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<?php var_dump(filter_var(new GMP(1), FILTER_VALIDATE_INT, [ 'options' => ['default' => 9], ]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4Bl5M
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'filter_var'
          2        NEW                                              $0      'GMP'
          3        SEND_VAL_EX                                              1
          4        DO_FCALL                                      0          
          5        SEND_VAR                                                 $0
          6        SEND_VAL                                                 257
    3     7        SEND_VAL                                                 <array>
          8        DO_ICALL                                         $2      
          9        SEND_VAR                                                 $2
         10        DO_ICALL                                                 
    4    11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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