3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = ''; for ($i = 50; $i > 0; $i--) { $str .= 'S. '; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/hDOiJ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $str, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        ASSIGN                                                   !1, 50
          2      > JMP                                                      ->5
    5     3    >   ASSIGN_OP                                     8          !0, 'S.+'
    4     4        PRE_DEC                                                  !1
          5    >   IS_SMALLER                                               0, !1
          6      > JMPNZ                                                    ~6, ->3
    6     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
171.57 ms | 1392 KiB | 13 Q