3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($_GET['user'] ?? 'nobody');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CG4v7
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_IS                                         ~0      '_GET'
          2        FETCH_DIM_IS                                     ~1      ~0, 'user'
          3        COALESCE                                         ~2      ~1
          4        QM_ASSIGN                                        ~2      'nobody'
          5        SEND_VAL                                                 ~2
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
167.53 ms | 1394 KiB | 15 Q