3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $a = 2; } class B extends A { //private $a; protected $a = 3; public function square() { echo $this->a * parent::$a(); } } $obj = new B(); $obj->square ();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/c5pEj
function name:  (null)
number of ops:  6
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   15     3        INIT_METHOD_CALL                                         !0, 'square'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Class A: [no user functions]
Class B:
Function square:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/c5pEj
function name:  square
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   FETCH_OBJ_R                                      ~1      'a'
          1        INIT_STATIC_METHOD_CALL                                  !0
          2        DO_FCALL                                      0  $2      
          3        MUL                                              ~3      $2, ~1
          4        ECHO                                                     ~3
   11     5      > RETURN                                                   null

End of function square

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.17 ms | 1397 KiB | 13 Q