3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a === null && print(123);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
filename:       /in/o7SOn
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   TYPE_CHECK                                    2  ~1      !0
          1      > JMPZ_EX                                          ~1      ~1, ->4
          2    >   ECHO                                                     123
          3        BOOL                                             ~1      1
          4    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.66 ms | 1383 KiB | 13 Q