3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ($foo = true) { echo 'true'; } if ($foo = false) { echo 'false'; } if ($foo = null) { echo 'null'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 3
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 9
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
Branch analysis from position: 6
Branch analysis from position: 3
filename:       /in/6fGmc
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                           ~1      !0, <true>
          1      > JMPZ                                                     ~1, ->3
    4     2    >   ECHO                                                     'true'
    7     3    >   ASSIGN                                           ~2      !0, <false>
          4      > JMPZ                                                     ~2, ->6
    8     5    >   ECHO                                                     'false'
   11     6    >   ASSIGN                                           ~3      !0, null
          7      > JMPZ                                                     ~3, ->9
   12     8    >   ECHO                                                     'null'
   13     9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
145.79 ms | 1384 KiB | 13 Q