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<?php define('FOO', bin2hex(random_bytes(32))); class Bar { const BAZ = FOO; } class Qux extends Bar { const BAZ = 'lol'; } var_dump(Qux::BAZ);
based on KJkmQ
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ok7GI
function name:  (null)
number of ops:  14
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'define'
         1        SEND_VAL                                                 'FOO'
         2        INIT_FCALL                                               'bin2hex'
         3        INIT_FCALL                                               'random_bytes'
         4        SEND_VAL                                                 32
         5        DO_ICALL                                         $0      
         6        SEND_VAR                                                 $0
         7        DO_ICALL                                         $1      
         8        SEND_VAR                                                 $1
         9        DO_ICALL                                                 
  13    10        INIT_FCALL                                               'var_dump'
        11        SEND_VAL                                                 'lol'
        12        DO_ICALL                                                 
        13      > RETURN                                                   1

Class Bar: [no user functions]
Class Qux: [no user functions]

Generated using Vulcan Logic Dumper, using php 7.4.0