3v4l.org

run code in 300+ PHP versions simultaneously
<?php isset($var, $var, $var);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
2 jumps found. (Code = 46) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
Branch analysis from position: 4
filename:       /in/39EQG
function name:  (null)
number of ops:  8
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ISSET_ISEMPTY_CV                                 ~1      !0
          1      > JMPZ_EX                                          ~1      ~1, ->4
          2    >   ISSET_ISEMPTY_CV                                 ~2      !0
          3        BOOL                                             ~1      ~2
          4    > > JMPZ_EX                                          ~1      ~1, ->7
          5    >   ISSET_ISEMPTY_CV                                 ~3      !0
          6        BOOL                                             ~1      ~3
          7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.75 ms | 1392 KiB | 13 Q