3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('null', true); var_dump(null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CE4r5
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'null'
          2        SEND_VAL                                                 <true>
          3        DO_ICALL                                                 
    5     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAL                                                 null
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
167.12 ms | 1385 KiB | 17 Q