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<?php $n = 1; while ($n < 6){ $sub = 'sub'.(string)$n; echo $sub; }
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/MWQUN
function name:  (null)
number of ops:  9
compiled vars:  !0 = $n, !1 = $sub
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 1
    3     1      > JMP                                                      ->6
    4     2    >   CAST                                          6  ~3      !0
          3        CONCAT                                           ~4      'sub', ~3
          4        ASSIGN                                                   !1, ~4
    5     5        ECHO                                                     !1
    3     6    >   IS_SMALLER                                               !0, 6
          7      > JMPNZ                                                    ~6, ->2
    6     8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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