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<?php define ('X', 5); define ('X', 6);
Finding entry points
Branch analysis from position: 0
Jump found. (Code = 62) Position 1 = -2
filename:       /in/11aEH
function name:  (null)
number of ops:  9
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'define'
         1        SEND_VAL                                                 'X'
         2        SEND_VAL                                                 5
         3        DO_ICALL                                                 
   7     4        INIT_FCALL                                               'define'
         5        SEND_VAL                                                 'X'
         6        SEND_VAL                                                 6
         7        DO_ICALL                                                 
         8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0