3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'b'; $s--; $r = 'a'; $r++;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q5Fp3
function name:  (null)
number of ops:  5
compiled vars:  !0 = $s, !1 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'b'
    4     1        PRE_DEC                                                  !0
    6     2        ASSIGN                                                   !1, 'a'
    7     3        PRE_INC                                                  !1
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
133.93 ms | 992 KiB | 13 Q