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<?php if(preg_match('@^[0-9]{1,}_[0-9]{1,}_[a-f0-9]{40}\.@', '123_332323_1f12ff1f24f12f31f12ff1f24f12f31f12ff1f24.JPG')) { echo 'MATCH'; //$as->checkToken(); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/ZkQ9f
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%40%5E%5B0-9%5D%7B1%2C%7D_%5B0-9%5D%7B1%2C%7D_%5Ba-f0-9%5D%7B40%7D%5C.%40'
          2        SEND_VAL                                                 '123_332323_1f12ff1f24f12f31f12ff1f24f12f31f12ff1f24.JPG'
          3        DO_ICALL                                         $0      
          4      > JMPZ                                                     $0, ->6
    4     5    >   ECHO                                                     'MATCH'
    6     6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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