3v4l.org

run code in 500+ PHP versions simultaneously
<?=PHP_OS==Linux;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ra15J
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    1     0  E >   FETCH_CONSTANT                                       ~0      'Linux'
          1        IS_EQUAL                                             ~1      ~0, 'Linux'
          2        ECHO                                                         ~1
          3      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
215.12 ms | 2218 KiB | 13 Q