3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (isset($foo) && $LEL) { echo 'True'; } else { echo 'False'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 2, Position 2 = 3
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
filename:       /in/WqUBW
function name:  (null)
number of ops:  8
compiled vars:  !0 = $foo, !1 = $LEL
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ISSET_ISEMPTY_CV                                 ~2      !0
          1      > JMPZ_EX                                          ~2      ~2, ->3
          2    >   BOOL                                             ~2      !1
          3    > > JMPZ                                                     ~2, ->6
    4     4    >   ECHO                                                     'True'
          5      > JMP                                                      ->7
    6     6    >   ECHO                                                     'False'
    7     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.61 ms | 1393 KiB | 13 Q