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<?php function anonIp($ip) { if (strpos($ip, ".") !== false) { $pieces = explode(".", $ip); $nPieces = count($pieces); $pieces[$nPieces - 1] = $pieces[$nPieces - 2] = "XXX"; return implode(".", $pieces); } else { $pieces = explode(":", $ip); $nPieces = count($pieces); $pieces[$nPieces - 1] = $pieces[$nPieces - 2] = "XXXX"; return implode(":", $pieces); } } var_dump(anonIp("207.142.131.005")); var_dump(anonIp("2001:0db8:0000:08d3:0000:8a2e:0070:7344")); var_dump(anonIp("207.142.131.5")); var_dump(anonIp("2001:0db8::8d3::8a2e:7:7344")); var_dump(anonIp("::1")); var_dump(anonIp("127.0.0.1"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9toZ2
function name:  (null)
number of ops:  37
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'anonip'
          2        SEND_VAL                                                 '207.142.131.005'
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
   18     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'anonip'
          8        SEND_VAL                                                 '2001%3A0db8%3A0000%3A08d3%3A0000%3A8a2e%3A0070%3A7344'
          9        DO_FCALL                                      0  $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
   19    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'anonip'
         14        SEND_VAL                                                 '207.142.131.5'
         15        DO_FCALL                                      0  $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
   20    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'anonip'
         20        SEND_VAL                                                 '2001%3A0db8%3A%3A8d3%3A%3A8a2e%3A7%3A7344'
         21        DO_FCALL                                      0  $6      
         22        SEND_VAR                                                 $6
         23        DO_ICALL                                                 
   21    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL                                               'anonip'
         26        SEND_VAL                                                 '%3A%3A1'
         27        DO_FCALL                                      0  $8      
         28        SEND_VAR                                                 $8
         29        DO_ICALL                                                 
   22    30        INIT_FCALL                                               'var_dump'
         31        INIT_FCALL                                               'anonip'
         32        SEND_VAL                                                 '127.0.0.1'
         33        DO_FCALL                                      0  $10     
         34        SEND_VAR                                                 $10
         35        DO_ICALL                                                 
         36      > RETURN                                                   1

Function anonip:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 26
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9toZ2
function name:  anonIp
number of ops:  45
compiled vars:  !0 = $ip, !1 = $pieces, !2 = $nPieces
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 '.'
          4        DO_ICALL                                         $3      
          5        TYPE_CHECK                                  1018          $3
          6      > JMPZ                                                     ~4, ->26
    6     7    >   INIT_FCALL                                               'explode'
          8        SEND_VAL                                                 '.'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $5      
         11        ASSIGN                                                   !1, $5
    7    12        COUNT                                            ~7      !1
         13        ASSIGN                                                   !2, ~7
    8    14        SUB                                              ~9      !2, 1
         15        SUB                                              ~11     !2, 2
         16        ASSIGN_DIM                                       ~12     !1, ~11
         17        OP_DATA                                                  'XXX'
         18        ASSIGN_DIM                                               !1, ~9
         19        OP_DATA                                                  ~12
    9    20        INIT_FCALL                                               'implode'
         21        SEND_VAL                                                 '.'
         22        SEND_VAR                                                 !1
         23        DO_ICALL                                         $13     
         24      > RETURN                                                   $13
         25*       JMP                                                      ->44
   11    26    >   INIT_FCALL                                               'explode'
         27        SEND_VAL                                                 '%3A'
         28        SEND_VAR                                                 !0
         29        DO_ICALL                                         $14     
         30        ASSIGN                                                   !1, $14
   12    31        COUNT                                            ~16     !1
         32        ASSIGN                                                   !2, ~16
   13    33        SUB                                              ~18     !2, 1
         34        SUB                                              ~20     !2, 2
         35        ASSIGN_DIM                                       ~21     !1, ~20
         36        OP_DATA                                                  'XXXX'
         37        ASSIGN_DIM                                               !1, ~18
         38        OP_DATA                                                  ~21
   14    39        INIT_FCALL                                               'implode'
         40        SEND_VAL                                                 '%3A'
         41        SEND_VAR                                                 !1
         42        DO_ICALL                                         $22     
         43      > RETURN                                                   $22
   16    44*     > RETURN                                                   null

End of function anonip

Generated using Vulcan Logic Dumper, using php 8.0.0


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