3v4l.org

run code in 500+ PHP versions simultaneously
<?php for ($c = 'a'; $c <= 'z'; $c++) { echo "$c\n"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 2
Branch analysis from position: 8
Branch analysis from position: 2
filename:       /in/6qfcf
function name:  (null)
number of ops:  9
compiled vars:  !0 = $c
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'a'
          1      > JMP                                                          ->6
    4     2    >   NOP                                                          
          3        FAST_CONCAT                                          ~2      !0, '%0A'
          4        ECHO                                                         ~2
    3     5        PRE_INC                                                      !0
          6    >   IS_SMALLER_OR_EQUAL                                          !0, 'z'
          7      > JMPNZ                                                        ~4, ->2
    5     8    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
419.08 ms | 3626 KiB | 13 Q