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<?php $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/vv8CB
function name:  (null)
number of ops:  37
compiled vars:  !0 = $foo1, !1 = $foo2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'SimpleXMLElement'
          1        SEND_VAL_EX                                              '%3C%3Fxml+version%3D%221.0%22+encoding%3D%22UTF-8%22%3F%3E%3Croot+%2F%3E'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    4     4        INIT_METHOD_CALL                                         !0, 'addChild'
          5        SEND_VAL_EX                                              'x'
          6        INIT_FCALL                                               'htmlspecialchars'
          7        SEND_VAL                                                 '%3Ctest+%2F%3E'
          8        DO_ICALL                                         $5      
          9        SEND_VAR_NO_REF_EX                                       $5
         10        DO_FCALL                                      0          
    6    11        NEW                                              $7      'SimpleXMLElement'
         12        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'
         13        DO_FCALL                                      0          
         14        ASSIGN                                                   !1, $7
    7    15        INIT_FCALL                                               'htmlspecialchars'
         16        SEND_VAL                                                 '%3Ctest+%2F%3E'
         17        DO_ICALL                                         $11     
         18        ASSIGN_OBJ                                               !1, 'x'
         19        OP_DATA                                                  $11
    9    20        INIT_FCALL                                               'var_dump'
         21        FETCH_OBJ_R                                      ~12     !0, 'x'
         22        SEND_VAL                                                 ~12
         23        DO_ICALL                                                 
   10    24        INIT_FCALL                                               'var_dump'
         25        FETCH_OBJ_R                                      ~14     !1, 'x'
         26        SEND_VAL                                                 ~14
         27        DO_ICALL                                                 
   11    28        INIT_FCALL                                               'var_dump'
         29        INIT_METHOD_CALL                                         !0, 'asXML'
         30        DO_FCALL                                      0  $16     
         31        INIT_METHOD_CALL                                         !1, 'asXML'
         32        DO_FCALL                                      0  $17     
         33        IS_IDENTICAL                                     ~18     $16, $17
         34        SEND_VAL                                                 ~18
         35        DO_ICALL                                                 
         36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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