3v4l.org

run code in 300+ PHP versions simultaneously
<?php $h = 0; echo ($h >> 20); echo $h ^ ($h >> 7) ^ ($h >> 4);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Hdmc3
function name:  (null)
number of ops:  9
compiled vars:  !0 = $h
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
    3     1        SR                                               ~2      !0, 20
          2        ECHO                                                     ~2
    4     3        SR                                               ~3      !0, 7
          4        BW_XOR                                           ~4      !0, ~3
          5        SR                                               ~5      !0, 4
          6        BW_XOR                                           ~6      ~4, ~5
          7        ECHO                                                     ~6
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.55 ms | 1392 KiB | 13 Q