3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = (bool)" "; echo $x;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1Kt8u
function name:  (null)
number of ops:  4
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   BOOL                                             ~1      '+'
          1        ASSIGN                                                   !0, ~1
    4     2        ECHO                                                     !0
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.66 ms | 1392 KiB | 13 Q