3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{} $a = "1.2"; var_dump(~"1.2", ~1.2, ~false, ~true);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Kidii
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, '1.2'
    5     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAL                                                 '%CE%D1%CD'
          3        SEND_VAL                                                 -2
          4        BW_NOT                                           ~2      <false>
          5        SEND_VAL                                                 ~2
          6        BW_NOT                                           ~3      <true>
          7        SEND_VAL                                                 ~3
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Class A: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
175 ms | 1393 KiB | 15 Q