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<?php $f = 'IMG_1474.PNG'; preg_match('/(.*)([.][^.]+$)/', $f, $match); echo preg_replace('/(.*)([.][^.]+$)/', '$1' . time() . '$2', $f); print_r($match);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VgDWJ
function name:  (null)
number of ops:  17
compiled vars:  !0 = $f, !1 = $match
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, 'IMG_1474.PNG'
    3     1        INIT_FCALL                                                   'preg_match'
          2        SEND_VAL                                                     '%2F%28.%2A%29%28%5B.%5D%5B%5E.%5D%2B%24%29%2F'
          3        SEND_VAR                                                     !0
          4        SEND_REF                                                     !1
          5        DO_ICALL                                                     
    4     6        INIT_FCALL                                                   'time'
          7        DO_ICALL                                             $4      
          8        CONCAT                                               ~5      '%241', $4
          9        CONCAT                                               ~6      ~5, '%242'
         10        FRAMELESS_ICALL_3                preg_replace        ~7      '%2F%28.%2A%29%28%5B.%5D%5B%5E.%5D%2B%24%29%2F', ~6
         11        OP_DATA                                                      !0
         12        ECHO                                                         ~7
    5    13        INIT_FCALL                                                   'print_r'
         14        SEND_VAR                                                     !1
         15        DO_ICALL                                                     
         16      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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