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<?php $int = 123; if(!filter_var($int, FILTER_VALIDATE_INT)) { echo("Integer is not valid"); } else { echo("Integer is valid"); } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/P4P2Y
function name:  (null)
number of ops:  11
compiled vars:  !0 = $int
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 123
    4     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 257
          4        DO_ICALL                                         $2      
          5        BOOL_NOT                                         ~3      $2
          6      > JMPZ                                                     ~3, ->9
    5     7    >   ECHO                                                     'Integer+is+not+valid'
          8      > JMP                                                      ->10
    7     9    >   ECHO                                                     'Integer+is+valid'
    9    10    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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