3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait base_trait { protected $prop = []; function __construct() { var_dump($this->prop); } } class base_class { use base_trait; } class test_class_property extends base_class { protected $prop = ['a' => 'b']; } trait overlay_trait { protected $prop = ['a' => 'b']; } class test_class_overlay extends base_class { use overlay_trait; } new base_class; new test_class_property; new test_class_overlay;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7qdmA
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   DECLARE_CLASS                                            'base_class'
   18     1        DECLARE_CLASS                                            'test_class_property', 'base_class'
   29     2        DECLARE_CLASS                                            'test_class_overlay', 'base_class'
   35     3        NEW                                              $0      'base_class'
          4        DO_FCALL                                      0          
          5        FREE                                                     $0
   36     6        NEW                                              $2      'test_class_property'
          7        DO_FCALL                                      0          
          8        FREE                                                     $2
   37     9        NEW                                              $4      'test_class_overlay'
         10        DO_FCALL                                      0          
         11        FREE                                                     $4
         12      > RETURN                                                   1

Class base_trait:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7qdmA
function name:  __construct
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_OBJ_R                                      ~0      'prop'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
   10     4      > RETURN                                                   null

End of function __construct

End of class base_trait.

Class base_class: [no user functions]
Class test_class_property: [no user functions]
Class overlay_trait: [no user functions]
Class test_class_overlay: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
141.66 ms | 1002 KiB | 14 Q