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<?php $UUID = "f9e113324bd449809b98b0925eac3141"; echo preg_replace('/(?:^[\da-f]{4})?[\da-f]{4}\K/', '-', $UUID, 4); echo "\n---\n"; vprintf('%s-%s-%s-%s-%s', sscanf($UUID, '%8s%4s%4s%4s%12s')); echo "\n---\n"; echo implode('-', sscanf($UUID, '%8s%4s%4s%4s%12s'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/f78rE
function name:  (null)
number of ops:  28
compiled vars:  !0 = $UUID
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'f9e113324bd449809b98b0925eac3141'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%28%3F%3A%5E%5B%5Cda-f%5D%7B4%7D%29%3F%5B%5Cda-f%5D%7B4%7D%5CK%2F'
          3        SEND_VAL                                                 '-'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 4
          6        DO_ICALL                                         $2      
          7        ECHO                                                     $2
    7     8        ECHO                                                     '%0A---%0A'
    9     9        INIT_FCALL                                               'vprintf'
         10        SEND_VAL                                                 '%25s-%25s-%25s-%25s-%25s'
         11        INIT_FCALL                                               'sscanf'
         12        SEND_VAR                                                 !0
         13        SEND_VAL                                                 '%258s%254s%254s%254s%2512s'
         14        DO_ICALL                                         $3      
         15        SEND_VAR                                                 $3
         16        DO_ICALL                                                 
   11    17        ECHO                                                     '%0A---%0A'
   13    18        INIT_FCALL                                               'implode'
         19        SEND_VAL                                                 '-'
         20        INIT_FCALL                                               'sscanf'
         21        SEND_VAR                                                 !0
         22        SEND_VAL                                                 '%258s%254s%254s%254s%2512s'
         23        DO_ICALL                                         $5      
         24        SEND_VAR                                                 $5
         25        DO_ICALL                                         $6      
         26        ECHO                                                     $6
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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