3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1]; $b = $a['test']; echo $b ;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4o6ge
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        FETCH_DIM_R                                      ~3      !0, 'test'
          2        ASSIGN                                                   !1, ~3
    5     3        ECHO                                                     !1
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.66 ms | 940 KiB | 13 Q