3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj->{123} = 456; $obj->{'456'} = 789; var_dump($obj->{123}, $obj->{'123'}, $obj->{456}, $obj->{'456'});
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EU8V0
function name:  (null)
number of ops:  15
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN_OBJ                                               !0, '123'
          1        OP_DATA                                                  456
    4     2        ASSIGN_OBJ                                               !0, '456'
          3        OP_DATA                                                  789
    5     4        INIT_FCALL                                               'var_dump'
          5        FETCH_OBJ_R                                      ~3      !0, '123'
          6        SEND_VAL                                                 ~3
          7        FETCH_OBJ_R                                      ~4      !0, '123'
          8        SEND_VAL                                                 ~4
          9        FETCH_OBJ_R                                      ~5      !0, '456'
         10        SEND_VAL                                                 ~5
         11        FETCH_OBJ_R                                      ~6      !0, '456'
         12        SEND_VAL                                                 ~6
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.47 ms | 1394 KiB | 15 Q