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<?php class c1 { private $callback; public function setFun($callback) { $this->callback = $callback; } public function fun() { ($this->callback)(); } } $n = new c1(); $n->setFun(function () { var_dump('this callback'); }); $n->fun();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4iFbZ
function name:  (null)
number of ops:  10
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   NEW                                              $1      'c1'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   16     3        INIT_METHOD_CALL                                         !0, 'setFun'
          4        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
   18     5        SEND_VAL_EX                                              ~4
   16     6        DO_FCALL                                      0          
   20     7        INIT_METHOD_CALL                                         !0, 'fun'
          8        DO_FCALL                                      0          
          9      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4iFbZ
function name:  {closure}
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   INIT_FCALL                                               'var_dump'
          1        SEND_VAL                                                 'this+callback'
          2        DO_ICALL                                                 
   18     3      > RETURN                                                   null

End of Dynamic Function 0

Class c1:
Function setfun:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4iFbZ
function name:  setFun
number of ops:  4
compiled vars:  !0 = $callback
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    7     1        ASSIGN_OBJ                                               'callback'
          2        OP_DATA                                                  !0
    8     3      > RETURN                                                   null

End of function setfun

Function fun:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4iFbZ
function name:  fun
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   FETCH_OBJ_R                                      ~0      'callback'
          1        INIT_DYNAMIC_CALL                                        ~0
          2        DO_FCALL                                      0          
   12     3      > RETURN                                                   null

End of function fun

End of class c1.

Generated using Vulcan Logic Dumper, using php 8.0.0


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