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<?php $fn = function ($foo) { return $foo($foo); }; var_dump($fn('strlen'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/48UWR
function name:  (null)
number of ops:  9
compiled vars:  !0 = $fn
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                              ~1      [0]
          1        ASSIGN                                                       !0, ~1
    8     2        INIT_FCALL                                                   'var_dump'
          3        INIT_DYNAMIC_CALL                                            !0
          4        SEND_VAL_EX                                                  'strlen'
          5        DO_FCALL                                          0  $3      
          6        SEND_VAR                                                     $3
          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/48UWR
function name:  {closure:/in/48UWR:3}
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    5     1        INIT_DYNAMIC_CALL                                            !0
          2        SEND_VAR_EX                                                  !0
          3        DO_FCALL                                          0  $1      
          4      > RETURN                                                       $1
    6     5*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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