3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0;$i<=99;$i++) { echo (100-$i); }
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 = 2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 2
Branch analysis from position: 7
Branch analysis from position: 2
filename:       /in/SoqIA
function name:  (null)
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->5
    4     2    >   SUB                                              ~2      100, !0
          3        ECHO                                                     ~2
    2     4        PRE_INC                                                  !0
          5    >   IS_SMALLER_OR_EQUAL                                      !0, 99
          6      > JMPNZ                                                    ~4, ->2
    6     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.47 ms | 1384 KiB | 13 Q