3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); $a->foo = 'bar'; $b = array( 'obj' => $a ); echo $b['obj']->foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FfQpt
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'StdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    3     3        ASSIGN_OBJ                                               !0, 'foo'
          4        OP_DATA                                                  'bar'
    6     5        INIT_ARRAY                                       ~6      !0, 'obj'
    5     6        ASSIGN                                                   !1, ~6
    9     7        FETCH_DIM_R                                      ~8      !1, 'obj'
          8        FETCH_OBJ_R                                      ~9      ~8, 'foo'
          9        ECHO                                                     ~9
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.49 ms | 1392 KiB | 13 Q