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<?php echo substr(time()."12312313123", 0, 10);;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nEA0i
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'substr'
          1        INIT_FCALL                                               'time'
          2        DO_ICALL                                         $0      
          3        CONCAT                                           ~1      $0, '12312313123'
          4        SEND_VAL                                                 ~1
          5        SEND_VAL                                                 0
          6        SEND_VAL                                                 10
          7        DO_ICALL                                         $2      
          8        ECHO                                                     $2
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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