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<?php trait A { protected static $_a; public static function setA($a) { self::$_a = $a; } public static function getA() { return self::$_a; } } class B { use A; public function __construct() { var_dump(self::$_a); } } A::setA('AAAA'); new B(); B::setA('BBBB'); new B(); echo A::getA(); echo B::getA();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u7BPu
function name:  (null)
number of ops:  20
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   DECLARE_CLASS                                            'b'
   27     1        INIT_STATIC_METHOD_CALL                                  'A', 'setA'
          2        SEND_VAL                                                 'AAAA'
          3        DO_FCALL                                      0          
   29     4        NEW                                              $1      'B'
          5        DO_FCALL                                      0          
          6        FREE                                                     $1
   31     7        INIT_STATIC_METHOD_CALL                                  'B', 'setA'
          8        SEND_VAL_EX                                              'BBBB'
          9        DO_FCALL                                      0          
   33    10        NEW                                              $4      'B'
         11        DO_FCALL                                      0          
         12        FREE                                                     $4
   35    13        INIT_STATIC_METHOD_CALL                                  'A', 'getA'
         14        DO_FCALL                                      0  $6      
         15        ECHO                                                     $6
   37    16        INIT_STATIC_METHOD_CALL                                  'B', 'getA'
         17        DO_FCALL                                      0  $7      
         18        ECHO                                                     $7
         19      > RETURN                                                   1

Class A:
Function seta:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u7BPu
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

Function geta:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u7BPu
function name:  getA
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      '_a'
          1      > RETURN                                                   ~0
   14     2*     > RETURN                                                   null

End of function geta

End of class A.

Class B:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u7BPu
function name:  __construct
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   23     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_STATIC_PROP_R          global lock         ~0      '_a'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
   24     4      > RETURN                                                   null

End of function __construct

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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