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<?php $a = (object)['a' => 1, 'b' => 2]; $b = (object)['a' => 1, 'b' => 2]; var_dump($a === $b); var_dump(spl_object_hash($a)); var_dump(spl_object_hash($b)); $c = new \stdClass; $d = new \stdClass; // $c->a = 1; // $d->a = 1; var_dump($c === $d); var_dump(spl_object_hash($c)); var_dump(spl_object_hash($d));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Q4BU1
function name:  (null)
number of ops:  43
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   CAST                                          8  ~4      <array>
          1        ASSIGN                                                   !0, ~4
    4     2        CAST                                          8  ~6      <array>
          3        ASSIGN                                                   !1, ~6
    6     4        INIT_FCALL                                               'var_dump'
          5        IS_IDENTICAL                                     ~8      !0, !1
          6        SEND_VAL                                                 ~8
          7        DO_ICALL                                                 
    7     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'spl_object_hash'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $10     
         12        SEND_VAR                                                 $10
         13        DO_ICALL                                                 
    8    14        INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'spl_object_hash'
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                         $12     
         18        SEND_VAR                                                 $12
         19        DO_ICALL                                                 
   10    20        NEW                                              $14     'stdClass'
         21        DO_FCALL                                      0          
         22        ASSIGN                                                   !2, $14
   11    23        NEW                                              $17     'stdClass'
         24        DO_FCALL                                      0          
         25        ASSIGN                                                   !3, $17
   15    26        INIT_FCALL                                               'var_dump'
         27        IS_IDENTICAL                                     ~20     !2, !3
         28        SEND_VAL                                                 ~20
         29        DO_ICALL                                                 
   16    30        INIT_FCALL                                               'var_dump'
         31        INIT_FCALL                                               'spl_object_hash'
         32        SEND_VAR                                                 !2
         33        DO_ICALL                                         $22     
         34        SEND_VAR                                                 $22
         35        DO_ICALL                                                 
   17    36        INIT_FCALL                                               'var_dump'
         37        INIT_FCALL                                               'spl_object_hash'
         38        SEND_VAR                                                 !3
         39        DO_ICALL                                         $24     
         40        SEND_VAR                                                 $24
         41        DO_ICALL                                                 
         42      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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