3v4l.org

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

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
124.92 ms | 1440 KiB | 13 Q