3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$_POST['test'] = 1; var_dump(isset($_POST['test']->foo[$bar->ddd], $f->fdff));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/Yl4FP
function name:  (null)
number of ops:  12
compiled vars:  !0 = $bar, !1 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_OBJ_R                                      ~5      !0, 'ddd'
          2        FETCH_IS                                         ~2      '_POST'
          3        FETCH_DIM_IS                                     ~3      ~2, 'test'
          4        FETCH_OBJ_IS                                     ~4      ~3, 'foo'
          5        ISSET_ISEMPTY_DIM_OBJ                         0  ~6      ~4, ~5
          6      > JMPZ_EX                                          ~6      ~6, ->9
          7    >   ISSET_ISEMPTY_PROP_OBJ                           ~7      !1, 'fdff'
          8        BOOL                                             ~6      ~7
          9    >   SEND_VAL                                                 ~6
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.87 ms | 1394 KiB | 15 Q