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<?php var_dump((1<<61)+1); echo number_format((1<<61)+1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0IolN
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        SEND_VAL                                                     2305843009213693953
          2        DO_ICALL                                                     
    5     3        INIT_FCALL                                                   'number_format'
          4        SEND_VAL                                                     2305843009213693953
          5        DO_ICALL                                             $1      
          6        ECHO                                                         $1
          7      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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