3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo['bar'] = 1; echo $foo[bar];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/549Fo
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_DIM                                               !0, 'bar'
          1        OP_DATA                                                  1
    3     2        FETCH_CONSTANT                                   ~2      'bar'
          3        FETCH_DIM_R                                      ~3      !0, ~2
          4        ECHO                                                     ~3
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.12 ms | 1392 KiB | 13 Q