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<?php // Everything you enter here will be executed by our servers. Try it! if(preg_match("/^[0-9]+$/", '123')){ echo 'true'; } else{ echo 'false'; } if(preg_match("/^[0-9]+$/", '123.0')){ echo 'true'; } else{ echo 'false'; } if(preg_match("/^[0-9]+$/", '123,0')){ echo 'true'; } else{ echo 'false'; } if(preg_match("/^[0-9]+$/", '123aab0')){ echo 'true'; } else{ echo 'false'; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 23
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 31
Branch analysis from position: 29
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 31
Branch analysis from position: 29
Branch analysis from position: 31
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 23
Branch analysis from position: 21
Branch analysis from position: 23
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
Branch analysis from position: 15
filename:       /in/QHtQ9
function name:  (null)
number of ops:  33
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%5B0-9%5D%2B%24%2F'
          2        SEND_VAL                                                 '123'
          3        DO_ICALL                                         $0      
          4      > JMPZ                                                     $0, ->7
    5     5    >   ECHO                                                     'true'
          6      > JMP                                                      ->8
    8     7    >   ECHO                                                     'false'
   11     8    >   INIT_FCALL                                               'preg_match'
          9        SEND_VAL                                                 '%2F%5E%5B0-9%5D%2B%24%2F'
         10        SEND_VAL                                                 '123.0'
         11        DO_ICALL                                         $1      
         12      > JMPZ                                                     $1, ->15
   12    13    >   ECHO                                                     'true'
         14      > JMP                                                      ->16
   15    15    >   ECHO                                                     'false'
   18    16    >   INIT_FCALL                                               'preg_match'
         17        SEND_VAL                                                 '%2F%5E%5B0-9%5D%2B%24%2F'
         18        SEND_VAL                                                 '123%2C0'
         19        DO_ICALL                                         $2      
         20      > JMPZ                                                     $2, ->23
   19    21    >   ECHO                                                     'true'
         22      > JMP                                                      ->24
   22    23    >   ECHO                                                     'false'
   25    24    >   INIT_FCALL                                               'preg_match'
         25        SEND_VAL                                                 '%2F%5E%5B0-9%5D%2B%24%2F'
         26        SEND_VAL                                                 '123aab0'
         27        DO_ICALL                                         $3      
         28      > JMPZ                                                     $3, ->31
   26    29    >   ECHO                                                     'true'
         30      > JMP                                                      ->32
   29    31    >   ECHO                                                     'false'
   32    32    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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