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<?php class Foo { private $bar = 'baz'; } class Qwe extends Foo { public function qwerty() { $reader = function & ($object, $property) { $value = & Closure::bind(function & () use ($property) { return $this->$property; }, $object, $object)->__invoke(); return $value; }; $bar = & $reader($this, 'bar'); var_dump($bar); } } $q = new Qwe(); $q->qwerty();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lRqmE
function name:  (null)
number of ops:  6
compiled vars:  !0 = $q
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   NEW                                              $1      'Qwe'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   30     3        INIT_METHOD_CALL                                         !0, 'qwerty'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FlRqmE%3A13%240:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/lRqmE
function name:  {closure}
number of ops:  14
compiled vars:  !0 = $object, !1 = $property, !2 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   14     2        INIT_STATIC_METHOD_CALL                                  'Closure', 'bind'
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FlRqmE%3A14%241'
          4        BIND_LEXICAL                                             ~3, !1
   16     5        SEND_VAL                                                 ~3
          6        SEND_VAR                                                 !0
          7        SEND_VAR                                                 !0
          8        DO_FCALL                                      0  $4      
          9        INIT_METHOD_CALL                                         $4, '__invoke'
         10        DO_FCALL                                      0  $5      
         11        ASSIGN_REF                                               !2, $5
   18    12      > RETURN_BY_REF                                            !2
   19    13*     > RETURN_BY_REF                                            null

End of function %00%7Bclosure%7D%2Fin%2FlRqmE%3A13%240

Function %00%7Bclosure%7D%2Fin%2FlRqmE%3A14%241:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/lRqmE
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $property
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   BIND_STATIC                                              !0
   15     1        FETCH_THIS                                       $1      
          2        FETCH_OBJ_W                                      $2      $1, !0
          3      > RETURN_BY_REF                                            $2
   16     4*     > RETURN_BY_REF                                            null

End of function %00%7Bclosure%7D%2Fin%2FlRqmE%3A14%241

Class Foo: [no user functions]
Class Qwe:
Function qwerty:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lRqmE
function name:  qwerty
number of ops:  12
compiled vars:  !0 = $reader, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FlRqmE%3A13%240'
          1        ASSIGN                                                   !0, ~2
   21     2        INIT_DYNAMIC_CALL                                        !0
          3        FETCH_THIS                                       $4      
          4        SEND_VAR_EX                                              $4
          5        SEND_VAL_EX                                              'bar'
          6        DO_FCALL                                      0  $5      
          7        ASSIGN_REF                                               !1, $5
   23     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
   24    11      > RETURN                                                   null

End of function qwerty

End of class Qwe.

Generated using Vulcan Logic Dumper, using php 8.0.0


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