3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass { public static $var = 'yay!'; public $childClass; public function __construct() { $this->childClass = new ChildClass(); } } class ChildClass { public static $var = 'yay?'; } $obj = new MyClass(); echo $obj::$var; // works echo $obj->childClass::$var; // syntax error ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ad03D
function name:  (null)
number of ops:  11
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   NEW                                              $1      'MyClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   24     3        FETCH_CLASS                                   0  $4      !0
          4        FETCH_STATIC_PROP_R          global lock         ~5      'var'
          5        ECHO                                                     ~5
   25     6        FETCH_OBJ_R                                      ~6      !0, 'childClass'
          7        FETCH_CLASS                                   0  $7      ~6
          8        FETCH_STATIC_PROP_R          unknown             ~8      'var'
          9        ECHO                                                     ~8
   27    10      > RETURN                                                   1

Class MyClass:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ad03D
function name:  __construct
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'ChildClass'
          1        DO_FCALL                                      0          
          2        ASSIGN_OBJ                                               'childClass'
          3        OP_DATA                                                  $1
   12     4      > RETURN                                                   null

End of function __construct

End of class MyClass.

Class ChildClass: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.76 ms | 1385 KiB | 13 Q