3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; while( i<5 ){ echo "this is a test"; } ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 2
Branch analysis from position: 6
Branch analysis from position: 2
filename:       /in/4IWY9
function name:  (null)
number of ops:  7
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
    3     1      > JMP                                                      ->3
    4     2    >   ECHO                                                     'this+is+a+test'
    3     3    >   FETCH_CONSTANT                                   ~2      'i'
          4        IS_SMALLER                                               ~2, 5
          5      > JMPNZ                                                    ~3, ->2
    6     6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.11 ms | 1392 KiB | 13 Q