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<?php define('debug_mode', false); var_dump(defined('debug_mode'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/k1n8U
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                                   'define'
          1        SEND_VAL                                                     'debug_mode'
          2        SEND_VAL                                                     <false>
          3        DO_ICALL                                                     
    3     4        INIT_FCALL                                                   'var_dump'
          5        DEFINED                                              ~1      'debug_mode'
          6        SEND_VAL                                                     ~1
          7        DO_ICALL                                                     
          8      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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