3v4l.org

run code in 500+ PHP versions simultaneously
<?php $foo = null; var_dump($foo instanceof DoesNotExist);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WvBde
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, null
    4     1        INIT_FCALL                                                   'var_dump'
          2        INSTANCEOF                                           ~2      !0, 'DoesNotExist'
          3        SEND_VAL                                                     ~2
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
161.28 ms | 3299 KiB | 13 Q