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<?php function main() { $xml = '<foo><bar /></foo>'; $dom1 = new DOMDocument(); $dom1->loadXML($xml); $dom2 = clone $dom1; var_dump($dom1->firstChild->nodeName); var_dump($dom2->firstChild->nodeName); $child1 = $dom1->firstChild; $child2 = clone $child1; $child1->foo = 12; $child2->foo = 88; return array($dom1, $dom2); } list($x, $y) = main(); var_dump($x->firstChild->foo); var_dump($y->firstChild->foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r8EoN
function name:  (null)
number of ops:  18
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   INIT_FCALL                                               'main'
          1        DO_FCALL                                      0  $2      
          2        FETCH_LIST_R                                     $3      $2, 0
          3        ASSIGN                                                   !0, $3
          4        FETCH_LIST_R                                     $5      $2, 1
          5        ASSIGN                                                   !1, $5
          6        FREE                                                     $2
   23     7        INIT_FCALL                                               'var_dump'
          8        FETCH_OBJ_R                                      ~7      !0, 'firstChild'
          9        FETCH_OBJ_R                                      ~8      ~7, 'foo'
         10        SEND_VAL                                                 ~8
         11        DO_ICALL                                                 
   24    12        INIT_FCALL                                               'var_dump'
         13        FETCH_OBJ_R                                      ~10     !1, 'firstChild'
         14        FETCH_OBJ_R                                      ~11     ~10, 'foo'
         15        SEND_VAL                                                 ~11
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Function main:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r8EoN
function name:  main
number of ops:  31
compiled vars:  !0 = $xml, !1 = $dom1, !2 = $dom2, !3 = $child1, !4 = $child2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, '%3Cfoo%3E%3Cbar+%2F%3E%3C%2Ffoo%3E'
    5     1        NEW                                              $6      'DOMDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $6
    6     4        INIT_METHOD_CALL                                         !1, 'loadXML'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0          
    7     7        CLONE                                            ~10     !1
          8        ASSIGN                                                   !2, ~10
    9     9        INIT_FCALL                                               'var_dump'
         10        FETCH_OBJ_R                                      ~12     !1, 'firstChild'
         11        FETCH_OBJ_R                                      ~13     ~12, 'nodeName'
         12        SEND_VAL                                                 ~13
         13        DO_ICALL                                                 
   10    14        INIT_FCALL                                               'var_dump'
         15        FETCH_OBJ_R                                      ~15     !2, 'firstChild'
         16        FETCH_OBJ_R                                      ~16     ~15, 'nodeName'
         17        SEND_VAL                                                 ~16
         18        DO_ICALL                                                 
   12    19        FETCH_OBJ_R                                      ~18     !1, 'firstChild'
         20        ASSIGN                                                   !3, ~18
   13    21        CLONE                                            ~20     !3
         22        ASSIGN                                                   !4, ~20
   15    23        ASSIGN_OBJ                                               !3, 'foo'
         24        OP_DATA                                                  12
   16    25        ASSIGN_OBJ                                               !4, 'foo'
         26        OP_DATA                                                  88
   18    27        INIT_ARRAY                                       ~24     !1
         28        ADD_ARRAY_ELEMENT                                ~24     !2
         29      > RETURN                                                   ~24
   19    30*     > RETURN                                                   null

End of function main

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