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<?php class Foo { private $bar; public static function make() { $foo = new static; $foo->bar = 'Hello World!'; return $foo; } public function getBar() { return $this->bar; } } var_dump(Foo::make()->getBar());
based on nDDLU
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nR9eA
function name:  (null)
number of ops:  9
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   NOP                                                      
  21     1        INIT_FCALL                                               'var_dump'
         2        INIT_STATIC_METHOD_CALL                                  'Foo', 'make'
         3        DO_FCALL                                      0  $1      
         4        INIT_METHOD_CALL                                         $1, 'getBar'
         5        DO_FCALL                                      0  $2      
         6        SEND_VAR                                                 $2
         7        DO_ICALL                                                 
         8      > RETURN                                                   1

Class Foo:
Function make:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nR9eA
function name:  make
number of ops:  7
compiled vars:  !0 = $foo
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   9     0  E >   NEW                                              $1      :27
         1        DO_FCALL                                      0          
         2        ASSIGN                                                   !0, $1
  10     3        ASSIGN_OBJ                                               !0, 'bar'
         4        OP_DATA                                                  'Hello+World%21'
  12     5      > RETURN                                                   !0
  13     6*     > RETURN                                                   null

End of function make

Function getbar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nR9eA
function name:  getBar
number of ops:  3
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  17     0  E >   FETCH_OBJ_R                                      ~0      'bar'
         1      > RETURN                                                   ~0
  18     2*     > RETURN                                                   null

End of function getbar

End of class Foo.

Generated using Vulcan Logic Dumper, using php 7.3.0