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<?php $foo = new stdclass; $bar = new stdclass; $bar->foo = $foo; $baz = new stdclass; $baz->foo = $foo; var_dump($bar->foo === $baz->foo); $bar = unserialize(serialize($bar)); $baz = unserialize(serialize($baz)); var_dump($bar->foo === $baz->foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uYYiV
function name:  (null)
number of ops:  40
compiled vars:  !0 = $foo, !1 = $bar, !2 = $baz
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'stdclass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $3
    5     3        NEW                                              $6      'stdclass'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $6
    6     6        ASSIGN_OBJ                                               !1, 'foo'
          7        OP_DATA                                                  !0
    8     8        NEW                                              $10     'stdclass'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !2, $10
    9    11        ASSIGN_OBJ                                               !2, 'foo'
         12        OP_DATA                                                  !0
   11    13        INIT_FCALL                                               'var_dump'
         14        FETCH_OBJ_R                                      ~14     !1, 'foo'
         15        FETCH_OBJ_R                                      ~15     !2, 'foo'
         16        IS_IDENTICAL                                     ~16     ~14, ~15
         17        SEND_VAL                                                 ~16
         18        DO_ICALL                                                 
   13    19        INIT_FCALL                                               'unserialize'
         20        INIT_FCALL                                               'serialize'
         21        SEND_VAR                                                 !1
         22        DO_ICALL                                         $18     
         23        SEND_VAR                                                 $18
         24        DO_ICALL                                         $19     
         25        ASSIGN                                                   !1, $19
   14    26        INIT_FCALL                                               'unserialize'
         27        INIT_FCALL                                               'serialize'
         28        SEND_VAR                                                 !2
         29        DO_ICALL                                         $21     
         30        SEND_VAR                                                 $21
         31        DO_ICALL                                         $22     
         32        ASSIGN                                                   !2, $22
   16    33        INIT_FCALL                                               'var_dump'
         34        FETCH_OBJ_R                                      ~24     !1, 'foo'
         35        FETCH_OBJ_R                                      ~25     !2, 'foo'
         36        IS_IDENTICAL                                     ~26     ~24, ~25
         37        SEND_VAL                                                 ~26
         38        DO_ICALL                                                 
         39      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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