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<?php $someVar = false; call_user_func(function() use (& $someVar) { $someVar = true; }); var_dump($someVar);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Vfp70
function name:  (null)
number of ops:  9
compiled vars:  !0 = $someVar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <false>
    5     1        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          2        BIND_LEXICAL                                             ~2, !0
    7     3        INIT_USER_CALL                                0          'call_user_func', ~2
          4        DO_FCALL                                      0          
    9     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > 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/Vfp70
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $someVar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   BIND_STATIC                                              !0
    6     1        ASSIGN                                                   !0, <true>
    7     2      > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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