3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $username = $_GET['user'] ?? 'nobody';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pouiD
function name:  (null)
number of ops:  7
compiled vars:  !0 = $username
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_IS                                         ~1      '_GET'
          1        FETCH_DIM_IS                                     ~2      ~1, 'user'
          2        COALESCE                                         ~3      ~2
          3        QM_ASSIGN                                        ~3      'nobody'
          4        ASSIGN                                           ~4      !0, ~3
          5        ECHO                                                     ~4
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.59 ms | 1392 KiB | 13 Q