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<?php echo "0 : "; if (filter_var('0', FILTER_VALIDATE_INT)) { echo "OK\n"; } else { echo "Not OK\n"; } echo "1 : "; if (filter_var('1', FILTER_VALIDATE_INT)) { echo "OK\n"; } else { echo "Not OK\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
Branch analysis from position: 17
filename:       /in/IAvCF
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     '0+%3A+'
    3     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAL                                                 '0'
          3        SEND_VAL                                                 257
          4        DO_ICALL                                         $0      
          5      > JMPZ                                                     $0, ->8
    5     6    >   ECHO                                                     'OK%0A'
          7      > JMP                                                      ->9
    9     8    >   ECHO                                                     'Not+OK%0A'
   12     9    >   ECHO                                                     '1+%3A+'
   13    10        INIT_FCALL                                               'filter_var'
         11        SEND_VAL                                                 '1'
         12        SEND_VAL                                                 257
         13        DO_ICALL                                         $1      
         14      > JMPZ                                                     $1, ->17
   15    15    >   ECHO                                                     'OK%0A'
         16      > JMP                                                      ->18
   19    17    >   ECHO                                                     'Not+OK%0A'
   20    18    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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