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<?php declare(strict_types=1); function f( string $name = null, Nette\Caching\Storage $storage ) {} $p = (new ReflectionFunction('f'))->getParameters()[0]; var_dump($p->isOptional()); var_dump($p->isDefaultValueAvailable());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QsJn4
function name:  (null)
number of ops:  18
compiled vars:  !0 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   NEW                                              $1      'ReflectionFunction'
          1        SEND_VAL_EX                                              'f'
          2        DO_FCALL                                      0          
          3        INIT_METHOD_CALL                                         $1, 'getParameters'
          4        DO_FCALL                                      0  $3      
          5        FETCH_DIM_R                                      ~4      $3, 0
          6        ASSIGN                                                   !0, ~4
   12     7        INIT_FCALL                                               'var_dump'
          8        INIT_METHOD_CALL                                         !0, 'isOptional'
          9        DO_FCALL                                      0  $6      
         10        SEND_VAR                                                 $6
         11        DO_ICALL                                                 
   13    12        INIT_FCALL                                               'var_dump'
         13        INIT_METHOD_CALL                                         !0, 'isDefaultValueAvailable'
         14        DO_FCALL                                      0  $8      
         15        SEND_VAR                                                 $8
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QsJn4
function name:  f
number of ops:  3
compiled vars:  !0 = $name, !1 = $storage
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV_INIT                                        !0      null
          1        RECV                                             !1      
    8     2      > RETURN                                                   null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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