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<?php $x = simplexml_load_string('<foo><bar>1</bar></foo>'); $y = clone $x; unset($y->bar); echo $x->asXML(); echo $y->asXML();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qmnsr
function name:  (null)
number of ops:  14
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'simplexml_load_string'
          1        SEND_VAL                                                 '%3Cfoo%3E%3Cbar%3E1%3C%2Fbar%3E%3C%2Ffoo%3E'
          2        DO_ICALL                                         $2      
          3        ASSIGN                                                   !0, $2
    4     4        CLONE                                            ~4      !0
          5        ASSIGN                                                   !1, ~4
    5     6        UNSET_OBJ                                                !1, 'bar'
    6     7        INIT_METHOD_CALL                                         !0, 'asXML'
          8        DO_FCALL                                      0  $6      
          9        ECHO                                                     $6
    7    10        INIT_METHOD_CALL                                         !1, 'asXML'
         11        DO_FCALL                                      0  $7      
         12        ECHO                                                     $7
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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