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<?php class Foo extends ReflectionClass { public function newInstance($arg=null, ...$args) { $args = \array_slice(\array_merge([$arg], $args), 0, \func_num_args()); return parent::newInstance(...$args); } } $foo = new Foo(Exception::class); $ex = $foo->newInstance('Test', 0); var_dump($ex);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eeVf8
function name:  (null)
number of ops:  13
compiled vars:  !0 = $foo, !1 = $ex
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   NEW                                                  $2      'Foo'
          1        SEND_VAL_EX                                                  'Exception'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $2
   13     4        INIT_METHOD_CALL                                             !0, 'newInstance'
          5        SEND_VAL_EX                                                  'Test'
          6        SEND_VAL_EX                                                  0
          7        DO_FCALL                                          0  $5      
          8        ASSIGN                                                       !1, $5
   14     9        INIT_FCALL                                                   'var_dump'
         10        SEND_VAR                                                     !1
         11        DO_ICALL                                                     
         12      > RETURN                                                       1

Class Foo:
Function newinstance:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eeVf8
function name:  newInstance
number of ops:  20
compiled vars:  !0 = $arg, !1 = $args
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   RECV_INIT                                            !0      null
          1        RECV_VARIADIC                                        !1      
    7     2        INIT_FCALL                                                   'array_slice'
          3        INIT_FCALL                                                   'array_merge'
          4        INIT_ARRAY                                           ~2      !0
          5        SEND_VAL                                                     ~2
          6        SEND_VAR                                                     !1
          7        DO_ICALL                                             $3      
          8        SEND_VAR                                                     $3
          9        SEND_VAL                                                     0
         10        FUNC_NUM_ARGS                                        ~4      
         11        SEND_VAL                                                     ~4
         12        DO_ICALL                                             $5      
         13        ASSIGN                                                       !1, $5
    8    14        INIT_STATIC_METHOD_CALL                                      'newInstance'
         15        SEND_UNPACK                                                  !1
         16        CHECK_UNDEF_ARGS                                             
         17        DO_FCALL                                          1  $7      
         18      > RETURN                                                       $7
    9    19*     > RETURN                                                       null

End of function newinstance

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.5.0


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