3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); echo $arr["hi"] == null;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GJZf7
function name:  (null)
number of ops:  5
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        FETCH_DIM_R                                      ~2      !0, 'hi'
          2        IS_EQUAL                                         ~3      ~2, null
          3        ECHO                                                     ~3
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.02 ms | 1392 KiB | 13 Q