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<?php function test() { var_dump(debug_backtrace()); } class A { public function test() { $func = function() { call_user_func('self::callTarget'); }; $func(); } public static function callTarget() { echo 'hello'; } } class B extends A {} $a = new B; $a->test();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   22     3        INIT_METHOD_CALL                                         !0, 'test'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  test
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'debug_backtrace'
          2        DO_ICALL                                         $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
    5     5      > RETURN                                                   null

End of function test

Function %00%7Bclosure%7D%2Fin%2FcAPP4%3A9%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  {closure}
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_USER_CALL                                0          'call_user_func', 'self%3A%3AcallTarget'
          1        DO_FCALL                                      0          
   11     2      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FcAPP4%3A9%240

Class A:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  test
number of ops:  5
compiled vars:  !0 = $func
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FcAPP4%3A9%240'
          1        ASSIGN                                                   !0, ~1
   12     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0          
   13     4      > RETURN                                                   null

End of function test

Function calltarget:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  callTarget
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   ECHO                                                     'hello'
   16     1      > RETURN                                                   null

End of function calltarget

End of class A.

Class B:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  test
number of ops:  5
compiled vars:  !0 = $func
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FcAPP4%3A9%240'
          1        ASSIGN                                                   !0, ~1
   12     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0          
   13     4      > RETURN                                                   null

End of function test

Function calltarget:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cAPP4
function name:  callTarget
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   ECHO                                                     'hello'
   16     1      > RETURN                                                   null

End of function calltarget

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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