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<?php class A { public static $data = ['a']; public static function getData() { $result = static::$data; $class = get_called_class(); while ($class = get_parent_class($class)) { $result = array_merge($result, $class::$data); } return $result; } } class B extends A { public static $data = ['b']; } class C extends B { public static $data = ['c']; } class D extends C { public static $data = ['d']; } var_dump(A::getData()); var_dump(B::getData()); var_dump(C::getData()); var_dump(D::getData());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/32MrN
function name:  (null)
number of ops:  21
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   34     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_STATIC_METHOD_CALL                                  'A', 'getData'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
   35     5        INIT_FCALL                                               'var_dump'
          6        INIT_STATIC_METHOD_CALL                                  'B', 'getData'
          7        DO_FCALL                                      0  $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                                 
   36    10        INIT_FCALL                                               'var_dump'
         11        INIT_STATIC_METHOD_CALL                                  'C', 'getData'
         12        DO_FCALL                                      0  $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                                 
   37    15        INIT_FCALL                                               'var_dump'
         16        INIT_STATIC_METHOD_CALL                                  'D', 'getData'
         17        DO_FCALL                                      0  $6      
         18        SEND_VAR                                                 $6
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Class A:
Function getdata:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
Branch analysis from position: 5
filename:       /in/32MrN
function name:  getData
number of ops:  19
compiled vars:  !0 = $result, !1 = $class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   FETCH_STATIC_PROP_R          unknown             ~2      'data'
          1        ASSIGN                                                   !0, ~2
   10     2        GET_CALLED_CLASS                                 ~4      
          3        ASSIGN                                                   !1, ~4
   11     4      > JMP                                                      ->12
   12     5    >   INIT_FCALL                                               'array_merge'
          6        SEND_VAR                                                 !0
          7        FETCH_CLASS                                   0  $6      !1
          8        FETCH_STATIC_PROP_R          unknown             ~7      'data'
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                         $8      
         11        ASSIGN                                                   !0, $8
   11    12    >   INIT_FCALL                                               'get_parent_class'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                         $10     
         15        ASSIGN                                           ~11     !1, $10
         16      > JMPNZ                                                    ~11, ->5
   15    17    > > RETURN                                                   !0
   16    18*     > RETURN                                                   null

End of function getdata

End of class A.

Class B:
Function getdata:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
Branch analysis from position: 5
filename:       /in/32MrN
function name:  getData
number of ops:  19
compiled vars:  !0 = $result, !1 = $class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   FETCH_STATIC_PROP_R          unknown             ~2      'data'
          1        ASSIGN                                                   !0, ~2
   10     2        GET_CALLED_CLASS                                 ~4      
          3        ASSIGN                                                   !1, ~4
   11     4      > JMP                                                      ->12
   12     5    >   INIT_FCALL                                               'array_merge'
          6        SEND_VAR                                                 !0
          7        FETCH_CLASS                                   0  $6      !1
          8        FETCH_STATIC_PROP_R          unknown             ~7      'data'
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                         $8      
         11        ASSIGN                                                   !0, $8
   11    12    >   INIT_FCALL                                               'get_parent_class'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                         $10     
         15        ASSIGN                                           ~11     !1, $10
         16      > JMPNZ                                                    ~11, ->5
   15    17    > > RETURN                                                   !0
   16    18*     > RETURN                                                   null

End of function getdata

End of class B.

Class C:
Function getdata:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
Branch analysis from position: 5
filename:       /in/32MrN
function name:  getData
number of ops:  19
compiled vars:  !0 = $result, !1 = $class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   FETCH_STATIC_PROP_R          unknown             ~2      'data'
          1        ASSIGN                                                   !0, ~2
   10     2        GET_CALLED_CLASS                                 ~4      
          3        ASSIGN                                                   !1, ~4
   11     4      > JMP                                                      ->12
   12     5    >   INIT_FCALL                                               'array_merge'
          6        SEND_VAR                                                 !0
          7        FETCH_CLASS                                   0  $6      !1
          8        FETCH_STATIC_PROP_R          unknown             ~7      'data'
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                         $8      
         11        ASSIGN                                                   !0, $8
   11    12    >   INIT_FCALL                                               'get_parent_class'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                         $10     
         15        ASSIGN                                           ~11     !1, $10
         16      > JMPNZ                                                    ~11, ->5
   15    17    > > RETURN                                                   !0
   16    18*     > RETURN                                                   null

End of function getdata

End of class C.

Class D:
Function getdata:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 5
Branch analysis from position: 17
Branch analysis from position: 5
filename:       /in/32MrN
function name:  getData
number of ops:  19
compiled vars:  !0 = $result, !1 = $class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   FETCH_STATIC_PROP_R          unknown             ~2      'data'
          1        ASSIGN                                                   !0, ~2
   10     2        GET_CALLED_CLASS                                 ~4      
          3        ASSIGN                                                   !1, ~4
   11     4      > JMP                                                      ->12
   12     5    >   INIT_FCALL                                               'array_merge'
          6        SEND_VAR                                                 !0
          7        FETCH_CLASS                                   0  $6      !1
          8        FETCH_STATIC_PROP_R          unknown             ~7      'data'
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                         $8      
         11        ASSIGN                                                   !0, $8
   11    12    >   INIT_FCALL                                               'get_parent_class'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                         $10     
         15        ASSIGN                                           ~11     !1, $10
         16      > JMPNZ                                                    ~11, ->5
   15    17    > > RETURN                                                   !0
   16    18*     > RETURN                                                   null

End of function getdata

End of class D.

Generated using Vulcan Logic Dumper, using php 8.0.0


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