3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('derp'=>'test'); $d = $arr['derp'] | false; echo $d;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lTBem
function name:  (null)
number of ops:  6
compiled vars:  !0 = $arr, !1 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        FETCH_DIM_R                                      ~3      !0, 'derp'
          2        BW_OR                                            ~4      ~3, <false>
          3        ASSIGN                                                   !1, ~4
    5     4        ECHO                                                     !1
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
180.94 ms | 1396 KiB | 13 Q