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<?php $n = 1234; var_dump($n >= 100 && $n <= 3000);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/Kvmv3
function name:  (null)
number of ops:  9
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 1234
    3     1        INIT_FCALL                                               'var_dump'
          2        IS_SMALLER_OR_EQUAL                              ~2      100, !0
          3      > JMPZ_EX                                          ~2      ~2, ->6
          4    >   IS_SMALLER_OR_EQUAL                              ~3      !0, 3000
          5        BOOL                                             ~2      ~3
          6    >   SEND_VAL                                                 ~2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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