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<?php var_dump(filter_var('2001:0db8:85a3:0042:1000:8a2e:0370:7334', FILTER_VALIDATE_IP));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cWMZi
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'filter_var'
          2        SEND_VAL                                                 '2001%3A0db8%3A85a3%3A0042%3A1000%3A8a2e%3A0370%3A7334'
          3        SEND_VAL                                                 275
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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