3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 4; if ($x-->2) { echo 'yup'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/QjGCL
function name:  (null)
number of ops:  6
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 4
    5     1        POST_DEC                                         ~2      !0
          2        IS_SMALLER                                               2, ~2
          3      > JMPZ                                                     ~3, ->5
    6     4    >   ECHO                                                     'yup'
    7     5    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
127.68 ms | 1396 KiB | 13 Q