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<?php $LinkRegex = '/(?!(\d+\/\d+)\s*(\d{7,10})\s*)(?<Link>[0-9]{1,2}\/[0-9]{1,2}:?[0-9]?[0-9]?)/g'; preg_match_all($LinkRegex, "21/8 664922003 0 0 1 21/1:26,21/1:27,21/1:28", $LinkMatches); var_dump($LinkMatches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vXJSF
function name:  (null)
number of ops:  10
compiled vars:  !0 = $LinkRegex, !1 = $LinkMatches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2F%28%3F%21%28%5Cd%2B%5C%2F%5Cd%2B%29%5Cs%2A%28%5Cd%7B7%2C10%7D%29%5Cs%2A%29%28%3F%3CLink%3E%5B0-9%5D%7B1%2C2%7D%5C%2F%5B0-9%5D%7B1%2C2%7D%3A%3F%5B0-9%5D%3F%5B0-9%5D%3F%29%2Fg'
    5     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 '21%2F8+664922003+0+0+1+21%2F1%3A26%2C21%2F1%3A27%2C21%2F1%3A28'
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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