3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('Test' => 'firstUP', 'test' => 'allNORMAL', 'TEST' => 'allUP'); print $arr['test'] . $arr['Test'] . $arr['TEST'];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o8joN
function name:  (null)
number of ops:  8
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        FETCH_DIM_R                                      ~2      !0, 'test'
          2        FETCH_DIM_R                                      ~3      !0, 'Test'
          3        CONCAT                                           ~4      ~2, ~3
          4        FETCH_DIM_R                                      ~5      !0, 'TEST'
          5        CONCAT                                           ~6      ~4, ~5
          6        ECHO                                                     ~6
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.35 ms | 1397 KiB | 13 Q