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<?php class A { public function __toString() { return '-'; } } class B {public function __toString() { return '-'; } } class C {public function __toString() { return '-'; } } $c = new C; var_dump(array_unique([$c, new A, new B, $c, new A]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UGCvB
function name:  (null)
number of ops:  24
compiled vars:  !0 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'a'
    4     1        DECLARE_CLASS                                            'b'
    5     2        DECLARE_CLASS                                            'c'
    7     3        NEW                                              $1      'C'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !0, $1
    9     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'array_unique'
          8        INIT_ARRAY                                       ~4      !0
          9        NEW                                              $5      'A'
         10        DO_FCALL                                      0          
         11        ADD_ARRAY_ELEMENT                                ~4      $5
         12        NEW                                              $7      'B'
         13        DO_FCALL                                      0          
         14        ADD_ARRAY_ELEMENT                                ~4      $7
         15        ADD_ARRAY_ELEMENT                                ~4      !0
         16        NEW                                              $9      'A'
         17        DO_FCALL                                      0          
         18        ADD_ARRAY_ELEMENT                                ~4      $9
         19        SEND_VAL                                                 ~4
         20        DO_ICALL                                         $11     
         21        SEND_VAR                                                 $11
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Class A:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UGCvB
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > RETURN                                                   '-'
          1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

End of class A.

Class B:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UGCvB
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   '-'
          1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

End of class B.

Class C:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UGCvB
function name:  __toString
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   '-'
          1*       VERIFY_RETURN_TYPE                                       
          2*     > RETURN                                                   null

End of function __tostring

End of class C.

Generated using Vulcan Logic Dumper, using php 8.0.0


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