3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i = 0; $i < 18; $i += 2) { echo $i . " "; echo ($i + 1) . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 2
Branch analysis from position: 10
Branch analysis from position: 2
filename:       /in/0s1QU
function name:  (null)
number of ops:  11
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->8
    4     2    >   CONCAT                                           ~2      !0, '+'
          3        ECHO                                                     ~2
    5     4        ADD                                              ~3      !0, 1
          5        CONCAT                                           ~4      ~3, '%0A'
          6        ECHO                                                     ~4
    3     7        ASSIGN_OP                                     1          !0, 2
          8    >   IS_SMALLER                                               !0, 18
          9      > JMPNZ                                                    ~6, ->2
    6    10    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.41 ms | 1384 KiB | 13 Q