        DO_ICALL                                                 
   12    33        INIT_FCALL                                               'var_dump'
         34        INIT_METHOD_CALL                                         !0, 'asXML'
         35        DO_FCALL                                      0  $18     
         36        INIT_METHOD_CALL                                         !1, 'asXML'
         37        DO_FCALL                                      0  $19     
         38        IS_IDENTICAL                                     ~20     $18, $19
         39        SEND_VAL                                                 ~20
         40        DO_ICALL                                                 
         41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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