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<?php $fn = $foo(...); var_dump($fn('strlen'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UWfCn
function name:  (null)
number of ops:  10
compiled vars:  !0 = $fn, !1 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_DYNAMIC_CALL                                            !1
          1        CALLABLE_CONVERT                                     ~2      
          2        ASSIGN                                                       !0, ~2
    5     3        INIT_FCALL                                                   'var_dump'
          4        INIT_DYNAMIC_CALL                                            !0
          5        SEND_VAL_EX                                                  'strlen'
          6        DO_FCALL                                          0  $4      
          7        SEND_VAR                                                     $4
          8        DO_ICALL                                                     
          9      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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