3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; $x['a']['b'] = 'c';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t4DVp
function name:  (null)
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        FETCH_DIM_W                                      $2      !0, 'a'
          2        ASSIGN_DIM                                               $2, 'b'
          3        OP_DATA                                                  'c'
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.69 ms | 1392 KiB | 13 Q