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<?php class A { public static $a; final public static function setA($a) { self::$a = $a; } } class B extends A { } A::setA('a'); echo A::$a, "\n"; B::setA('b'); echo A::$a, "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TkRAr
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_STATIC_METHOD_CALL                                  'A', 'setA'
          1        SEND_VAL                                                 'a'
          2        DO_FCALL                                      0          
   16     3        FETCH_STATIC_PROP_R          unknown             ~1      'a'
          4        ECHO                                                     ~1
          5        ECHO                                                     '%0A'
   18     6        INIT_STATIC_METHOD_CALL                                  'B', 'setA'
          7        SEND_VAL                                                 'b'
          8        DO_FCALL                                      0          
   19     9        FETCH_STATIC_PROP_R          unknown             ~3      'a'
         10        ECHO                                                     ~3
         11        ECHO                                                     '%0A'
         12      > RETURN                                                   1

Class A:
Function seta:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TkRAr
function name:  setA
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
    8     1        ASSIGN_STATIC_PROP                                       'a'
          2        OP_DATA                                                  !0
    9     3      > RETURN                                                   null

End of function seta

End of class A.

Class B:
Function seta:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TkRAr
function name:  setA
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
    8     1        ASSIGN_STATIC_PROP                                       'a'
          2        OP_DATA                                                  !0
    9     3      > RETURN                                                   null

End of function seta

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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