3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a1'; $b = +$a; var_dump($b, (int)$a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FGWFD
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a1'
    4     1        MUL                                              ~3      !0, 1
          2        ASSIGN                                                   !1, ~3
    5     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !1
          5        CAST                                          4  ~5      !0
          6        SEND_VAL                                                 ~5
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.07 ms | 1393 KiB | 15 Q