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<?php $str = "20142311.235504"; preg_match('~^(?<year>\d{4})(?<day>\d{2})(?<month>\d{2}).(?<hour>\d{2})(?<minute>\d{2})(?<second>\d{2})$~', $str, $match); echo '<pre>', print_r($match);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FCSGt
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str, !1 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '20142311.235504'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%7E%5E%28%3F%3Cyear%3E%5Cd%7B4%7D%29%28%3F%3Cday%3E%5Cd%7B2%7D%29%28%3F%3Cmonth%3E%5Cd%7B2%7D%29.%28%3F%3Chour%3E%5Cd%7B2%7D%29%28%3F%3Cminute%3E%5Cd%7B2%7D%29%28%3F%3Csecond%3E%5Cd%7B2%7D%29%24%7E'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        ECHO                                                     '%3Cpre%3E'
          7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $4      
         10        ECHO                                                     $4
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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