3v4l.org

run code in 500+ PHP versions simultaneously
<?php class foo { private $bar; public function __construct() { $this->bar = new bar(); } public function & __get($key) { $bar = $this->bar; return $bar; } } class bar { public $onBaz = []; } $foo = new foo(); $foo->bar->onBaz[] = function() {}; var_dump($foo->bar->onBaz);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GBpN8
function name:  (null)
number of ops:  14
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   17     0  E >   NEW                                                  $1      'foo'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
   18     3        DECLARE_LAMBDA_FUNCTION                              ~7      [0]
          4        FETCH_OBJ_W                                          $4      !0, 'bar'
          5        FETCH_OBJ_W                                          $5      $4, 'onBaz'
          6        ASSIGN_DIM                                                   $5
          7        OP_DATA                                                      ~7
   19     8        INIT_FCALL                                                   'var_dump'
          9        FETCH_OBJ_R                                          ~8      !0, 'bar'
         10        FETCH_OBJ_R                                          ~9      ~8, 'onBaz'
         11        SEND_VAL                                                     ~9
         12        DO_ICALL                                                     
         13      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GBpN8
function name:  {closure:/in/GBpN8:18}
number of ops:  1
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E > > RETURN                                                       null

End of Dynamic Function 0

Class foo:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GBpN8
function name:  __construct
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   NEW                                                  $1      'bar'
          1        DO_FCALL                                          0          
          2        ASSIGN_OBJ                                                   'bar'
          3        OP_DATA                                                      $1
    8     4      > RETURN                                                       null

End of function __construct

Function __get:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/GBpN8
function name:  __get
number of ops:  5
compiled vars:  !0 = $key, !1 = $bar
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   RECV                                                 !0      
   11     1        FETCH_OBJ_R                                          ~2      'bar'
          2        ASSIGN                                                       !1, ~2
   12     3      > RETURN_BY_REF                                                !1
   13     4*     > RETURN_BY_REF                                                null

End of function __get

End of class foo.

Class bar: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
167.28 ms | 2638 KiB | 14 Q