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<?php $filename = '868204009700450_config.txt'; $pattern = '/^[0-9]{15}.+$/'; preg_match($pattern, $filename, $matches); print_r($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Nq2kZ
function name:  (null)
number of ops:  11
compiled vars:  !0 = $filename, !1 = $pattern, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '868204009700450_config.txt'
    4     1        ASSIGN                                                   !1, '%2F%5E%5B0-9%5D%7B15%7D.%2B%24%2F'
    6     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    8     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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