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<?php class A { protected static $foo = 'foo'; public function saySelfFoo() { echo self::$foo . PHP_EOL; } public function sayStaticFoo() { echo static::$foo . PHP_EOL; } } class B extends A { protected static $foo = 'bar'; } $a = new A(); $b = new B(); $a->saySelfFoo(); $b->saySelfFoo(); $a->sayStaticFoo(); $b->sayStaticFoo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFhqp
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   24     0  E >   NEW                                              $2      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   25     3        NEW                                              $5      'B'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
   27     6        INIT_METHOD_CALL                                         !0, 'saySelfFoo'
          7        DO_FCALL                                      0          
   28     8        INIT_METHOD_CALL                                         !1, 'saySelfFoo'
          9        DO_FCALL                                      0          
   29    10        INIT_METHOD_CALL                                         !0, 'sayStaticFoo'
         11        DO_FCALL                                      0          
   30    12        INIT_METHOD_CALL                                         !1, 'sayStaticFoo'
         13        DO_FCALL                                      0          
         14      > RETURN                                                   1

Class A:
Function sayselffoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFhqp
function name:  saySelfFoo
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'foo'
          1        CONCAT                                           ~1      ~0, '%0A'
          2        ECHO                                                     ~1
   11     3      > RETURN                                                   null

End of function sayselffoo

Function saystaticfoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFhqp
function name:  sayStaticFoo
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'foo'
          1        CONCAT                                           ~1      ~0, '%0A'
          2        ECHO                                                     ~1
   16     3      > RETURN                                                   null

End of function saystaticfoo

End of class A.

Class B:
Function sayselffoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFhqp
function name:  saySelfFoo
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'foo'
          1        CONCAT                                           ~1      ~0, '%0A'
          2        ECHO                                                     ~1
   11     3      > RETURN                                                   null

End of function sayselffoo

Function saystaticfoo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HFhqp
function name:  sayStaticFoo
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'foo'
          1        CONCAT                                           ~1      ~0, '%0A'
          2        ECHO                                                     ~1
   16     3      > RETURN                                                   null

End of function saystaticfoo

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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