3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x=1; $y=2; $son=$y; echo $y+$son; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aCQuQ
function name:  (null)
number of ops:  6
compiled vars:  !0 = $x, !1 = $y, !2 = $son
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 1
    4     1        ASSIGN                                                   !1, 2
    5     2        ASSIGN                                                   !2, !1
    7     3        ADD                                              ~6      !1, !2
          4        ECHO                                                     ~6
   13     5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.17 ms | 1392 KiB | 13 Q