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<?php $a = function(&$a){}; $ref = new ReflectionFunction($a); echo $ref->getParameters()[0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cgsNq
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $ref
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FcgsNq%3A3%240'
          1        ASSIGN                                                   !0, ~2
    5     2        NEW                                              $4      'ReflectionFunction'
          3        SEND_VAR_EX                                              !0
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $4
    6     6        INIT_METHOD_CALL                                         !1, 'getParameters'
          7        DO_FCALL                                      0  $7      
          8        FETCH_DIM_R                                      ~8      $7, 0
          9        ECHO                                                     ~8
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FcgsNq%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cgsNq
function name:  {closure}
number of ops:  2
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FcgsNq%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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