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<?php $text = '*/10 * * * *'; if(preg_match('/[^0-9\*\/]/', $text )) echo 'preg_match GOOD! <br/>'; else echo "preg_match BAD!<br/>";
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
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CRJC6
function name:  (null)
number of ops:  10
compiled vars:  !0 = $text
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2A%2F10+%2A+%2A+%2A+%2A'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5B%5E0-9%5C%2A%5C%2F%5D%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5      > JMPZ                                                     $2, ->8
          6    >   ECHO                                                     'preg_match+GOOD%21+%3Cbr%2F%3E'
          7      > JMP                                                      ->9
          8    >   ECHO                                                     'preg_match+BAD%21%3Cbr%2F%3E'
          9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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