3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = (object) array('a' => 1); $bar = $foo; $bar->a = 2; echo $foo->a;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eb5AE
function name:  (null)
number of ops:  8
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   CAST                                          8  ~2      <array>
          1        ASSIGN                                                   !0, ~2
    3     2        ASSIGN                                                   !1, !0
    4     3        ASSIGN_OBJ                                               !1, 'a'
          4        OP_DATA                                                  2
    5     5        FETCH_OBJ_R                                      ~6      !0, 'a'
          6        ECHO                                                     ~6
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.14 ms | 1392 KiB | 13 Q