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<?php function isIPv6($ip) { return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6); } var_dump(isIPv6('127.0.0.1')); var_dump(isIPv6('127.0.0.1:8080')); var_dump(isIPv6('::1')); var_dump(isIPv6('::1:8080')); var_dump(isIPv6('[::1]:8080'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZG7qa
function name:  (null)
number of ops:  31
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'isipv6'
          2        SEND_VAL                                                 '127.0.0.1'
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    8     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'isipv6'
          8        SEND_VAL                                                 '127.0.0.1%3A8080'
          9        DO_FCALL                                      0  $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
    9    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'isipv6'
         14        SEND_VAL                                                 '%3A%3A1'
         15        DO_FCALL                                      0  $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
   10    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'isipv6'
         20        SEND_VAL                                                 '%3A%3A1%3A8080'
         21        DO_FCALL                                      0  $6      
         22        SEND_VAR                                                 $6
         23        DO_ICALL                                                 
   11    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL                                               'isipv6'
         26        SEND_VAL                                                 '%5B%3A%3A1%5D%3A8080'
         27        DO_FCALL                                      0  $8      
         28        SEND_VAR                                                 $8
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Function isipv6:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZG7qa
function name:  isIPv6
number of ops:  8
compiled vars:  !0 = $ip
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 275
          4        SEND_VAL                                                 2097152
          5        DO_ICALL                                         $1      
          6      > RETURN                                                   $1
    5     7*     > RETURN                                                   null

End of function isipv6

Generated using Vulcan Logic Dumper, using php 8.0.0


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