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<?php $domains = [ 'a-.bc.com', 'a.bc-.com', 'a.bc.com-', ]; foreach ($domains as $domain) { echo $domain . PHP_EOL; var_dump(filter_var($domain, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)); echo PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 15
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/XbMCV
function name:  (null)
number of ops:  17
compiled vars:  !0 = $domains, !1 = $domain
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_R                                       $3      !0, ->15
          2    > > FE_FETCH_R                                               $3, !1, ->15
   10     3    >   CONCAT                                           ~4      !1, '%0A'
          4        ECHO                                                     ~4
   11     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'filter_var'
          7        SEND_VAR                                                 !1
          8        SEND_VAL                                                 277
          9        SEND_VAL                                                 1048576
         10        DO_ICALL                                         $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
   12    13        ECHO                                                     '%0A'
    9    14      > JMP                                                      ->2
         15    >   FE_FREE                                                  $3
   13    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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