3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1 + true; $b = 1 + false; echo $a . ' ' . $b;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q7IlM
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 2
    3     1        ASSIGN                                                   !1, 1
    4     2        CONCAT                                           ~4      !0, '+'
          3        CONCAT                                           ~5      ~4, !1
          4        ECHO                                                     ~5
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.46 ms | 1392 KiB | 13 Q