3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { static function foo() { $f = function() { return static::class; }; return $f(); } } class B extends A {} var_dump(B::foo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/105nh
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_STATIC_METHOD_CALL                                      'B', 'foo'
          2        DO_FCALL                                          0  $0      
          3        SEND_VAR                                                     $0
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/105nh
function name:  foo
number of ops:  6
compiled vars:  !0 = $f
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   DECLARE_LAMBDA_FUNCTION                              ~1      [0]
          1        ASSIGN                                                       !0, ~1
    8     2        INIT_DYNAMIC_CALL                                            !0
          3        DO_FCALL                                          0  $3      
          4      > RETURN                                                       $3
    9     5*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/105nh
function name:  {closure:A::foo():5}
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   FETCH_CLASS_NAME                                     ~0      
          1      > RETURN                                                       ~0
    7     2*     > RETURN                                                       null

End of Dynamic Function 0

End of function foo

End of class A.

Class B:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/105nh
function name:  foo
number of ops:  6
compiled vars:  !0 = $f
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   DECLARE_LAMBDA_FUNCTION                              ~1      [0]
          1        ASSIGN                                                       !0, ~1
    8     2        INIT_DYNAMIC_CALL                                            !0
          3        DO_FCALL                                          0  $3      
          4      > RETURN                                                       $3
    9     5*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/105nh
function name:  {closure:A::foo():5}
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   FETCH_CLASS_NAME                                     ~0      
          1      > RETURN                                                       ~0
    7     2*     > RETURN                                                       null

End of Dynamic Function 0

End of function foo

End of class B.

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
170.59 ms | 3077 KiB | 14 Q