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<?php class TestClass { public $a; public $b; public $c; } $o1 = new TestClass; $o1->a = 'abc'; $o1->b = ['a', 'b', 'c']; $o1->c = 123456; $o2 = new TestClass; $o2->a = 'abc'; $o2->b = ['a', 'b', 'c']; $o2->c = 123456; var_dump([spl_object_hash($o1), spl_object_hash($o2)]); var_dump($o1 == $o2); var_dump($o1 === $o2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bMReq
function name:  (null)
number of ops:  38
compiled vars:  !0 = $o1, !1 = $o2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   NEW                                              $2      'TestClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   13     3        ASSIGN_OBJ                                               !0, 'a'
          4        OP_DATA                                                  'abc'
   14     5        ASSIGN_OBJ                                               !0, 'b'
          6        OP_DATA                                                  <array>
   15     7        ASSIGN_OBJ                                               !0, 'c'
          8        OP_DATA                                                  123456
   17     9        NEW                                              $8      'TestClass'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !1, $8
   18    12        ASSIGN_OBJ                                               !1, 'a'
         13        OP_DATA                                                  'abc'
   19    14        ASSIGN_OBJ                                               !1, 'b'
         15        OP_DATA                                                  <array>
   20    16        ASSIGN_OBJ                                               !1, 'c'
         17        OP_DATA                                                  123456
   22    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'spl_object_hash'
         20        SEND_VAR                                                 !0
         21        DO_ICALL                                         $14     
         22        INIT_ARRAY                                       ~15     $14
         23        INIT_FCALL                                               'spl_object_hash'
         24        SEND_VAR                                                 !1
         25        DO_ICALL                                         $16     
         26        ADD_ARRAY_ELEMENT                                ~15     $16
         27        SEND_VAL                                                 ~15
         28        DO_ICALL                                                 
   24    29        INIT_FCALL                                               'var_dump'
         30        IS_EQUAL                                         ~18     !0, !1
         31        SEND_VAL                                                 ~18
         32        DO_ICALL                                                 
   25    33        INIT_FCALL                                               'var_dump'
         34        IS_IDENTICAL                                     ~20     !0, !1
         35        SEND_VAL                                                 ~20
         36        DO_ICALL                                                 
         37      > RETURN                                                   1

Class TestClass: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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