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<?php $ip = gethostbyname ( 'www.example.com' ); $long = ip2long ( $ip ); if ( $long == - 1 || $long === FALSE ) { echo 'Invalid IP, please try again' ; } else { echo $ip . "\n" ; // 192.0.34.166 echo $long . "\n" ; // -1073732954 printf ( "%u\n" , ip2long ( $ip )); // 3221234342 }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/tF4he
function name:  (null)
number of ops:  27
compiled vars:  !0 = $ip, !1 = $long
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'gethostbyname'
          1        SEND_VAL                                                 'www.example.com'
          2        DO_ICALL                                         $2      
          3        ASSIGN                                                   !0, $2
    3     4        INIT_FCALL                                               'ip2long'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        ASSIGN                                                   !1, $4
    5     8        IS_EQUAL                                         ~6      !1, -1
          9      > JMPNZ_EX                                         ~6      ~6, ->12
         10    >   TYPE_CHECK                                    4  ~7      !1
         11        BOOL                                             ~6      ~7
         12    > > JMPZ                                                     ~6, ->15
    6    13    >   ECHO                                                     'Invalid+IP%2C+please+try+again'
         14      > JMP                                                      ->26
    8    15    >   CONCAT                                           ~8      !0, '%0A'
         16        ECHO                                                     ~8
    9    17        CONCAT                                           ~9      !1, '%0A'
         18        ECHO                                                     ~9
   10    19        INIT_FCALL                                               'printf'
         20        SEND_VAL                                                 '%25u%0A'
         21        INIT_FCALL                                               'ip2long'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $10     
         24        SEND_VAR                                                 $10
         25        DO_ICALL                                                 
   11    26    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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