3v4l.org

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

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.2 ms | 1392 KiB | 13 Q