3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0b0; $b = $a.""; echo $a; echo $b;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/n26M4
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 0
    5     1        CONCAT                                           ~3      !0, ''
          2        ASSIGN                                                   !1, ~3
    7     3        ECHO                                                     !0
    8     4        ECHO                                                     !1
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
144.74 ms | 1396 KiB | 13 Q